June 17, 2026
Nitrates in Iowa Drinking Water 2026
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Nitrates in Iowa Drinking Water 2026
Nitrates contamination has been detected in drinking water systems across Iowa. High nitrate levels cause methemoglobinemia (blue baby syndrome) in infants. EPA MCL is 10 mg/L. Our analysis of Iowa water quality reports found Nitrates present in 699 cities and water systems statewide. If you live in one of these communities, a certified home filter can significantly reduce your exposure -- browse Nitrates filters at PureWaterGuys.
Cities in Iowa with Nitrates Detected
The following 699 water systems in Iowa reported Nitrates in their annual water quality reports. Click any city to read the full report.
| City / Water System | Water Quality Report |
|---|---|
| Ackworth Ia Water Quality Report 2026 | View Report |
| Adair Ia Water Quality Report 2026 | View Report |
| Adel Ia Water Quality Report 2026 | View Report |
| Afton Ia Water Quality Report 2026 | View Report |
| Agency Ia Water Quality Report 2026 | View Report |
| Ainsworth Ia Water Quality Report 2026 | View Report |
| Akron Ia Water Quality Report 2026 | View Report |
| Albia Ia Water Quality Report 2026 | View Report |
| Albion Ia Water Quality Report 2026 | View Report |
| Alburnett Ia Water Quality Report 2026 | View Report |
| Alden Ia Water Quality Report 2026 | View Report |
| Algona Ia Water Quality Report 2026 | View Report |
| Alleman Ia Water Quality Report 2026 | View Report |
| Allerton Ia Water Quality Report 2026 | View Report |
| Allison Ia Water Quality Report 2026 | View Report |
| Alta Ia Water Quality Report 2026 | View Report |
| Alta Vista Ia Water Quality Report 2026 | View Report |
| Alton Ia Water Quality Report 2026 | View Report |
| Altoona Ia Water Quality Report 2026 | View Report |
| Alvord Ia Water Quality Report 2026 | View Report |
| Amana Ia Water Quality Report 2026 | View Report |
| Ames Ia Water Quality Report 2026 | View Report |
| Anamosa Ia Water Quality Report 2026 | View Report |
| Anita Ia Water Quality Report 2026 | View Report |
| Ankeny Ia Water Quality Report 2026 | View Report |
| Anthon Ia Water Quality Report 2026 | View Report |
| Anytown Ia Water Quality Report 2026 | View Report |
| Aplington Ia Water Quality Report 2026 | View Report |
| Arcadia Ia Water Quality Report 2026 | View Report |
| Argyle Ia Water Quality Report 2026 | View Report |
| Arion Ia Water Quality Report 2026 | View Report |
| Arispe Ia Water Quality Report 2026 | View Report |
| Arlington Ia Water Quality Report 2026 | View Report |
| Arnolds Park Ia Water Quality Report 2026 | View Report |
| Asbury Ia Water Quality Report 2026 | View Report |
| Ashton Ia Water Quality Report 2026 | View Report |
| Atkins Ia Water Quality Report 2026 | View Report |
| Atlantic Ia Water Quality Report 2026 | View Report |
| Auburn Ia Water Quality Report 2026 | View Report |
| Audubon Ia Water Quality Report 2026 | View Report |
| Aurelia Ia Water Quality Report 2026 | View Report |
| Avoca Ia Water Quality Report 2026 | View Report |
| Badger Ia Water Quality Report 2026 | View Report |
| Bagley Ia Water Quality Report 2026 | View Report |
| Bancroft Ia Water Quality Report 2026 | View Report |
| Barnes City Ia Water Quality Report 2026 | View Report |
| Batavia Ia Water Quality Report 2026 | View Report |
| Battle Creek Ia Water Quality Report 2026 | View Report |
| Baxter Ia Water Quality Report 2026 | View Report |
| Beaman Ia Water Quality Report 2026 | View Report |
| Bedford Ia Water Quality Report 2026 | View Report |
| Bellevue Ia Water Quality Report 2026 | View Report |
| Belmond Ia Water Quality Report 2026 | View Report |
| Belview Ia Water Quality Report 2026 | View Report |
| Bernard Ia Water Quality Report 2026 | View Report |
| Bertram Ia Water Quality Report 2026 | View Report |
| Berwick Ia Water Quality Report 2026 | View Report |
| Bettendorf Ia Water Quality Report 2026 | View Report |
| Birmingham Ia Water Quality Report 2026 | View Report |
| Blaine Ia Water Quality Report 2026 | View Report |
| Blairstown Ia Water Quality Report 2026 | View Report |
| Blakesburg Ia Water Quality Report 2026 | View Report |
| Blanchard Ia Water Quality Report 2026 | View Report |
| Blencoe Ia Water Quality Report 2026 | View Report |
| Blockton Ia Water Quality Report 2026 | View Report |
| Bloomfield Ia Water Quality Report 2026 | View Report |
| Blue Grass Ia Water Quality Report 2026 | View Report |
| Boca Raton Ia Water Quality Report 2026 | View Report |
| Bode Ia Water Quality Report 2026 | View Report |
| Bondurant Ia Water Quality Report 2026 | View Report |
| Boone Ia Water Quality Report 2026 | View Report |
| Bouton Ia Water Quality Report 2026 | View Report |
| Boxholm Ia Water Quality Report 2026 | View Report |
| Boyden Ia Water Quality Report 2026 | View Report |
| Braddyville Ia Water Quality Report 2026 | View Report |
| Brandon Ia Water Quality Report 2026 | View Report |
| Brayton Ia Water Quality Report 2026 | View Report |
| Breda Ia Water Quality Report 2026 | View Report |
| Bridgewater Ia Water Quality Report 2026 | View Report |
| Brighton Ia Water Quality Report 2026 | View Report |
| Bristow Ia Water Quality Report 2026 | View Report |
| Britt Ia Water Quality Report 2026 | View Report |
| Bronson Ia Water Quality Report 2026 | View Report |
| Brooklyn Ia Water Quality Report 2026 | View Report |
| Buckingham Ia Water Quality Report 2026 | View Report |
| Buffalo Ia Water Quality Report 2026 | View Report |
| Burlington Ia Water Quality Report 2026 | View Report |
| Burt Ia Water Quality Report 2026 | View Report |
| Calamus Ia Water Quality Report 2026 | View Report |
| Calmar Ia Water Quality Report 2026 | View Report |
| Camanche Ia Water Quality Report 2026 | View Report |
| Cambridge Ia Water Quality Report 2026 | View Report |
| Cantril Ia Water Quality Report 2026 | View Report |
| Carbon Ia Water Quality Report 2026 | View Report |
| Carlisle Ia Water Quality Report 2026 | View Report |
| Carroll Ia Water Quality Report 2026 | View Report |
| Carson Ia Water Quality Report 2026 | View Report |
| Carter Lake Ia Water Quality Report 2026 | View Report |
| Cascade Ia Water Quality Report 2026 | View Report |
| Cascasde Ia Water Quality Report 2026 | View Report |
| Casey Ia Water Quality Report 2026 | View Report |
| Castana Ia Water Quality Report 2026 | View Report |
| Cedar Falls Ia Water Quality Report 2026 | View Report |
| Cedar Rapids Ia Water Quality Report 2026 | View Report |
| Center Point Ia Water Quality Report 2026 | View Report |
| Centerville Ia Water Quality Report 2026 | View Report |
| Centrak City Ia Water Quality Report 2026 | View Report |
| Central City Ia Water Quality Report 2026 | View Report |
| Chariton Ia Water Quality Report 2026 | View Report |
| Charles City Ia Water Quality Report 2026 | View Report |
| Charter Oak Ia Water Quality Report 2026 | View Report |
| Chelsea Ia Water Quality Report 2026 | View Report |
| Cherokee Ia Water Quality Report 2026 | View Report |
| Churdan Ia Water Quality Report 2026 | View Report |
| Cincinnati Ia Water Quality Report 2026 | View Report |
| Clarinda Ia Water Quality Report 2026 | View Report |
| Clarion Ia Water Quality Report 2026 | View Report |
| Clayton Ia Water Quality Report 2026 | View Report |
| Clear Lake Ia Water Quality Report 2026 | View Report |
| Clearfield Ia Water Quality Report 2026 | View Report |
| Clemons Ia Water Quality Report 2026 | View Report |
| Clermont Ia Water Quality Report 2026 | View Report |
| Clinton Ia Water Quality Report 2026 | View Report |
| Clio Ia Water Quality Report 2026 | View Report |
| Clive Ia Water Quality Report 2026 | View Report |
| Clutier Ia Water Quality Report 2026 | View Report |
| Coggon Ia Water Quality Report 2026 | View Report |
| Colesburg Ia Water Quality Report 2026 | View Report |
| Colfax Ia Water Quality Report 2026 | View Report |
| Collins Ia Water Quality Report 2026 | View Report |
| Colo Ia Water Quality Report 2026 | View Report |
| Columbus Jct Ia Water Quality Report 2026 | View Report |
| Columbus Junction Ia Water Quality Report 2026 | View Report |
| Conrad Ia Water Quality Report 2026 | View Report |
| Conway Ia Water Quality Report 2026 | View Report |
| Coon Rapids Ia Water Quality Report 2026 | View Report |
| Coppell Ia Water Quality Report 2026 | View Report |
| Coralville Ia Water Quality Report 2026 | View Report |
| Corning Ia Water Quality Report 2026 | View Report |
| Correctionville Ia Water Quality Report 2026 | View Report |
| Corwith Ia Water Quality Report 2026 | View Report |
| Corydon Ia Water Quality Report 2026 | View Report |
| Coulter Ia Water Quality Report 2026 | View Report |
| Council Bluffs Ia Water Quality Report 2026 | View Report |
| Craig Ia Water Quality Report 2026 | View Report |
| Crawfordsville Ia Water Quality Report 2026 | View Report |
| Cresco Ia Water Quality Report 2026 | View Report |
| Creston Ia Water Quality Report 2026 | View Report |
| Cylinder Ia Water Quality Report 2026 | View Report |
| Dakota City Ia Water Quality Report 2026 | View Report |
| Dallas Center Ia Water Quality Report 2026 | View Report |
| Dallas Ia Water Quality Report 2026 | View Report |
| Dana Ia Water Quality Report 2026 | View Report |
| Danbury Ia Water Quality Report 2026 | View Report |
| Dawson Ia Water Quality Report 2026 | View Report |
| Dayton Ia Water Quality Report 2026 | View Report |
| De Soto Ia Water Quality Report 2026 | View Report |
| De Witt Ia Water Quality Report 2026 | View Report |
| Decorah Ia Water Quality Report 2026 | View Report |
| Dedham Ia Water Quality Report 2026 | View Report |
| Deep River Ia Water Quality Report 2026 | View Report |
| Defiance Ia Water Quality Report 2026 | View Report |
| Delhi Ia Water Quality Report 2026 | View Report |
| Deloit Ia Water Quality Report 2026 | View Report |
| Denison Ia Water Quality Report 2026 | View Report |
| Denmark Ia Water Quality Report 2026 | View Report |
| Denver Ia Water Quality Report 2026 | View Report |
| Derby Ia Water Quality Report 2026 | View Report |
| Des Moines Ia Water Quality Report 2026 | View Report |
| Dewitt Ia Water Quality Report 2026 | View Report |
| Dexter Ia Water Quality Report 2026 | View Report |
| Diagonal Ia Water Quality Report 2026 | View Report |
| Dike Ia Water Quality Report 2026 | View Report |
| Donahue Ia Water Quality Report 2026 | View Report |
| Donnellson Ia Water Quality Report 2026 | View Report |
| Doon Ia Water Quality Report 2026 | View Report |
| Douds Ia Water Quality Report 2026 | View Report |
| Dow City Ia Water Quality Report 2026 | View Report |
| Dows Ia Water Quality Report 2026 | View Report |
| Drakesville Ia Water Quality Report 2026 | View Report |
| Dubuque Ia Water Quality Report 2026 | View Report |
| Dunkerton Ia Water Quality Report 2026 | View Report |
| Dunlap Ia Water Quality Report 2026 | View Report |
| Durango Ia Water Quality Report 2026 | View Report |
| Durant Ia Water Quality Report 2026 | View Report |
| Dyersville Ia Water Quality Report 2026 | View Report |
| Dysart Ia Water Quality Report 2026 | View Report |
| Eagle Grove Ia Water Quality Report 2026 | View Report |
| Earlham Ia Water Quality Report 2026 | View Report |
| Earling Ia Water Quality Report 2026 | View Report |
| Earlville Ia Water Quality Report 2026 | View Report |
| Early Ia Water Quality Report 2026 | View Report |
| East Peru Ia Water Quality Report 2026 | View Report |
| Eddyville Ia Water Quality Report 2026 | View Report |
| Edgewood Ia Water Quality Report 2026 | View Report |
| Eldridge Ia Water Quality Report 2026 | View Report |
| Elgin Ia Water Quality Report 2026 | View Report |
| Elk Horn Ia Water Quality Report 2026 | View Report |
| Elk Run Heights Ia Water Quality Report 2026 | View Report |
| Elkader Ia Water Quality Report 2026 | View Report |
| Elliott Ia Water Quality Report 2026 | View Report |
| Ellston Ia Water Quality Report 2026 | View Report |
| Ellsworth Ia Water Quality Report 2026 | View Report |
| Elma Ia Water Quality Report 2026 | View Report |
| Ely Ia Water Quality Report 2026 | View Report |
| Emerson Ia Water Quality Report 2026 | View Report |
| Emmetsburg Ia Water Quality Report 2026 | View Report |
| Epworth Ia Water Quality Report 2026 | View Report |
| Essex Ia Water Quality Report 2026 | View Report |
| Estherville Ia Water Quality Report 2026 | View Report |
| Evansdale Ia Water Quality Report 2026 | View Report |
| Everly Ia Water Quality Report 2026 | View Report |
| Exira Ia Water Quality Report 2026 | View Report |
| Fairbank Ia Water Quality Report 2026 | View Report |
| Fairfax Ia Water Quality Report 2026 | View Report |
| Fairfield Ia Water Quality Report 2026 | View Report |
| Farley Ia Water Quality Report 2026 | View Report |
| Farmington Ia Water Quality Report 2026 | View Report |
| Farragut Ia Water Quality Report 2026 | View Report |
| Fayette Ia Water Quality Report 2026 | View Report |
| Fenton Ia Water Quality Report 2026 | View Report |
| Fertile Ia Water Quality Report 2026 | View Report |
| Floyd Ia Water Quality Report 2026 | View Report |
| Fonda Ia Water Quality Report 2026 | View Report |
| Fontanelle Ia Water Quality Report 2026 | View Report |
| Forest City Ia Water Quality Report 2026 | View Report |
| Fort Atkinson Ia Water Quality Report 2026 | View Report |
| Fort Dodge Ia Water Quality Report 2026 | View Report |
| Fort Madison Ia Water Quality Report 2026 | View Report |
| Fredericksburg Ia Water Quality Report 2026 | View Report |
| Ft Dodge Ia Water Quality Report 2026 | View Report |
| Gainesville Ia Water Quality Report 2026 | View Report |
| Galesburg Ia Water Quality Report 2026 | View Report |
| Galt Ia Water Quality Report 2026 | View Report |
| Galva Ia Water Quality Report 2026 | View Report |
| Garden City Ia Water Quality Report 2026 | View Report |
| Garnavillo Ia Water Quality Report 2026 | View Report |
| Garner Ia Water Quality Report 2026 | View Report |
| Garwin Ia Water Quality Report 2026 | View Report |
| Geneva Ia Water Quality Report 2026 | View Report |
| George Ia Water Quality Report 2026 | View Report |
| Gibson Ia Water Quality Report 2026 | View Report |
| Gilbert Ia Water Quality Report 2026 | View Report |
| Gilbertville Ia Water Quality Report 2026 | View Report |
| Gillett Grove Ia Water Quality Report 2026 | View Report |
| Gilmore City Ia Water Quality Report 2026 | View Report |
| Gladbrook Ia Water Quality Report 2026 | View Report |
| Glenwood Ia Water Quality Report 2026 | View Report |
| Glidden Ia Water Quality Report 2026 | View Report |
| Goldfield Ia Water Quality Report 2026 | View Report |
| Goodell Ia Water Quality Report 2026 | View Report |
| Goose Lake Ia Water Quality Report 2026 | View Report |
| Gowrie Ia Water Quality Report 2026 | View Report |
| Graettinger Ia Water Quality Report 2026 | View Report |
| Grafton Ia Water Quality Report 2026 | View Report |
| Grand Junction Ia Water Quality Report 2026 | View Report |
| Grand Mound Ia Water Quality Report 2026 | View Report |
| Grandview Ia Water Quality Report 2026 | View Report |
| Granger Ia Water Quality Report 2026 | View Report |
| Granville Ia Water Quality Report 2026 | View Report |
| Gravity Ia Water Quality Report 2026 | View Report |
| Gray Ia Water Quality Report 2026 | View Report |
| Greeley Ia Water Quality Report 2026 | View Report |
| Greene Ia Water Quality Report 2026 | View Report |
| Greenfield Ia Water Quality Report 2026 | View Report |
| Grimes Ia Water Quality Report 2026 | View Report |
| Grinnell Ia Water Quality Report 2026 | View Report |
| Griswold Ia Water Quality Report 2026 | View Report |
| Grundy Center Ia Water Quality Report 2026 | View Report |
| Gruver Ia Water Quality Report 2026 | View Report |
| Guthrie Center Ia Water Quality Report 2026 | View Report |
| Guttenberg Ia Water Quality Report 2026 | View Report |
| Halbur Ia Water Quality Report 2026 | View Report |
| Hamburg Ia Water Quality Report 2026 | View Report |
| Hamilton Ia Water Quality Report 2026 | View Report |
| Hampton Ia Water Quality Report 2026 | View Report |
| Hancock Ia Water Quality Report 2026 | View Report |
| Hanlontown Ia Water Quality Report 2026 | View Report |
| Harlan Ia Water Quality Report 2026 | View Report |
| Harpers Ferry Ia Water Quality Report 2026 | View Report |
| Hartford Ia Water Quality Report 2026 | View Report |
| Hartley Ia Water Quality Report 2026 | View Report |
| Harvey Ia Water Quality Report 2026 | View Report |
| Hawarden Ia Water Quality Report 2026 | View Report |
| Hawkeye Ia Water Quality Report 2026 | View Report |
| Hazleton Ia Water Quality Report 2026 | View Report |
| Hedrick Ia Water Quality Report 2026 | View Report |
| Hiawatha Ia Water Quality Report 2026 | View Report |
| Hills Ia Water Quality Report 2026 | View Report |
| Hinton Ia Water Quality Report 2026 | View Report |
| Holland Ia Water Quality Report 2026 | View Report |
| Holstein Ia Water Quality Report 2026 | View Report |
| Holy Cross Ia Water Quality Report 2026 | View Report |
| Hopkinton Ia Water Quality Report 2026 | View Report |
| Hornick Ia Water Quality Report 2026 | View Report |
| Hospers Ia Water Quality Report 2026 | View Report |
| Hubbard Ia Water Quality Report 2026 | View Report |
| Hudson Ia Water Quality Report 2026 | View Report |
| Hull Ia Water Quality Report 2026 | View Report |
| Humboldt Ia Water Quality Report 2026 | View Report |
| Humeston Ia Water Quality Report 2026 | View Report |
| Huxley Ia Water Quality Report 2026 | View Report |
| Ida Grove Ia Water Quality Report 2026 | View Report |
| Imogene Ia Water Quality Report 2026 | View Report |
| Independence Ia Water Quality Report 2026 | View Report |
| Indianola Ia Water Quality Report 2026 | View Report |
| Inwood Ia Water Quality Report 2026 | View Report |
| Iowa City Ia Water Quality Report 2026 | View Report |
| Iowa Falls Ia Water Quality Report 2026 | View Report |
| Ireton Ia Water Quality Report 2026 | View Report |
| Irwin Ia Water Quality Report 2026 | View Report |
| Jamaica Ia Water Quality Report 2026 | View Report |
| Janesville Ia Water Quality Report 2026 | View Report |
| Jefferson Ia Water Quality Report 2026 | View Report |
| Jesup Ia Water Quality Report 2026 | View Report |
| Johnston Ia Water Quality Report 2026 | View Report |
| Kalona Ia Water Quality Report 2026 | View Report |
| Kanawha Ia Water Quality Report 2026 | View Report |
| Kansas City Ia Water Quality Report 2026 | View Report |
| Kellogg Ia Water Quality Report 2026 | View Report |
| Kensett Ia Water Quality Report 2026 | View Report |
| Keokuk Ia Water Quality Report 2026 | View Report |
| Keosauqua Ia Water Quality Report 2026 | View Report |
| Keota Ia Water Quality Report 2026 | View Report |
| Keystone Ia Water Quality Report 2026 | View Report |
| Kimballton Ia Water Quality Report 2026 | View Report |
| Kingsley Ia Water Quality Report 2026 | View Report |
| Kirkman Ia Water Quality Report 2026 | View Report |
| Kiron Ia Water Quality Report 2026 | View Report |
| Klemme Ia Water Quality Report 2026 | View Report |
| Knoxville Ia Water Quality Report 2026 | View Report |
| Lacona Ia Water Quality Report 2026 | View Report |
| Lake City Ia Water Quality Report 2026 | View Report |
| Lake Mills Ia Water Quality Report 2026 | View Report |
| Lake Park Ia Water Quality Report 2026 | View Report |
| Lake View Ia Water Quality Report 2026 | View Report |
| Lakeside Ia Water Quality Report 2026 | View Report |
| Lamoni Ia Water Quality Report 2026 | View Report |
| Lamont Ia Water Quality Report 2026 | View Report |
| Lansing Ia Water Quality Report 2026 | View Report |
| Laporte City Ia Water Quality Report 2026 | View Report |
| Larchwood Ia Water Quality Report 2026 | View Report |
| Laurel Ia Water Quality Report 2026 | View Report |
| Laurens Ia Water Quality Report 2026 | View Report |
| Lawler Ia Water Quality Report 2026 | View Report |
| Lawton Ia Water Quality Report 2026 | View Report |
| Le Claire Ia Water Quality Report 2026 | View Report |
| Leclaire Ia Water Quality Report 2026 | View Report |
| Legrand Ia Water Quality Report 2026 | View Report |
| Leighton Ia Water Quality Report 2026 | View Report |
| Leland Ia Water Quality Report 2026 | View Report |
| Lemars Ia Water Quality Report 2026 | View Report |
| Lenox Ia Water Quality Report 2026 | View Report |
| Leon Ia Water Quality Report 2026 | View Report |
| Lester Ia Water Quality Report 2026 | View Report |
| Lewis Ia Water Quality Report 2026 | View Report |
| Lidderdale Ia Water Quality Report 2026 | View Report |
| Lincoln Ia Water Quality Report 2026 | View Report |
| Linden Ia Water Quality Report 2026 | View Report |
| Lineville Ia Water Quality Report 2026 | View Report |
| Linn Grove Ia Water Quality Report 2026 | View Report |
| Lisbon Ia Water Quality Report 2026 | View Report |
| Little Rock Ia Water Quality Report 2026 | View Report |
| Little Sioux Ia Water Quality Report 2026 | View Report |
| Livermore Ia Water Quality Report 2026 | View Report |
| Logan Ia Water Quality Report 2026 | View Report |
| Long Grove Ia Water Quality Report 2026 | View Report |
| Lorimor Ia Water Quality Report 2026 | View Report |
| Los Angeles Ia Water Quality Report 2026 | View Report |
| Lost Nation Ia Water Quality Report 2026 | View Report |
| Lovilia Ia Water Quality Report 2026 | View Report |
| Lowden Ia Water Quality Report 2026 | View Report |
| Lu Verne Ia Water Quality Report 2026 | View Report |
| Luana Ia Water Quality Report 2026 | View Report |
| Lucas Ia Water Quality Report 2026 | View Report |
| Luther Ia Water Quality Report 2026 | View Report |
| Luxemberg Ia Water Quality Report 2026 | View Report |
| Luxemburg Ia Water Quality Report 2026 | View Report |
| Lynnville Ia Water Quality Report 2026 | View Report |
| Lytton Ia Water Quality Report 2026 | View Report |
| Macedonia Ia Water Quality Report 2026 | View Report |
| Madrid Ia Water Quality Report 2026 | View Report |
| Magnolia Ia Water Quality Report 2026 | View Report |
| Maharishi Vedic City Ia Water Quality Report 2026 | View Report |
| Malcom Ia Water Quality Report 2026 | View Report |
| Mallard Ia Water Quality Report 2026 | View Report |
| Malvern Ia Water Quality Report 2026 | View Report |
| Manchester Ia Water Quality Report 2026 | View Report |
| Manilla Ia Water Quality Report 2026 | View Report |
| Manly Ia Water Quality Report 2026 | View Report |
| Manning Ia Water Quality Report 2026 | View Report |
| Manson Ia Water Quality Report 2026 | View Report |
| Mapleton Ia Water Quality Report 2026 | View Report |
| Maquoketa Ia Water Quality Report 2026 | View Report |
| Marathon Ia Water Quality Report 2026 | View Report |
| Marble Rock Ia Water Quality Report 2026 | View Report |
| Marcus Ia Water Quality Report 2026 | View Report |
| Marengo Ia Water Quality Report 2026 | View Report |
| Marion Ia Water Quality Report 2026 | View Report |
| Marne Ia Water Quality Report 2026 | View Report |
| Marquette Ia Water Quality Report 2026 | View Report |
| Martensdale Ia Water Quality Report 2026 | View Report |
| Mason City Ia Water Quality Report 2026 | View Report |
| Massena Ia Water Quality Report 2026 | View Report |
| Matlock Ia Water Quality Report 2026 | View Report |
| Maurice Ia Water Quality Report 2026 | View Report |
| Maxwell Ia Water Quality Report 2026 | View Report |
| May City Ia Water Quality Report 2026 | View Report |
| Mcclelland Ia Water Quality Report 2026 | View Report |
| Mcgregor Ia Water Quality Report 2026 | View Report |
| Mechanicsville Ia Water Quality Report 2026 | View Report |
| Mediapolis Ia Water Quality Report 2026 | View Report |
| Melbourne Ia Water Quality Report 2026 | View Report |
| Melcher Dallas Ia Water Quality Report 2026 | View Report |
| Melrose Ia Water Quality Report 2026 | View Report |
| Menlo Ia Water Quality Report 2026 | View Report |
| Merrill Ia Water Quality Report 2026 | View Report |
| Middletown Ia Water Quality Report 2026 | View Report |
| Miles Ia Water Quality Report 2026 | View Report |
| Milford Ia Water Quality Report 2026 | View Report |
| Millersburg Ia Water Quality Report 2026 | View Report |
| Milo Ia Water Quality Report 2026 | View Report |
| Milton Ia Water Quality Report 2026 | View Report |
| Minden Ia Water Quality Report 2026 | View Report |
| Missouri Valley Ia Water Quality Report 2026 | View Report |
| Mitchellville Ia Water Quality Report 2026 | View Report |
| Monmouth Ia Water Quality Report 2026 | View Report |
| Monona Ia Water Quality Report 2026 | View Report |
| Monroe Ia Water Quality Report 2026 | View Report |
| Montezuma Ia Water Quality Report 2026 | View Report |
| Monticello Ia Water Quality Report 2026 | View Report |
| Montour Ia Water Quality Report 2026 | View Report |
| Montrose Ia Water Quality Report 2026 | View Report |
| Moorhead Ia Water Quality Report 2026 | View Report |
| Moravia Ia Water Quality Report 2026 | View Report |
| Moulton Ia Water Quality Report 2026 | View Report |
| Mount Ayr Ia Water Quality Report 2026 | View Report |
| Mount Carmel Ia Water Quality Report 2026 | View Report |
| Mount Pleasant Ia Water Quality Report 2026 | View Report |
| Mount Vernon Ia Water Quality Report 2026 | View Report |
| Moville Ia Water Quality Report 2026 | View Report |
| Murray Ia Water Quality Report 2026 | View Report |
| Muscatine Ia Water Quality Report 2026 | View Report |
| Mystic Ia Water Quality Report 2026 | View Report |
| Nashua Ia Water Quality Report 2026 | View Report |
| Neola Ia Water Quality Report 2026 | View Report |
| Nevada Ia Water Quality Report 2026 | View Report |
| New Albin Ia Water Quality Report 2026 | View Report |
| New Hampton Ia Water Quality Report 2026 | View Report |
| New Hartford Ia Water Quality Report 2026 | View Report |
| New London Ia Water Quality Report 2026 | View Report |
| New Providence Ia Water Quality Report 2026 | View Report |
| New Vienna Ia Water Quality Report 2026 | View Report |
| New Virginia Ia Water Quality Report 2026 | View Report |
| Newell Ia Water Quality Report 2026 | View Report |
| Newton Ia Water Quality Report 2026 | View Report |
| Nodaway Ia Water Quality Report 2026 | View Report |
| North English Ia Water Quality Report 2026 | View Report |
| North Liberty Ia Water Quality Report 2026 | View Report |
| Northwood Ia Water Quality Report 2026 | View Report |
| Norway Ia Water Quality Report 2026 | View Report |
| Oakdale Ia Water Quality Report 2026 | View Report |
| Oakland Acres Ia Water Quality Report 2026 | View Report |
| Oakland Ia Water Quality Report 2026 | View Report |
| Oakville Ia Water Quality Report 2026 | View Report |
| Ocheyedan Ia Water Quality Report 2026 | View Report |
| Odebolt Ia Water Quality Report 2026 | View Report |
| Oelwein Ia Water Quality Report 2026 | View Report |
| Ogden Ia Water Quality Report 2026 | View Report |
| Okoboji Ia Water Quality Report 2026 | View Report |
| Olds Ia Water Quality Report 2026 | View Report |
| Omaha Ia Water Quality Report 2026 | View Report |
| Onawa Ia Water Quality Report 2026 | View Report |
| Orange City Ia Water Quality Report 2026 | View Report |
| Orem Ia Water Quality Report 2026 | View Report |
| Orient Ia Water Quality Report 2026 | View Report |
| Osage Ia Water Quality Report 2026 | View Report |
| Osceola Ia Water Quality Report 2026 | View Report |
| Oskaloosa Ia Water Quality Report 2026 | View Report |
| Ossian Ia Water Quality Report 2026 | View Report |
| Otho Ia Water Quality Report 2026 | View Report |
| Oto Ia Water Quality Report 2026 | View Report |
| Ottumwa Ia Water Quality Report 2026 | View Report |
| Oviedo Ia Water Quality Report 2026 | View Report |
| Oxford Ia Water Quality Report 2026 | View Report |
| Oxford Junction Ia Water Quality Report 2026 | View Report |
| Pacific Junction Ia Water Quality Report 2026 | View Report |
| Packwood Ia Water Quality Report 2026 | View Report |
| Palmer Ia Water Quality Report 2026 | View Report |
| Palo Ia Water Quality Report 2026 | View Report |
| Panama Ia Water Quality Report 2026 | View Report |
| Panora Ia Water Quality Report 2026 | View Report |
| Panorama Park Ia Water Quality Report 2026 | View Report |
| Parkersburg Ia Water Quality Report 2026 | View Report |
| Paton Ia Water Quality Report 2026 | View Report |
| Patterson Ia Water Quality Report 2026 | View Report |
| Paullina Ia Water Quality Report 2026 | View Report |
| Pella Ia Water Quality Report 2026 | View Report |
| Peosta Ia Water Quality Report 2026 | View Report |
| Perry Ia Water Quality Report 2026 | View Report |
| Persia Ia Water Quality Report 2026 | View Report |
| Peterson Ia Water Quality Report 2026 | View Report |
| Phoenix Ia Water Quality Report 2026 | View Report |
| Pierson Ia Water Quality Report 2026 | View Report |
| Pilot Mound Ia Water Quality Report 2026 | View Report |
| Pisgah Ia Water Quality Report 2026 | View Report |
| Plainfield Ia Water Quality Report 2026 | View Report |
| Pleasant Hill Ia Water Quality Report 2026 | View Report |
| Plymouth Ia Water Quality Report 2026 | View Report |
| Pocahontas Ia Water Quality Report 2026 | View Report |
| Polk City Ia Water Quality Report 2026 | View Report |
| Pomeroy Ia Water Quality Report 2026 | View Report |
| Postville Ia Water Quality Report 2026 | View Report |
| Prairie City Ia Water Quality Report 2026 | View Report |
| Prairieburg Ia Water Quality Report 2026 | View Report |
| Preston Ia Water Quality Report 2026 | View Report |
| Primghar Ia Water Quality Report 2026 | View Report |
| Princeton Ia Water Quality Report 2026 | View Report |
| Protivin Ia Water Quality Report 2026 | View Report |
| Quasqueton Ia Water Quality Report 2026 | View Report |
| Quimby Ia Water Quality Report 2026 | View Report |
| Radcliffe Ia Water Quality Report 2026 | View Report |
| Randalia Ia Water Quality Report 2026 | View Report |
| Randall Ia Water Quality Report 2026 | View Report |
| Readlyn Ia Water Quality Report 2026 | View Report |
| Red Oak Ia Water Quality Report 2026 | View Report |
| Redfield Ia Water Quality Report 2026 | View Report |
| Remsen Ia Water Quality Report 2026 | View Report |
| Renwick Ia Water Quality Report 2026 | View Report |
| Rhodes Ia Water Quality Report 2026 | View Report |
| Riceville Ia Water Quality Report 2026 | View Report |
| Ridgeway Ia Water Quality Report 2026 | View Report |
| Ringsted Ia Water Quality Report 2026 | View Report |
| Rippey Ia Water Quality Report 2026 | View Report |
| Riverdale Ia Water Quality Report 2026 | View Report |
| Riverside Ia Water Quality Report 2026 | View Report |
| Riverton Ia Water Quality Report 2026 | View Report |
| Robins Ia Water Quality Report 2026 | View Report |
| Rock Rapids Ia Water Quality Report 2026 | View Report |
| Rock Valley Ia Water Quality Report 2026 | View Report |
| Rockford Ia Water Quality Report 2026 | View Report |
| Rockwell City Ia Water Quality Report 2026 | View Report |
| Rockwell Ia Water Quality Report 2026 | View Report |
| Rodney Ia Water Quality Report 2026 | View Report |
| Roland Ia Water Quality Report 2026 | View Report |
| Rolfe Ia Water Quality Report 2026 | View Report |
| Ross Ia Water Quality Report 2026 | View Report |
| Rowley Ia Water Quality Report 2026 | View Report |
| Rudd Ia Water Quality Report 2026 | View Report |
| Russell Ia Water Quality Report 2026 | View Report |
| Ruthven Ia Water Quality Report 2026 | View Report |
| Ryan Ia Water Quality Report 2026 | View Report |
| Sac City Ia Water Quality Report 2026 | View Report |
| Saint Anthony Ia Water Quality Report 2026 | View Report |
| Saint Charles Ia Water Quality Report 2026 | View Report |
| Saint Paul Ia Water Quality Report 2026 | View Report |
| Salem Ia Water Quality Report 2026 | View Report |
| Salix Ia Water Quality Report 2026 | View Report |
| Sanborn Ia Water Quality Report 2026 | View Report |
| Scarville Ia Water Quality Report 2026 | View Report |
| Schaller Ia Water Quality Report 2026 | View Report |
| Schleswig Ia Water Quality Report 2026 | View Report |
| Scotch Grove Ia Water Quality Report 2026 | View Report |
| Scranton Ia Water Quality Report 2026 | View Report |
| Searsboro Ia Water Quality Report 2026 | View Report |
| Seattle Ia Water Quality Report 2026 | View Report |
| Sergeant Bluff Ia Water Quality Report 2026 | View Report |
| Seymour Ia Water Quality Report 2026 | View Report |
| Shambaugh Ia Water Quality Report 2026 | View Report |
| Sharpsburg Ia Water Quality Report 2026 | View Report |
| Shelby Ia Water Quality Report 2026 | View Report |
| Sheldahl Ia Water Quality Report 2026 | View Report |
| Sheldon Ia Water Quality Report 2026 | View Report |
| Shell Rock Ia Water Quality Report 2026 | View Report |
| Shellsburg Ia Water Quality Report 2026 | View Report |
| Shenandoah Ia Water Quality Report 2026 | View Report |
| Sherrill Ia Water Quality Report 2026 | View Report |
| Sibley Ia Water Quality Report 2026 | View Report |
| Sidney Ia Water Quality Report 2026 | View Report |
| Sigourney Ia Water Quality Report 2026 | View Report |
| Sioux Center Ia Water Quality Report 2026 | View Report |
| Sioux City Ia Water Quality Report 2026 | View Report |
| Sioux Rapids Ia Water Quality Report 2026 | View Report |
| Slater Ia Water Quality Report 2026 | View Report |
| Sloan Ia Water Quality Report 2026 | View Report |
| Smithland Ia Water Quality Report 2026 | View Report |
| Soldier Ia Water Quality Report 2026 | View Report |
| Solon Ia Water Quality Report 2026 | View Report |
| Somers Ia Water Quality Report 2026 | View Report |
| South English Ia Water Quality Report 2026 | View Report |
| Spencer Ia Water Quality Report 2026 | View Report |
| Spillville Ia Water Quality Report 2026 | View Report |
| Spirit Lake Ia Water Quality Report 2026 | View Report |
| Springbrook Ia Water Quality Report 2026 | View Report |
| Springville Ia Water Quality Report 2026 | View Report |
| St Ansgar Ia Water Quality Report 2026 | View Report |
| St Olaf Ia Water Quality Report 2026 | View Report |
| Stanhope Ia Water Quality Report 2026 | View Report |
| Stanwood Ia Water Quality Report 2026 | View Report |
| State Center Ia Water Quality Report 2026 | View Report |
| Steamboat Rock Ia Water Quality Report 2026 | View Report |
| Storm Lake Ia Water Quality Report 2026 | View Report |
| Story City Ia Water Quality Report 2026 | View Report |
| Stout Ia Water Quality Report 2026 | View Report |
| Stratford Ia Water Quality Report 2026 | View Report |
| Strawberry Point Ia Water Quality Report 2026 | View Report |
| Struble Ia Water Quality Report 2026 | View Report |
| Stuart Ia Water Quality Report 2026 | View Report |
| Sully Ia Water Quality Report 2026 | View Report |
| Sumner Ia Water Quality Report 2026 | View Report |
| Sun Lakes Ia Water Quality Report 2026 | View Report |
| Superior Ia Water Quality Report 2026 | View Report |
| Sutherland Ia Water Quality Report 2026 | View Report |
| Swan Ia Water Quality Report 2026 | View Report |
| Swea City Ia Water Quality Report 2026 | View Report |
| Swisher Ia Water Quality Report 2026 | View Report |
| Tabor Ia Water Quality Report 2026 | View Report |
| Tama Ia Water Quality Report 2026 | View Report |
| Tempe Ia Water Quality Report 2026 | View Report |
| Templeton Ia Water Quality Report 2026 | View Report |
| Terril Ia Water Quality Report 2026 | View Report |
| Thompson Ia Water Quality Report 2026 | View Report |
| Tiffin Ia Water Quality Report 2026 | View Report |
| Tipton Ia Water Quality Report 2026 | View Report |
| Titonka Ia Water Quality Report 2026 | View Report |
| Toddville Ia Water Quality Report 2026 | View Report |
| Toledo Ia Water Quality Report 2026 | View Report |
| Traer Ia Water Quality Report 2026 | View Report |
| Treynor Ia Water Quality Report 2026 | View Report |
| Tripoli Ia Water Quality Report 2026 | View Report |
| Underwood Ia Water Quality Report 2026 | View Report |
| Urbana Ia Water Quality Report 2026 | View Report |
| Urbandale Ia Water Quality Report 2026 | View Report |
| Ute Ia Water Quality Report 2026 | View Report |
| Vail Ia Water Quality Report 2026 | View Report |
| Van Horne Ia Water Quality Report 2026 | View Report |
| Van Meter Ia Water Quality Report 2026 | View Report |
| Varina Ia Water Quality Report 2026 | View Report |
| Ventura Ia Water Quality Report 2026 | View Report |
| Vermillion Ia Water Quality Report 2026 | View Report |
| Victor Ia Water Quality Report 2026 | View Report |
| Villisca Ia Water Quality Report 2026 | View Report |
| Vincent Ia Water Quality Report 2026 | View Report |
| Vinton Ia Water Quality Report 2026 | View Report |
| Volga Ia Water Quality Report 2026 | View Report |
| Wadena Ia Water Quality Report 2026 | View Report |
| Walcott Ia Water Quality Report 2026 | View Report |
| Walford Ia Water Quality Report 2026 | View Report |
| Walker Ia Water Quality Report 2026 | View Report |
| Wall Lake Ia Water Quality Report 2026 | View Report |
| Wallingford Ia Water Quality Report 2026 | View Report |
| Walnut Ia Water Quality Report 2026 | View Report |
| Wapello Ia Water Quality Report 2026 | View Report |
| Washinginton Ia Water Quality Report 2026 | View Report |
| Washington Ia Water Quality Report 2026 | View Report |
| Washta Ia Water Quality Report 2026 | View Report |
| Waterloo Ia Water Quality Report 2026 | View Report |
| Watkins Ia Water Quality Report 2026 | View Report |
| Waukee Ia Water Quality Report 2026 | View Report |
| Waukon Ia Water Quality Report 2026 | View Report |
| Waverly Ia Water Quality Report 2026 | View Report |
| Wayland Ia Water Quality Report 2026 | View Report |
| Webster City Ia Water Quality Report 2026 | View Report |
| Webster Ia Water Quality Report 2026 | View Report |
| Wellman Ia Water Quality Report 2026 | View Report |
| Wellsburg Ia Water Quality Report 2026 | View Report |
| Wesley Ia Water Quality Report 2026 | View Report |
| West Bend Ia Water Quality Report 2026 | View Report |
| West Branch Ia Water Quality Report 2026 | View Report |
| West Burlington Ia Water Quality Report 2026 | View Report |
| West Chester Ia Water Quality Report 2026 | View Report |
| West Des Moines Ia Water Quality Report 2026 | View Report |
| West Liberty Ia Water Quality Report 2026 | View Report |
| West Point Ia Water Quality Report 2026 | View Report |
| West Union Ia Water Quality Report 2026 | View Report |
| Westgate Ia Water Quality Report 2026 | View Report |
| Westside Ia Water Quality Report 2026 | View Report |
| Wheatland Ia Water Quality Report 2026 | View Report |
| Whiting Ia Water Quality Report 2026 | View Report |
| Whittemore Ia Water Quality Report 2026 | View Report |
| Whitten Ia Water Quality Report 2026 | View Report |
| Williams Ia Water Quality Report 2026 | View Report |
| Williamsburg Ia Water Quality Report 2026 | View Report |
| Wilton Ia Water Quality Report 2026 | View Report |
| Windsor Heights Ia Water Quality Report 2026 | View Report |
| Winfield Ia Water Quality Report 2026 | View Report |
| Winterset Ia Water Quality Report 2026 | View Report |
| Winthrop Ia Water Quality Report 2026 | View Report |
| Wiota Ia Water Quality Report 2026 | View Report |
| Woden Ia Water Quality Report 2026 | View Report |
| Woodbine Ia Water Quality Report 2026 | View Report |
| Woodburn Ia Water Quality Report 2026 | View Report |
| Woodward Ia Water Quality Report 2026 | View Report |
| Woolstock Ia Water Quality Report 2026 | View Report |
| Worthington Ia Water Quality Report 2026 | View Report |
| Wyoming Ia Water Quality Report 2026 | View Report |
| Yale Ia Water Quality Report 2026 | View Report |
| Zearing Ia Water Quality Report 2026 | View Report |
| Zwingle Ia Water Quality Report 2026 | View Report |
What Does This Mean For You?
Detecting Nitrates in your water supply does not necessarily mean immediate danger, but long-term exposure -- even at low levels -- carries measurable health risk. Reverse osmosis is the most effective method for removing nitrates from drinking water.
Our recommendation: View Nitrates filters certified for Iowa water conditions or take our free Water Finder Quiz to get a personalized recommendation.
Filter Nitrates From Your Iowa Tap Water
PureWaterGuys carries NSF-certified filters proven to reduce Nitrates and other contaminants found in Iowa water.
Shop Nitrates Filters Take the Water QuizFrequently Asked Questions
What is Nitrates?
High nitrate levels cause methemoglobinemia (blue baby syndrome) in infants. EPA MCL is 10 mg/L.
Is Iowa tap water safe to drink?
Water quality varies by city. Of the Iowa systems we analyzed, 699 detected Nitrates. Most levels are below EPA action thresholds, but long-term low-level exposure carries health risk. Check your city's report above or use a certified home filter as a precaution.
What filter removes Nitrates from tap water?
Reverse osmosis is the most effective method for removing nitrates from drinking water. See our Nitrates filter options.
Data sourced from EPA-mandated annual water quality reports (Consumer Confidence Reports). Last updated: 2026. Not all systems are required to test for every contaminant.