June 17, 2026
Nitrates in Arizona Drinking Water 2026
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Nitrates in Arizona Drinking Water 2026
Nitrates contamination has been detected in drinking water systems across Arizona. High nitrate levels cause methemoglobinemia (blue baby syndrome) in infants. EPA MCL is 10 mg/L. Our analysis of Arizona water quality reports found Nitrates present in 248 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 Arizona with Nitrates Detected
The following 248 water systems in Arizona reported Nitrates in their annual water quality reports. Click any city to read the full report.
| City / Water System | Water Quality Report |
|---|---|
| Aguila Az Water Quality Report 2026 | View Report |
| Ajo Az Water Quality Report 2026 | View Report |
| Albuqueque Az Water Quality Report 2026 | View Report |
| Alpine Az Water Quality Report 2026 | View Report |
| Amado Az Water Quality Report 2026 | View Report |
| Apache Junction Az Water Quality Report 2026 | View Report |
| Arivaca Az Water Quality Report 2026 | View Report |
| Arizona City Az Water Quality Report 2026 | View Report |
| Arlington Az Water Quality Report 2026 | View Report |
| Ash Fork Az Water Quality Report 2026 | View Report |
| Austin Az Water Quality Report 2026 | View Report |
| Bad Address Az Water Quality Report 2026 | View Report |
| Bagdad Az Water Quality Report 2026 | View Report |
| Bakersfield Az Water Quality Report 2026 | View Report |
| Beaver Dam Az Water Quality Report 2026 | View Report |
| Bellvue Az Water Quality Report 2026 | View Report |
| Benson Az Water Quality Report 2026 | View Report |
| Beverly Hills Az Water Quality Report 2026 | View Report |
| Bevery Hills Az Water Quality Report 2026 | View Report |
| Black Canyon City Az Water Quality Report 2026 | View Report |
| Bonsall Az Water Quality Report 2026 | View Report |
| Boulder City Az Water Quality Report 2026 | View Report |
| Bouse Az Water Quality Report 2026 | View Report |
| Boys Ranch Az Water Quality Report 2026 | View Report |
| Broomfield Az Water Quality Report 2026 | View Report |
| Buckeye Az Water Quality Report 2026 | View Report |
| Bullhead Az Water Quality Report 2026 | View Report |
| Calabasas Az Water Quality Report 2026 | View Report |
| Camp Verde Az Water Quality Report 2026 | View Report |
| Carefree Az Water Quality Report 2026 | View Report |
| Cave Creek Az Water Quality Report 2026 | View Report |
| Cavecreek Az Water Quality Report 2026 | View Report |
| Chandler Az Water Quality Report 2026 | View Report |
| Chandler Heights Az Water Quality Report 2026 | View Report |
| Chinle Az Water Quality Report 2026 | View Report |
| Chino Valley Az Water Quality Report 2026 | View Report |
| Chloride Az Water Quality Report 2026 | View Report |
| Chula Vista Az Water Quality Report 2026 | View Report |
| Citrus Heights Az Water Quality Report 2026 | View Report |
| Clarkdale Az Water Quality Report 2026 | View Report |
| Clay Springs Az Water Quality Report 2026 | View Report |
| Claypool Az Water Quality Report 2026 | View Report |
| Colorado City Az Water Quality Report 2026 | View Report |
| Concho Az Water Quality Report 2026 | View Report |
| Congress Az Water Quality Report 2026 | View Report |
| Coolidge Az Water Quality Report 2026 | View Report |
| Cornville Az Water Quality Report 2026 | View Report |
| Cortaro Az Water Quality Report 2026 | View Report |
| Cottonwood Az Water Quality Report 2026 | View Report |
| Covina Az Water Quality Report 2026 | View Report |
| Crown King Az Water Quality Report 2026 | View Report |
| Dateland Az Water Quality Report 2026 | View Report |
| Davis Monthan Afb Az Water Quality Report 2026 | View Report |
| Default Az Water Quality Report 2026 | View Report |
| Denver Az Water Quality Report 2026 | View Report |
| Des Peres Az Water Quality Report 2026 | View Report |
| Desert Springs Az Water Quality Report 2026 | View Report |
| Dewey Az Water Quality Report 2026 | View Report |
| Dolan Springs Az Water Quality Report 2026 | View Report |
| Douglas Az Water Quality Report 2026 | View Report |
| Dragoon Az Water Quality Report 2026 | View Report |
| Duncan Az Water Quality Report 2026 | View Report |
| Eagar Az Water Quality Report 2026 | View Report |
| Eager Az Water Quality Report 2026 | View Report |
| Eden Az Water Quality Report 2026 | View Report |
| Eherenberg Az Water Quality Report 2026 | View Report |
| Ehrenberg Az Water Quality Report 2026 | View Report |
| El Mirage Az Water Quality Report 2026 | View Report |
| El Paso Az Water Quality Report 2026 | View Report |
| Elfrida Az Water Quality Report 2026 | View Report |
| Eloy Az Water Quality Report 2026 | View Report |
| Escondido Az Water Quality Report 2026 | View Report |
| Farmington Hills Az Water Quality Report 2026 | View Report |
| Florence Az Water Quality Report 2026 | View Report |
| Forest Lakes Az Water Quality Report 2026 | View Report |
| Fort Defiance Az Water Quality Report 2026 | View Report |
| Fort Mohave Az Water Quality Report 2026 | View Report |
| Fort Wayne Az Water Quality Report 2026 | View Report |
| Fort Worth Az Water Quality Report 2026 | View Report |
| Fountain Hills Az Water Quality Report 2026 | View Report |
| Fredonia Az Water Quality Report 2026 | View Report |
| Gadsden Az Water Quality Report 2026 | View Report |
| Ganado Az Water Quality Report 2026 | View Report |
| Garden City Az Water Quality Report 2026 | View Report |
| Gila Bend Az Water Quality Report 2026 | View Report |
| Gilbert Az Water Quality Report 2026 | View Report |
| Globe Az Water Quality Report 2026 | View Report |
| Gold Canyon Az Water Quality Report 2026 | View Report |
| Golden Valley Az Water Quality Report 2026 | View Report |
| Grand Canyon Az Water Quality Report 2026 | View Report |
| Green Valley Az Water Quality Report 2026 | View Report |
| Happy Jack Az Water Quality Report 2026 | View Report |
| Hawley Lake Az Water Quality Report 2026 | View Report |
| Hayden Az Water Quality Report 2026 | View Report |
| Heber Az Water Quality Report 2026 | View Report |
| Hereford Az Water Quality Report 2026 | View Report |
| Higley Az Water Quality Report 2026 | View Report |
| Holbrook Az Water Quality Report 2026 | View Report |
| Huachuca City Az Water Quality Report 2026 | View Report |
| Humboldt Az Water Quality Report 2026 | View Report |
| Huntington Beach Az Water Quality Report 2026 | View Report |
| Jerome Az Water Quality Report 2026 | View Report |
| Joseph City Az Water Quality Report 2026 | View Report |
| Juana D Az Pr Water Quality Report 2026 | View Report |
| Juana D Az Pr Water Quality Report 2027 | View Report |
| Kayenta Az Water Quality Report 2026 | View Report |
| Kearny Az Water Quality Report 2026 | View Report |
| La Jolla Az Water Quality Report 2026 | View Report |
| Lakeside Az Water Quality Report 2026 | View Report |
| Lancaster Az Water Quality Report 2026 | View Report |
| Las Vegas Az Water Quality Report 2026 | View Report |
| Laveen Az Water Quality Report 2026 | View Report |
| Litchfield Az Water Quality Report 2026 | View Report |
| Litchfield Park Az Water Quality Report 2026 | View Report |
| Littlefield Az Water Quality Report 2026 | View Report |
| Los Alimantas Az Water Quality Report 2026 | View Report |
| Los Angeles Az Water Quality Report 2026 | View Report |
| Luke Afb Az Water Quality Report 2026 | View Report |
| Mammoth Az Water Quality Report 2026 | View Report |
| Manhattan Beach Az Water Quality Report 2026 | View Report |
| Marana Az Water Quality Report 2026 | View Report |
| Maricopa Az Water Quality Report 2026 | View Report |
| Mayer Az Water Quality Report 2026 | View Report |
| Mcnary Az Water Quality Report 2026 | View Report |
| Mcneal Az Water Quality Report 2026 | View Report |
| Meadview Az Water Quality Report 2026 | View Report |
| Mesa Az Water Quality Report 2026 | View Report |
| Mira Loma Az Water Quality Report 2026 | View Report |
| Mission View Az Water Quality Report 2026 | View Report |
| Moccasin Az Water Quality Report 2026 | View Report |
| Mohave Valley Az Water Quality Report 2026 | View Report |
| Morenci Az Water Quality Report 2026 | View Report |
| Mormon Lake Az Water Quality Report 2026 | View Report |
| Morristown Az Water Quality Report 2026 | View Report |
| Mt Lemmon Az Water Quality Report 2026 | View Report |
| Naperville Az Water Quality Report 2026 | View Report |
| Nashville Az Water Quality Report 2026 | View Report |
| New River Az Water Quality Report 2026 | View Report |
| Nogales Az Water Quality Report 2026 | View Report |
| Nutrioso Az Water Quality Report 2026 | View Report |
| Oakhurst Az Water Quality Report 2026 | View Report |
| Oracle Az Water Quality Report 2026 | View Report |
| Oraibi Az Water Quality Report 2026 | View Report |
| Orem Az Water Quality Report 2026 | View Report |
| Oro Valley Az Water Quality Report 2026 | View Report |
| Overgaard Az Water Quality Report 2026 | View Report |
| Page Az Water Quality Report 2026 | View Report |
| Paradise Valley Az Water Quality Report 2026 | View Report |
| Parker Az Water Quality Report 2026 | View Report |
| Parker Dam Az Water Quality Report 2026 | View Report |
| Parne Az Water Quality Report 2026 | View Report |
| Patagonia Az Water Quality Report 2026 | View Report |
| Paulden Az Water Quality Report 2026 | View Report |
| Payson Az Water Quality Report 2026 | View Report |
| Peoria Az Water Quality Report 2026 | View Report |
| Peroria Az Water Quality Report 2026 | View Report |
| Petrified Forest Az Water Quality Report 2026 | View Report |
| Phoenix Az Water Quality Report 2026 | View Report |
| Picacho Az Water Quality Report 2026 | View Report |
| Pima Az Water Quality Report 2026 | View Report |
| Pine Az Water Quality Report 2026 | View Report |
| Pinedale Az Water Quality Report 2026 | View Report |
| Pinetop Az Water Quality Report 2026 | View Report |
| Pomerene Az Water Quality Report 2026 | View Report |
| Poston Az Water Quality Report 2026 | View Report |
| Prescott Valley Az Water Quality Report 2026 | View Report |
| Quartsite Az Water Quality Report 2026 | View Report |
| Quartzite Az Water Quality Report 2026 | View Report |
| Quartzsite Az Water Quality Report 2026 | View Report |
| Queen Creek Az Water Quality Report 2026 | View Report |
| Queen Valley Az Water Quality Report 2026 | View Report |
| Ranch Cucamonga Az Water Quality Report 2026 | View Report |
| Rancho Cucamonga Az Water Quality Report 2026 | View Report |
| Rancho Santa Fe Az Water Quality Report 2026 | View Report |
| Rancho Sante Fe Az Water Quality Report 2026 | View Report |
| Rillito Az Water Quality Report 2026 | View Report |
| Rimrock Az Water Quality Report 2026 | View Report |
| Riviera Az Water Quality Report 2026 | View Report |
| Roll Az Water Quality Report 2026 | View Report |
| Roosevelt Az Water Quality Report 2026 | View Report |
| Safford Az Water Quality Report 2026 | View Report |
| Sahuarita Az Water Quality Report 2026 | View Report |
| Saint David Az Water Quality Report 2026 | View Report |
| Saint Johns Az Water Quality Report 2026 | View Report |
| Salome Az Water Quality Report 2026 | View Report |
| San Diego Az Water Quality Report 2026 | View Report |
| San Francisco Az Water Quality Report 2026 | View Report |
| San Luis Az Water Quality Report 2026 | View Report |
| San Simon Az Water Quality Report 2026 | View Report |
| San Tan Valley Az Water Quality Report 2026 | View Report |
| Sanders Az Water Quality Report 2026 | View Report |
| Sasabe Az Water Quality Report 2026 | View Report |
| Scottdale Az Water Quality Report 2026 | View Report |
| Scottsdale Az Water Quality Report 2026 | View Report |
| Show Low Az Water Quality Report 2026 | View Report |
| Showlow Az Water Quality Report 2026 | View Report |
| Sierra Vista Az Water Quality Report 2026 | View Report |
| Snowflake Az Water Quality Report 2026 | View Report |
| Somerton Az Water Quality Report 2026 | View Report |
| Sonoita Az Water Quality Report 2026 | View Report |
| Springerville Az Water Quality Report 2026 | View Report |
| St David Az Water Quality Report 2026 | View Report |
| St George Az Water Quality Report 2026 | View Report |
| St Johns Az Water Quality Report 2026 | View Report |
| St Michaels Az Water Quality Report 2026 | View Report |
| Stanfield Az Water Quality Report 2026 | View Report |
| Star Valley Az Water Quality Report 2026 | View Report |
| Strawberry Az Water Quality Report 2026 | View Report |
| Sun City Az Water Quality Report 2026 | View Report |
| Sun Lakes Az Water Quality Report 2026 | View Report |
| Superior Az Water Quality Report 2026 | View Report |
| Taylor Az Water Quality Report 2026 | View Report |
| Tempe Az Water Quality Report 2026 | View Report |
| Thatcher Az Water Quality Report 2026 | View Report |
| Tolleson Az Water Quality Report 2026 | View Report |
| Tombstone Az Water Quality Report 2026 | View Report |
| Tonopah Az Water Quality Report 2026 | View Report |
| Topeka Az Water Quality Report 2026 | View Report |
| Topock Az Water Quality Report 2026 | View Report |
| Trabuco Canyon Az Water Quality Report 2026 | View Report |
| Tuba City Az Water Quality Report 2026 | View Report |
| Tubac Az Water Quality Report 2026 | View Report |
| Tumacacori Az Water Quality Report 2026 | View Report |
| Twin Lake Az Water Quality Report 2026 | View Report |
| Vail Az Water Quality Report 2026 | View Report |
| Vernon Az Water Quality Report 2026 | View Report |
| Waddell Az Water Quality Report 2026 | View Report |
| Walhoit Az Water Quality Report 2026 | View Report |
| Washington Az Water Quality Report 2026 | View Report |
| Wellton Az Water Quality Report 2026 | View Report |
| Wenden Az Water Quality Report 2026 | View Report |
| White River Az Water Quality Report 2026 | View Report |
| Whiteriver Az Water Quality Report 2026 | View Report |
| Wickenburg Az Water Quality Report 2026 | View Report |
| Wikieup Az Water Quality Report 2026 | View Report |
| Willcox Az Water Quality Report 2026 | View Report |
| Williams Az Water Quality Report 2026 | View Report |
| Window Rock Az Water Quality Report 2026 | View Report |
| Winkelman Az Water Quality Report 2026 | View Report |
| Winkleman Az Water Quality Report 2026 | View Report |
| Winslow Az Water Quality Report 2026 | View Report |
| Winterhaven Az Water Quality Report 2026 | View Report |
| Wittman Az Water Quality Report 2026 | View Report |
| Wittmann Az Water Quality Report 2026 | View Report |
| Woodruff Az Water Quality Report 2026 | View Report |
| Yarnell Az Water Quality Report 2026 | View Report |
| Youngtown Az Water Quality Report 2026 | View Report |
| Yucca Az 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 Arizona water conditions or take our free Water Finder Quiz to get a personalized recommendation.
Filter Nitrates From Your Arizona Tap Water
PureWaterGuys carries NSF-certified filters proven to reduce Nitrates and other contaminants found in Arizona 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 Arizona tap water safe to drink?
Water quality varies by city. Of the Arizona systems we analyzed, 248 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.