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Public water systems in Jurisdiction NN
261 systems (SDWIS/Fed snapshot). Open any row for PFAS monitoring, violation counts, and filter recommendations.
Alamo Navajo Community School BIA
NN3534026 · 600 served
Alamo-Alamo Community
NN3500285 · 785 served
Alamo-Alamo Springs
NN3500286 · 210 served
Alamo-Chavez Springs
NN3500329 · 28 served
Alamo-Secatero Camp Drinking Water System
NN9935001 · 55 served
Aneth Community School BIA
NN4932002 · 192 served
Aneth NTUA
NN4900220 · 1,481 served
Antelope Point Marina
NN0400818 · 25 served
Antelope Point Marina
NN9904010 · 15 served
Baby Rocks NTUA
NN0400824 · 44 served
Baca NTUA
NN3500331 · 1,733 served
Baca-Haystack NTUA
NN3500254 · 376 served
Bashas Chinle Vending
NN0400124 · 25 served
Bashas Dilkon Vending
NN0400126 · 25 served
Bashas Window Rock Vending
NN0400125 · 25 served
Bass Lake OM
NN3500294 · 100 served
Becenti Chapter House
NN3500282 · 25 served
Beclabito Day School BIA
NN3532003 · 120 served
Black Mesa Shopping Center
NN0400308 · 25 served
Black Springs Wash-Deer Springs NTUA
NN3500265 · 176 served
Blue Gap - Tachee 4K-388 OM
NN0400363 · 24 served
Boardman Loop NTUA
NN3510002 · 48 served
Bread Springs-Chichiltah NTUA
NN3500292 · 2,066 served
Buffalo Springs NTUA
NN3500264 · 397 served
Burnham Junction Mustang
NN3508630 · 500 served
Burnham OM
NN3503030 · 48 served
Cameron NTUA
NN0403010 · 742 served
Camp Asaayi
NN3536023 · 200 served
Cane Valley NTUA
NN4903073 · 58 served
Canoncito
NN3500287 · 1,326 served
Canoncito Community Day School BIA
NN3534025 · 437 served
Canyon De Chelly National Monument
NN0403022 · 55 served
Carson-Huerfano NTUA
NN3503063 · 1,142 served
Casa Del Eco Mesa NTUA
NN4903074 · 211 served
Casamero Cup NTUA
NN3503060 · 48 served
Casamero Lake-Smith Lake NTUA
NN3500256 · 906 served
Chevron Coal Company - North Mine
NN3500332 · 26 served
Chichiltah NTUA
NN3500271 · 105 served
Chilchinbeto Community Day School BIA
NN0433002 · 138 served
Chilchinbeto NTUA
NN0400290 · 1,276 served
Chinle Boarding School BIA
NN0435020 · 1,000 served
Chinle High School
NN0403062 · 975 served
Chinle USD 24 Administration Center
NN0403060 · 220 served
Chinle-Many Farms-Del Muerto NTUA
NN0400174 · 8,458 served
Church Rock NTUA
NN3500260 · 1,604 served
Chuska Community Boarding School BIA
NN3536003 · 348 served
Coal Mine Mesa NTUA
NN0400207 · 393 served
Coppermine Chapter House OM
NN0403039 · 25 served
Coppermine Chapter OM
NN0403049 · 25 served
Coppermine NTUA
NN0400814 · 342 served
Cornfields NTUA
NN0400255 · 675 served
Cottonwood Day School BIA
NN0435004 · 185 served
Cottonwood-Tselani NTUA
NN0403021 · 1,334 served
Cove Day School BIA
NN0432005 · 73 served
Cove NTUA
NN0403027 · 728 served
Coyote Canyon Chapter House
NN3500325 · 48 served
Coyote Canyon-Bass Lake NTUA
NN3500274 · 622 served
Crownpoint Boarding School BIA
NN3534023 · 1,024 served
Crownpoint-Littlewater-Three Mile Point NTUA
NN3503039 · 3,950 served
Crystal Community Boarding School BIA
NN3536005 · 248 served
Crystal NTUA
NN3503012 · 715 served
Crystal-Yazzie Springs OM
NN3500324 · 72 served
Dalton Pass OM
NN3500270 · 587 served
Defiance NTUA
NN3500277 · 1,659 served
Dennehotso Boarding School BIA
NN0433004 · 300 served
Dennehotso NTUA
NN0400296 · 1,040 served
Dilcon Community Boarding School BIA
NN0436006 · 473 served
Dilkon-Indian Wells-Greasewood-White Cone NTUA
NN0400342 · 4,986 served
Dzil Libei (Cameron) Elementary School
NN0403011 · 73 served
Dzilth-Na-O-Dith-Hle NTUA
NN3503045 · 462 served
El Paso Natural Gas - Cornfields-Navajo Station
NN0400325 · 220 served
El Paso Natural Gas - Gallup-Tohatchi
NN3500288 · 25 served
El Paso Natural Gas - Leupp Station
NN0400349 · 11 served
El Paso Natural Gas - Window Rock-St Michaels
NN0400338 · 100 served
Farmington Rural-Shiprock-Beclabito NTUA
NN3500245 · 15,233 served
Fire Rock Navajo Casino
NN3510000 · 300 served
Forest Lake NTUA
NN0400182 · 233 served
Former Pueblo Pintado Boarding School BIA
NN3534015 · 103 served
Fort Courage Inc
NN9904007 · 15 served
Fort Defiance-Window Rock-St Michaels NTUA
NN0403000 · 12,869 served
Ganado Mission - Sage Memorial Hospital
NN0400320 · 349 served
Ganado Public Schools
NN0400289 · 684 served
Ganado-Burnside-Cornfield-Steamboat NTUA
NN0403001 · 3,947 served
Gap-Cedar Ridge NTUA
NN0403009 · 1,125 served
Gouldings Trading Post and Lodge
NN4900225 · 300 served
Greasewood Springs Community Boarding School BIA
NN0436008 · 720 served
Hard Rock NTUA
NN0403811 · 982 served
Hardrock-Navajo Gospel Mission
NN0400257 · 6 served
Holly Village NTUA
NN4903020 · 297 served
Houck-Querino Canyon NTUA
NN0400280 · 1,023 served
Hunters Point Boarding School BIA
NN0436011 · 173 served
Hunters Point NTUA
NN0403044 · 935 served
Immanuel Mission-Sweetwater
NN0403072 · 28 served
Inscription House-Navajo Mountain NTUA
NN0400283 · 1,368 served
Iyanbito NTUA
NN3500258 · 797 served
Jeddito NTUA
NN0403100 · 1,105 served
Jones Ranch School BIA
NN3534008 · 345 served
Kaibeto (Upper) Boarding School BIA
NN0433007 · 400 served
Kaibeto Chapter House OM
NN0400400 · 30 served
Kaibeto NTUA
NN0400348 · 1,590 served
Kayenta Community Boarding School BIA
NN0433008 · 500 served
Kayenta NTUA
NN0403003 · 3,844 served
Kayenta Sandstone Housing
NN0400815 · 1,375 served
Kerr McGee Camp OM
NN3500323 · 50 served
Keyah 1 NAPI NTUA
NN3503054 · 133 served
Kinlichee Community School BIA
NN0436015 · 174 served
Kinlichee NTUA
NN0400321 · 787 served
Kinlichee Staff Housing BIA
NN0436014 · 80 served
Kitsillie-Black Mesa NTUA
NN0400253 · 414 served
Klagetoh NTUA
NN0403026 · 971 served
La Vida Mission
NN3503076 · 200 served
LeChee NTUA
NN0403006 · 1,115 served
Leupp Contract Boarding School BIA
NN0433009 · 250 served
Leupp-Birdsprings-Tolani Lake NTUA
NN0403033 · 2,100 served
Littlewater (San Juan County NM) NTUA
NN3503002 · 212 served
Long House Valley NTUA
NN0400825 · 277 served
Low Mountain Boarding School BIA
NN0435006 · 339 served
Lukachukai Community Boarding School BIA
NN0435007 · 472 served
Lukachukai Community School new
NN0435012 · 500 served
Lukachukai NTUA
NN0403047 · 1,659 served
Lupton NTUA
NN0400282 · 783 served
Lupton South NTUA
NN0400284 · 94 served
Manuelito Chapter House OM
NN3500295 · 66 served
Many Farms Community School BIA
NN0435008 · 1,506 served
Many Farms NTUA
NN0400252 · 350 served
Mariano Lake Community School BIA
NN3534012 · 160 served
Mariano Lake-Pinedale-Church Rock NTUA
NN3500211 · 4,562 served
Mexican Hat NTUA
NN4903032 · 239 served
Mexican Springs East NTUA
NN3500262 · 200 served
Mexican Springs West Rural NTUA
NN3500267 · 257 served
Mexican Water NTUA
NN4903072 · 294 served
Mexican Water Trading Post
NN0403014 · 25 served
Mittenrock NTUA
NN3503057 · 352 served
Moenave Community
NN0403008 · 65 served
Montezuma Creek NTUA
NN4903018 · 424 served
Monument Valley Mission - Hospital
NN4900222 · 303 served
Monument Valley Navajo Tribal Park
NN4903063 · 275 served
Monument Valley Utah Schools
NN4900227 · 700 served
Mulholland Well OM
NN3503040 · 30 served
Nageezi NTUA
NN3500296 · 763 served
Narbona Pass NTUA
NN3503031 · 862 served
Naschitti-Bisola NTUA
NN3500268 · 1,173 served
Navajo (NM) NTUA
NN3500298 · 2,520 served
Navajo Mountain Chapter House
NN4900226 · 80 served
Navajo Mountain Community Boarding School BIA
NN4933011 · 163 served
Navajo Mountain Health Clinic
NN4900221 · 50 served
Navajo National Monument
NN0400339 · 25 served
Navajo Springs 3A-189A OM
NN0400356 · 45 served
Nazlini Community Boarding School BIA
NN0435009 · 230 served
Nazlini NTUA
NN0400397 · 862 served
Nenahnezad Community School BIA
NN3532006 · 80 served
New Lands NTUA
NN0403102 · 1,905 served
Newcomb NTUA
NN3503016 · 602 served
Northern Edge Navajo Casino
NN3510003 · 25 served
Oak Springs NTUA (south of Hunters Point)
NN0403015 · 390 served
Oaksprings 12T-514 NTUA (north of Red Valley)
NN0400381 · 127 served
Ojo Encino North NTUA
NN3503041 · 1,108 served
Oljato NTUA
NN4900224 · 1,276 served
Peabody Western Coal Company - Black Mesa Mines
NN0400287 · 420 served
Pine Springs Day School BIA
NN0436018 · 122 served
Pine Springs NTUA
NN0400813 · 222 served
Pinedale Chapter House
NN3500275 · 50 served
Pinehill Community and School
NN3500250 · 1,007 served
Pinon Community Dormitory School BIA
NN0435010 · 500 served
Pinon-District 4 NTUA
NN0403004 · 5,195 served
Pueblo Pintado (New) Community School BIA
NN9935008 · 300 served
Rainbow Village-Navajo Mountain NTUA
NN4900223 · 255 served
Ramah-Jacobs Well RNUA
NN9935002 · 25 served
Ramah-Mountain View RNUA
NN3500280 · 215 served
Ramah-Pinehill Community RNUA
NN3510001 · 684 served
Ramah-Ramah Rural RNUA
NN3500251 · 165 served
Ramah-Sunset Valley RNUA
NN3500279 · 294 served
Ramona Smith Water Users Group Inc
NN3500266 · 77 served
Rare Metals NTUA
NN0400208 · 72 served
Red Mesa NTUA
NN4903017 · 1,023 served
Red Mesa Public Schools
NN0400299 · 900 served
Red Mesa Trading Post
NN0400318 · 25 served
Red Rock (Red Valley) Day School BIA
NN0432007 · 55 served
Red Rock Chapter OM
NN3500300 · 100 served
Red Rock NTUA
NN3500335 · 1,652 served
Red Valley North NTUA
NN0403058 · 756 served
Red Valley South NTUA
NN0403061 · 539 served
Red Valley-Cove High School
NN0400820 · 25 served
Red Valley-Kinsel Camp
NN0403016 · 25 served
Riverview Trailer Park
NN4904000 · 80 served
Rock Point Community School BIA
NN0435011 · 758 served
Rock Point NTUA
NN0403048 · 1,029 served
Rocky Ridge Boarding School BIA
NN0433015 · 250 served
Rough Rock Community High School BIA
NN0435212 · 350 served
Rough Rock Demonstration School BIA
NN0435112 · 200 served
Rough Rock NTUA
NN0400396 · 455 served
Round Rock Elementary School
NN0403024 · 396 served
Round Rock NTUA
NN0403023 · 876 served
Sanostee (New) Day School BIA
NN3510004 · 80 served
Sanostee (Old) Day School BIA
NN3532009 · 690 served
Sanostee-Tocito NTUA
NN3503059 · 1,953 served
Sawmill NTUA
NN0403025 · 838 served
Seba Dalkai Boarding School BIA
NN0436019 · 250 served
Sheepsprings North NTUA
NN3503070 · 743 served
Sheepsprings South NTUA
NN3503043 · 440 served
Shiprock-Rattlesnake-Cudei-Beclabito NTUA
NN3500248 · 9,975 served
Shonto Chapter House
NN0400328 · 50 served
Shonto Headstart Preschool
NN0400327 · 50 served
Shonto Junction NTUA
NN0400326 · 1,146 served
Shonto NTUA
NN0400322 · 397 served
Shonto Preparatory Boarding School BIA
NN0433016 · 664 served
St Michael Indian School
NN0400380 · 585 served
St Michaels South NTUA
NN0400351 · 60 served
Standing Rock NTUA
NN3503029 · 739 served
Sweetwater Chapter House
NN0400323 · 75 served
Sweetwater NTUA
NN0400399 · 2,014 served
Taliman Springs OM
NN0400340 · 200 served
Teec Nos Pos Community Boarding School BIA
NN0432010 · 300 served
Teec Nos Pos Helium Plant Community OM
NN0403074 · 25 served
Teec Nos Pos NTUA
NN0403055 · 752 served
Teec Nos Pos Trading Post
NN0400823 · 25 served
Tes Nez Iah Store-Motel
NN0403012 · 25 served
Thoreau Chapter House
NN3500257 · 360 served
Thoreau High School
NN3510007 · 746 served
Thoreau High School
NN9935007 · 1,150 served
Thoreau West-John Willie Camp-Baca NTUA
NN3500303 · 1,611 served
Three Mile Post NTUA
NN3503011 · 120 served
Toadlena Boarding School BIA
NN3532011 · 200 served
Toadlena NTUA
NN3503028 · 903 served
Todahaidekani NTUA
NN4903071 · 301 served
Tohatchi Area of Opportunity and Services Inc BIA
NN3536022 · 25 served
Tohatchi Public School
NN3500299 · 240 served
Tohatchi-Mexican Springs-Twin Lakes NTUA
NN3500237 · 1,669 served
Tonalea (Red Lake) Day School BIA
NN0433013 · 300 served
Tonalea-Red Lake NTUA
NN0400379 · 1,146 served
Toyei-Toyei Industries-Police Academy
NN0436027 · 20 served
Transwestern Pipeline Company - Klagetoh - 4
NN0400291 · 25 served
Transwestern Pipeline Company - Leupp - 3
NN0400293 · 25 served
Transwestern Pipeline Company - Thoreau
NN3500305 · 100 served
Tsa Yah Toh NTUA
NN3500278 · 865 served
Tsaile-Black Pinnacle OM
NN0400256 · 28 served
Tsaile-Dine College NTUA
NN0403005 · 1,190 served
Tsé Yí Gai High School
NN3510006 · 126 served
Tsegi-Anasazi Inn
NN0400319 · 84 served
Tsehootsooi Middle School
NN0400181 · 875 served
Tseiiahi (Standing Rock) Community School BIA
NN3534016 · 143 served
Tuba City Boarding School BIA
NN0433001 · 2,040 served
Tuba City NTUA
NN0400206 · 6,276 served
Twin Arrows Navajo Casino Internal
NN0400821 · 25 served
Twin Arrows NTUA
NN0400822 · 25 served
Twin Buttes Headstart Preschool OM
NN3508450 · 25 served
Twin Lakes 14T-501 OM
NN3500321 · 25 served
Twin Lakes NTUA
NN3500261 · 1,833 served
Two Grey Hills Chapter House
NN3500330 · 160 served
Wheatfields NTUA
NN0400812 · 321 served
White Cone Chapter House
NN0403034 · 25 served
White Cone High School
NN0400816 · 25 served
White Mesa NTUA
NN0400209 · 496 served
White Post Mission NTUA
NN0400286 · 185 served
White Rock Chapter House
NN3503015 · 25 served
White Rock Chapter OM
NN3500283 · 15 served
White Rock-Lake Valley NTUA
NN3500269 · 492 served
Whitehorse Lake Chapter House OM
NN3500238 · 30 served
Whitehorse Lake NTUA
NN3500239 · 277 served
Whitehorse Lake Preschool OM
NN3500304 · 35 served
Wide Ruins Community Boarding School BIA
NN0436024 · 215 served