U.S. water systems

Navajo Nation Water Systems

Navajo Nation

213 community water systems on record — 149 active, 64 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Navajo Nation’s official records. Always confirm current status with Navajo Nation before making decisions based on this information.

All community water systems in Navajo Nation

System name	Mailing city	Population served	Status
Farmington Rural-Shiprock-Beclabito NTUA	Ft Defiance	15,233	Active
Fort Defiance-Window Rock-St Michaels NTUA	Ft Defiance	12,869	Active
Shiprock-Rattlesnake-Cudei-Beclabito NTUA	Ft. Defiance	9,975	Inactive
Chinle-Many Farms-Del Muerto NTUA	Ft Defiance	8,458	Active
Tuba City NTUA	Fort Defiance	6,276	Active
Pinon-District 4 NTUA	Ft Defiance	5,195	Active
Dilkon-Indian Wells-Greasewood-White Cone NTUA	Fort Defiance	4,986	Active
Mariano Lake-Pinedale-Church Rock NTUA	Ft Defiance	4,562	Active
Crownpoint-Littlewater-Three Mile Point NTUA	Ft Defiance	3,950	Active
Ganado-Burnside-Cornfield-Steamboat NTUA	Ft Defiance	3,947	Active
Kayenta NTUA	Ft Defiance	3,844	Active
Navajo (NM) NTUA	—	2,520	Inactive
Leupp-Birdsprings-Tolani Lake NTUA	Ft Defiance	2,100	Active
Bread Springs-Chichiltah NTUA	Ft Defiance	2,066	Active
Tuba City Boarding School BIA	Tuba City	2,040	Active
Sweetwater NTUA	Ft Defiance	2,014	Active
Sanostee-Tocito NTUA	Ft Defiance	1,953	Active
New Lands NTUA	Ft Defiance	1,905	Active
Twin Lakes NTUA	Ft Defiance	1,833	Active
Baca NTUA	—	1,733	Inactive
Tohatchi-Mexican Springs-Twin Lakes NTUA	Ft Defiance	1,669	Active
Defiance NTUA	Ft Defiance	1,659	Active
Lukachukai NTUA	Ft Defiance	1,659	Active
Red Rock NTUA	Ft Defiance	1,652	Active
Thoreau West-John Willie Camp-Baca NTUA	Ft Defiance	1,611	Active
Church Rock NTUA	—	1,604	Inactive
Kaibeto NTUA	Ft Defiance	1,590	Active
Many Farms Community School BIA	Many Farms	1,506	Active
Aneth NTUA	Ft Defiance	1,481	Active
Kayenta Sandstone Housing	Albuquerque	1,375	Active
Inscription House-Navajo Mountain NTUA	Ft Defiance	1,368	Active
Cottonwood-Tselani NTUA	Ft Defiance	1,334	Active
Canoncito	Canoncito	1,326	Active
Chilchinbeto NTUA	Ft Defiance	1,276	Active
Oljato NTUA	Ft Defiance	1,276	Active
Tsaile-Dine College NTUA	Ft Defiance	1,190	Active
Naschitti-Bisola NTUA	Ft Defiance	1,173	Active
Thoreau High School	—	1,150	Inactive
Shonto Junction NTUA	Ft Defiance	1,146	Active
Tonalea-Red Lake NTUA	Ft Defiance	1,146	Active
Carson-Huerfano NTUA	Ft Defiance	1,142	Active
Gap-Cedar Ridge NTUA	Fort Defiance	1,125	Active
LeChee NTUA	Ft Defiance	1,115	Active
Ojo Encino North NTUA	Ft Defiance	1,108	Active
Jeddito NTUA	Ft Defiance	1,105	Active
Dennehotso NTUA	Ft Defiance	1,040	Active
Rock Point NTUA	Ft Defiance	1,029	Active
Crownpoint Boarding School BIA	Crownpoint	1,024	Active
Red Mesa NTUA	Ft Defiance	1,023	Active
Pinehill Community and School	Tonalea	1,007	Active
Chinle Boarding School BIA	—	1,000	Inactive
Hard Rock NTUA	Ft Defiance	982	Active
Houck-Querino Canyon NTUA	Ft Defiance	971	Active
Klagetoh NTUA	Ft Defiance	971	Active
Hunters Point NTUA	—	935	Inactive
Casamero Lake-Smith Lake NTUA	Ft Defiance	906	Active
Toadlena NTUA	Ft Defiance	903	Active
Red Mesa Public Schools	Teec Nos Pos	900	Active
Round Rock NTUA	Ft Defiance	876	Active
Tsehootsooi Middle School	Fort Defiance	875	Active
Tsa Yah Toh NTUA	Ft Defiance	865	Active
Narbona Pass NTUA	Ft Defiance	862	Active
Nazlini NTUA	Ft Defiance	862	Active
Sawmill NTUA	Ft Defiance	838	Active
Iyanbito NTUA	Ft Defiance	797	Active
Kinlichee NTUA	Ft Defiance	787	Active
Alamo-Alamo Community	Alamo	785	Active
Lupton NTUA	Ft Defiance	783	Inactive
Nageezi NTUA	Ft Defiance	763	Active
Rock Point Community School BIA	Rock Point	758	Active
Red Valley North NTUA	Ft Defiance	756	Active
Teec Nos Pos NTUA	Ft Defiance	752	Active
Thoreau High School	Thoreau	746	Active
Sheepsprings North NTUA	—	743	Inactive
Cameron NTUA	Fort Defiance	742	Active
Standing Rock NTUA	Ft Defiance	739	Active
Cove NTUA	Ft Defiance	728	Active
Greasewood Springs Community Boarding School BIA	Ganado	720	Active
Crystal NTUA	Ft Defiance	715	Active
Monument Valley Utah Schools	Blanding	700	Active
Ganado Public Schools	Ganado	684	Active
Ramah-Pinehill Community RNUA	Ramah	684	Inactive
Cornfields NTUA	—	675	Inactive
Shonto Preparatory Boarding School BIA	Shonto	664	Active
Coyote Canyon-Bass Lake NTUA	Ft Defiance	622	Active
Newcomb NTUA	Ft Defiance	602	Active
Dalton Pass OM	—	587	Inactive
Red Valley South NTUA	—	539	Inactive
Kayenta Community Boarding School BIA	Kayenta	500	Active
Lukachukai Community School new	Lukachukai	500	Active
Pinon Community Dormitory School BIA	Pinon	500	Active
White Mesa NTUA	Fort Defiance	496	Active
White Rock-Lake Valley NTUA	Ft Defiance	492	Active
Dilcon Community Boarding School BIA	Winslow	473	Active
Lukachukai Community Boarding School BIA	Lukachukai	472	Inactive
Dzilth-Na-O-Dith-Hle NTUA	Ft Defiance	462	Active
Rough Rock NTUA	Ft Defiance	455	Active
Sheepsprings South NTUA	—	440	Inactive
Montezuma Creek NTUA	Ft Defiance	424	Active
Kitsillie-Black Mesa NTUA	Ft Defiance	414	Active
Kaibeto (Upper) Boarding School BIA	Kaibeto	400	Active
Buffalo Springs NTUA	Ft Defiance	397	Active
Shonto NTUA	Ft Defiance	397	Active
Round Rock Elementary School	Teec Nos Pos	396	Active
Coal Mine Mesa NTUA	Fort Defiance	393	Active
Oak Springs NTUA (south of Hunters Point)	Ft Defiance	390	Active
Baca-Haystack NTUA	Ft Defiance	376	Active
Thoreau Chapter House	—	360	Inactive
Mittenrock NTUA	Ft Defiance	352	Active
Many Farms NTUA	—	350	Inactive
Ganado Mission - Sage Memorial Hospital	Ganado	349	Active
Chuska Community Boarding School BIA	Tohatchi	348	Active
Jones Ranch School BIA	—	345	Inactive
Coppermine NTUA	Ft Defiance	342	Active
Low Mountain Boarding School BIA	Pinon	339	Active
Wheatfields NTUA	Ft Defiance	321	Active
Monument Valley Mission - Hospital	Monument Valley	303	Active
Todahaidekani NTUA	Ft Defiance	301	Active
Dennehotso Boarding School BIA	Dennehotso	300	Active
Gouldings Trading Post and Lodge	Monument Valley	300	Active
Pueblo Pintado (New) Community School BIA	—	300	Inactive
Teec Nos Pos Community Boarding School BIA	Teec Nos Pos	300	Active
Tonalea (Red Lake) Day School BIA	Tonalea	300	Active
Holly Village NTUA	—	297	Inactive
Mexican Water NTUA	Ft Defiance	294	Active
Ramah-Sunset Valley RNUA	Pinehill	294	Active
Long House Valley NTUA	Ft Defiance	277	Active
Whitehorse Lake NTUA	Ft Defiance	277	Active
Mexican Springs West Rural NTUA	Ft Defiance	257	Active
Rainbow Village-Navajo Mountain NTUA	Ft Defiance	255	Inactive
Leupp Contract Boarding School BIA	Winslow	250	Active
Rocky Ridge Boarding School BIA	Kykotsmovi	250	Active
Seba Dalkai Boarding School BIA	Winslow	250	Active
Crystal Community Boarding School BIA	Navajo	248	Active
Tohatchi Public School	Tohatchi	240	Active
Mexican Hat NTUA	Ft Defiance	239	Active
Forest Lake NTUA	Ft Defiance	233	Active
Nazlini Community Boarding School BIA	Ganado	230	Active
Pine Springs NTUA	Ft Defiance	222	Active
Chinle USD 24 Administration Center	Chinle	220	Active
El Paso Natural Gas - Cornfields-Navajo Station	—	220	Inactive
Ramah-Mountain View RNUA	Pinehill	215	Active
Wide Ruins Community Boarding School BIA	Chambers	215	Active
Littlewater (San Juan County NM) NTUA	—	212	Inactive
Casa Del Eco Mesa NTUA	Ft Defiance	211	Active
Alamo-Alamo Springs	Alamo	210	Active
La Vida Mission	—	200	Inactive
Mexican Springs East NTUA	—	200	Inactive
Rough Rock Demonstration School BIA	Chinle	200	Active
Taliman Springs OM	—	200	Inactive
Toadlena Boarding School BIA	Newcomb	200	Active
Aneth Community School BIA	Montezuma Creek	192	Active
Cottonwood Day School BIA	Chinle	185	Active
White Post Mission NTUA	Ft Defiance	185	Active
Black Springs Wash-Deer Springs NTUA	—	176	Inactive
Hunters Point Boarding School BIA	Saint Michaels	173	Active
Ramah-Ramah Rural RNUA	Pinehill	165	Active
Navajo Mountain Community Boarding School BIA	Tonalea	163	Active
Mariano Lake Community School BIA	Crownpoint	160	Active
Chilchinbeto Community Day School BIA	Kayenta	138	Active
Keyah 1 NAPI NTUA	Ft Defiance	133	Active
Oaksprings 12T-514 NTUA (north of Red Valley)	—	127	Inactive
Tsé Yí Gai High School	—	126	Inactive
Pine Springs Day School BIA	Houck	122	Active
Beclabito Day School BIA	Shiprock	120	Active
Three Mile Post NTUA	—	120	Inactive
Chichiltah NTUA	—	105	Inactive
Former Pueblo Pintado Boarding School BIA	Cuba	103	Active
Bass Lake OM	Ft. Defiance	100	Inactive
El Paso Natural Gas - Window Rock-St Michaels	—	100	Inactive
Red Rock Chapter OM	—	100	Inactive
Lupton South NTUA	—	94	Inactive
Kinlichee Staff Housing BIA	Ganado	80	Active
Navajo Mountain Chapter House	—	80	Inactive
Nenahnezad Community School BIA	Fruitland	80	Active
Riverview Trailer Park	—	80	Inactive
Ramona Smith Water Users Group Inc	Tohatchi	77	Active
Sweetwater Chapter House	—	75	Inactive
Cove Day School BIA	Red Valley	73	Inactive
Crystal-Yazzie Springs OM	—	72	Inactive
Rare Metals NTUA	Fort Defiance	72	Active
Manuelito Chapter House OM	Fort Defiance	66	Inactive
Moenave Community	Fort Defiance	65	Active
St Michaels South NTUA	—	60	Inactive
Cane Valley NTUA	Ft Defiance	58	Active
Alamo-Secatero Camp Drinking Water System	—	55	Inactive
Canyon De Chelly National Monument	Chinle	55	Active
Red Rock (Red Valley) Day School BIA	Red Valley	55	Active
Kerr McGee Camp OM	—	50	Inactive
Navajo Mountain Health Clinic	—	50	Inactive
Shonto Chapter House	—	50	Inactive
Boardman Loop NTUA	Ft Defiance	48	Active
Burnham OM	Ft. Defiance	48	Inactive
Casamero Cup NTUA	Ft Defiance	48	Active
Coyote Canyon Chapter House	—	48	Inactive
Navajo Springs 3A-189A OM	—	45	Inactive
Baby Rocks NTUA	Ft Defiance	44	Active
Mulholland Well OM	—	30	Inactive
Whitehorse Lake Chapter House OM	—	30	Inactive
Alamo-Chavez Springs	Alamo	28	Active

Showing the 200 largest of 213 systems on record, by population served. Browse by county above for the full list — every system has its own page, and all of them are in the sitemap.