Rio Arriba County, New Mexico — public water systems

63 active public water systems serve Rio Arriba County, reporting 29.3K people served.

Dataset updated July 2026 . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

Population served

29.3K

Community systems

Groundwater share

90.5%

Water systems in Rio Arriba County

Active public water systems in Rio Arriba County, New Mexico
#	Water system	County	Population served	Type	Source
1	Espanola Water System	Rio Arriba	12,012	Community	Groundwater
2	Chama Water System	Rio Arriba	1,573	Community	Surface water
3	Agua Sana Wua	Rio Arriba	1,514	Community	Groundwater
4	El Rito Regional Water & Waste Water Asn	Rio Arriba	1,200	Community	Groundwater
5	Greater Chimayo Mdwca	Rio Arriba	1,050	Community	Groundwater
6	Alcalde Mdwca	Rio Arriba	927	Community	Groundwater
7	Chamita Mdwca	Rio Arriba	902	Community	Groundwater
8	Truchas Mdwca	Rio Arriba	629	Community	Groundwater
9	Velarde Mdwca	Rio Arriba	543	Community	Groundwater
10	Dixon Mdwca	Rio Arriba	500	Community	Groundwater
11	Tierra Amarilla Mdwca	Rio Arriba	470	Community	Groundwater
12	Canjilon Water System	Rio Arriba	469	Community	Groundwater
13	Abiquiu Mdwca	Rio Arriba	420	Community	Groundwater
14	Brazos Mdwca	Rio Arriba	360	Transient non-community	Groundwater
15	Bpoe 1747 Recreation Area	Rio Arriba	357	Transient non-community	Groundwater
16	Cebolla Mdwca	Rio Arriba	350	Community	Groundwater
17	Cordova Mdwca	Rio Arriba	325	Community	Groundwater
18	El Rito Canyon Mdwca	Rio Arriba	300	Community	Groundwater
19	Ensenada Mdwca	Rio Arriba	300	Community	Groundwater
20	Coronado High School	Rio Arriba	263	Community	Groundwater
21	Chimayo Elementary School	Rio Arriba	250	Non-transient non-community	Groundwater
22	Los Ojos Mdwca	Rio Arriba	237	Community	Groundwater
23	Escalante High School	Rio Arriba	225	Non-transient non-community	Groundwater
24	Ojo Sarco Mdwca	Rio Arriba	225	Community	Groundwater
25	Lumberton Mdwca	Rio Arriba	223	Community	Surface water
26	Capulin Mdwca	Rio Arriba	215	Community	Groundwater
27	Echo Amphitheater Usfs Carson	Rio Arriba	205	Transient non-community	Groundwater
28	Valley Estates Water & Sewer Association	Rio Arriba	194	Community	Groundwater
29	Abiquiu Inn	Rio Arriba	191	Transient non-community	Groundwater
30	Lybrook Mdwca	Rio Arriba	175	Community	Groundwater
31	Rio Embudo Mdwca	Rio Arriba	159	Community	Groundwater
32	Ghost Ranch Conference Center	Rio Arriba	150	Non-transient non-community	Groundwater
33	Heron Lake State Park (Surface Water)	Rio Arriba	150	Transient non-community	Surface water
34	Canones Mdwca	Rio Arriba	150	Community	Groundwater
35	Apodaca Mdwca	Rio Arriba	129	Community	Groundwater
36	Rio Arriba County Detention Center	Rio Arriba	128	Non-transient non-community	Groundwater
37	Abiquiu Elementary School	Rio Arriba	125	Non-transient non-community	Groundwater
38	La Madera Mdwca	Rio Arriba	124	Community	Groundwater
39	Navajo Lake State Park - Sims Mesa	Rio Arriba	110	Transient non-community	Surface water
40	Abiquiu Dam	Rio Arriba	100	Transient non-community	Groundwater
41	El Vado Lake State Park	Rio Arriba	100	Transient non-community	Surface water
42	Gallina Water System	Rio Arriba	99	Community	Groundwater
43	Barranco Mdwca	Rio Arriba	97	Community	Groundwater
44	Chama West Water Users Association	Rio Arriba	90	Community	Groundwater
45	Rutheron Mutual Water Association	Rio Arriba	90	Community	Groundwater under influence of surface water
46	Lindrith Community Water Coop Inc.	Rio Arriba	85	Community	Groundwater
47	Vallecitos Mdwca	Rio Arriba	84	Community	Surface water
48	Delancey Street Foundation	Rio Arriba	83	Community	Groundwater
49	Coyote Mdwca	Rio Arriba	77	Community	Groundwater
50	Mccurdy School	Rio Arriba	62	Non-transient non-community	Groundwater