Taos County, New Mexico — public water systems
At a glance
94 active public water systems are filed under Taos County, New Mexico in EPA's SDWIS records, together reporting 25,046 people served. The largest is Taos Municipal Water System, which reports serving 5,528 people. 43 are community water systems serving people where they live; the other 51 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
94
Population served
25K
Community systems
43
Groundwater share
100%
How does Taos County compare with other New Mexico counties?
Taos County has the most active public water systems among the 49 counties listed for active New Mexico systems in EPA records; among the 31 with 3 or more systems, the median has 23. Its systems report 25,046 people served in total, the 18th-largest county figure in the state and 1.1% of the statewide total. The average system here reports serving 266 people, well below the New Mexico average of 1,885. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Taos County's drinking water come from?
By primary water source, Taos County's active systems draw on groundwater (90, 96%), purchased groundwater (3, 3.2%) and groundwater under influence of surface water (1, 1.1%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 93% and 7.2% across New Mexico. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Taos Municipal Water System, draws primarily on groundwater.
What kinds of water systems operate in Taos County?
Taos County's active systems break down as 43 community systems (46%), 11 non-transient non-community systems (12%) and 40 transient non-community systems (43%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (51%), local government (38%), federal government (9.6%) and state government (1.1%).
The 50 largest water systems in Taos County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Taos Municipal Water System | Taos | 5,528 | Community | Groundwater |
| 2 | Questa Water System | Taos | 2,337 | Community | Groundwater |
| 3 | El Prado Water & Sanitation District | Taos | 1,076 | Community | Groundwater |
| 4 | Village of Taos Ski Valley | Taos | 1,025 | Community | Groundwater |
| 5 | Llano Quemado Mdwca | Taos | 800 | Community | Groundwater |
| 6 | Ranchos De Taos Mdwca | Taos | 750 | Community | Groundwater |
| 7 | Talpa Mdwca | Taos | 700 | Community | Groundwater |
| 8 | Red River Water System | Taos | 679 | Community | Groundwater |
| 9 | Chamisal Mdwca | Taos | 550 | Community | Groundwater |
| 10 | Penasco Mdwca | Taos | 549 | Community | Groundwater |
| 11 | Arroyo Seco Mdwca | Taos | 444 | Community | Groundwater |
| 12 | Union Del Llano Mdwca | Taos | 400 | Community | Groundwater |
| 13 | Mesa Vista Consolidated Schools | Taos | 400 | Non-transient non-community | Groundwater |
| 14 | Ranchos Elementary School | Taos | 390 | Non-transient non-community | Groundwater |
| 15 | Valle Escondido Homeowners Association | Taos | 354 | Community | Groundwater |
| 16 | Tres Piedras Mdwca | Taos | 350 | Community | Groundwater |
| 17 | Rio Lucio Mdwca | Taos | 342 | Community | Groundwater |
| 18 | Martinez Plaza | Taos | 330 | Transient non-community | Groundwater |
| 19 | Lower Des Montes Mdwca | Taos | 319 | Community | Groundwater |
| 20 | Taos Spa and Tennis Club | Taos | 300 | Transient non-community | Groundwater |
| 21 | Chevron Mining Inc. Questa Mine | Taos | 300 | Non-transient non-community | Groundwater |
| 22 | Taos County Economic Development Center | Taos | 300 | Non-transient non-community | Groundwater |
| 23 | Sipapu Lodge and Cafe | Taos | 250 | Transient non-community | Groundwater under influence of surface water |
| 24 | Costilla Mdwca | Taos | 244 | Community | Groundwater |
| 25 | El Salto Mdwca and Sa | Taos | 232 | Community | Groundwater |
| 26 | Cerro Regional Mdwca/Swa | Taos | 232 | Community | Groundwater |
| 27 | Ojo Caliente Mdwca | Taos | 226 | Community | Groundwater |
| 28 | Upper Ranchitos Mdwcasw | Taos | 222 | Community | Groundwater |
| 29 | Upper Des Montes Mdwca | Taos | 222 | Community | Groundwater |
| 30 | Duranes Y Gavilan Mdwca | Taos | 215 | Community | Groundwater |
| 31 | Canon Mdwca | Taos | 200 | Community | Groundwater |
| 32 | Ojo Caliente Mineral Springs | Taos | 200 | Non-transient non-community | Groundwater |
| 33 | Upper Arroyo Hondo Mdwca | Taos | 195 | Community | Groundwater |
| 34 | Lower Arroyo Hondo Mdwca | Taos | 180 | Community | Groundwater |
| 35 | San Cristobal Mdwca | Taos | 165 | Community | Groundwater |
| 36 | Enchanted Mobile Home Park | Taos | 150 | Community | Groundwater |
| 37 | Fort Burgwin Research Center | Taos | 138 | Transient non-community | Groundwater |
| 38 | Trampas Mdwca | Taos | 132 | Community | Groundwater |
| 39 | Agua Piedra Camp Ground Usfs Carson | Taos | 124 | Transient non-community | Groundwater |
| 40 | Rodarte Mdwca | Taos | 115 | Community | Groundwater |
| 41 | West Rim Mdwua | Taos | 113 | Community | Groundwater |
| 42 | Vadito Mdwca | Taos | 111 | Community | Groundwater |
| 43 | Rio Grande Gorge Visitor Center (Blm) | Taos | 109 | Transient non-community | Groundwater |
| 44 | Vigils Trailer Park | Taos | 105 | Community | Groundwater |
| 45 | Subway | Taos | 100 | Transient non-community | Groundwater |
| 46 | Valdez Mdwca | Taos | 100 | Community | Groundwater |
| 47 | Taos Country Club | Taos | 100 | Transient non-community | Groundwater |
| 48 | El Pueblo Lodge | Taos | 100 | Transient non-community | Groundwater |
| 49 | Taos Mesa Brewing | Taos | 100 | Transient non-community | Groundwater |
| 50 | Arroyos Del Norte Elementary School | Taos | 100 | Non-transient non-community | Groundwater |
All other water systems in Taos County (44)
The remaining active systems filed under Taos County, largest first, with the population each reports serving.
- Baskin Robbins Taos100
- Whistle Stop100
- Tall Pines Resort100
- Rio Grande Ace Hardware100
- La Lomita Trailer Park97
- Anansi Charter School95
- Medley80
- Sanchez Mobile Home Park80
- Predock Condominiums75
- El Rancho MHP Taos72
- Las Haciendas Homeowners Wua72
- Rio Valley Enterprises65
- Santa Barbara Campground Usfs Carson62
- Austing Haus60
- Taos Rv Park60
- Taos Motel57
- Fawn Lakes and Elephant Rock Cg Usfs55
- Guadalajara South50
- Pizanos Restaurant50
- Junebug Campground - Usfs -50
- Ski Tip Restaurant50
- Taos East Condominiums50
- Las Colonias MHP49
- El Valle De Los Ranchos W & Sd48
- Wild Rivers Headquarters (Blm)48
- La Lama Mdwca45
- Casa Valdez45
- Rio Bravo Campground (Blm)42
- Columbine Campground Usfs Carson40
- Taos Valley Rv Park40
- Pilar Campground (Blm)38
- La Fonda Hotel37
- Eagle Rock Village35
- Bmg Trailer Park30
- Columbine Inn30
- Imerys Perlite30
- Quail Ridge30
- La Vida Feliz Condo Association26
- Lama Foundation25
- Rio Grande Gorge Rest Area25
- Fa Yun Prajna Monastery25
- Monte Bello Rv Park25
- Taos Inn25
- Taos Tennis Ranch, LLC25
Taos County water systems: frequently asked questions
How many public water systems are in Taos County, New Mexico?
EPA's SDWIS records file 94 active public water systems under Taos County, New Mexico: 43 community systems (46%), 11 non-transient non-community systems (12%) and 40 transient non-community systems (43%).
Who supplies drinking water in Taos County, NM?
The largest community water systems filed under Taos County are Taos Municipal Water System (5,528 people served), Questa Water System (2,337 people served) and El Prado Water & Sanitation District (1,076 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Taos County's drinking water come from groundwater or surface water?
Of the 94 active public water systems in Taos County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Taos Municipal Water System, uses groundwater.
Where can I find a water quality report for Taos County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 43 community systems are filed under Taos County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Taos County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More New Mexico water systems
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Public water systems in Taos County, New Mexico”, https://aquacensus.com/water-systems/new-mexico/taos (data as of October 1, 2026).