Skip to content
AquaCensus

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
Active public water systems in Taos County, New Mexico
#Water systemCountyPopulation servedTypeSource
1Taos Municipal Water SystemTaos5,528CommunityGroundwater
2Questa Water SystemTaos2,337CommunityGroundwater
3El Prado Water & Sanitation DistrictTaos1,076CommunityGroundwater
4Village of Taos Ski ValleyTaos1,025CommunityGroundwater
5Llano Quemado MdwcaTaos800CommunityGroundwater
6Ranchos De Taos MdwcaTaos750CommunityGroundwater
7Talpa MdwcaTaos700CommunityGroundwater
8Red River Water SystemTaos679CommunityGroundwater
9Chamisal MdwcaTaos550CommunityGroundwater
10Penasco MdwcaTaos549CommunityGroundwater
11Arroyo Seco MdwcaTaos444CommunityGroundwater
12Union Del Llano MdwcaTaos400CommunityGroundwater
13Mesa Vista Consolidated SchoolsTaos400Non-transient non-communityGroundwater
14Ranchos Elementary SchoolTaos390Non-transient non-communityGroundwater
15Valle Escondido Homeowners AssociationTaos354CommunityGroundwater
16Tres Piedras MdwcaTaos350CommunityGroundwater
17Rio Lucio MdwcaTaos342CommunityGroundwater
18Martinez PlazaTaos330Transient non-communityGroundwater
19Lower Des Montes MdwcaTaos319CommunityGroundwater
20Taos Spa and Tennis ClubTaos300Transient non-communityGroundwater
21Chevron Mining Inc. Questa MineTaos300Non-transient non-communityGroundwater
22Taos County Economic Development CenterTaos300Non-transient non-communityGroundwater
23Sipapu Lodge and CafeTaos250Transient non-communityGroundwater under influence of surface water
24Costilla MdwcaTaos244CommunityGroundwater
25El Salto Mdwca and SaTaos232CommunityGroundwater
26Cerro Regional Mdwca/SwaTaos232CommunityGroundwater
27Ojo Caliente MdwcaTaos226CommunityGroundwater
28Upper Ranchitos MdwcaswTaos222CommunityGroundwater
29Upper Des Montes MdwcaTaos222CommunityGroundwater
30Duranes Y Gavilan MdwcaTaos215CommunityGroundwater
31Canon MdwcaTaos200CommunityGroundwater
32Ojo Caliente Mineral SpringsTaos200Non-transient non-communityGroundwater
33Upper Arroyo Hondo MdwcaTaos195CommunityGroundwater
34Lower Arroyo Hondo MdwcaTaos180CommunityGroundwater
35San Cristobal MdwcaTaos165CommunityGroundwater
36Enchanted Mobile Home ParkTaos150CommunityGroundwater
37Fort Burgwin Research CenterTaos138Transient non-communityGroundwater
38Trampas MdwcaTaos132CommunityGroundwater
39Agua Piedra Camp Ground Usfs CarsonTaos124Transient non-communityGroundwater
40Rodarte MdwcaTaos115CommunityGroundwater
41West Rim MdwuaTaos113CommunityGroundwater
42Vadito MdwcaTaos111CommunityGroundwater
43Rio Grande Gorge Visitor Center (Blm)Taos109Transient non-communityGroundwater
44Vigils Trailer ParkTaos105CommunityGroundwater
45SubwayTaos100Transient non-communityGroundwater
46Valdez MdwcaTaos100CommunityGroundwater
47Taos Country ClubTaos100Transient non-communityGroundwater
48El Pueblo LodgeTaos100Transient non-communityGroundwater
49Taos Mesa BrewingTaos100Transient non-communityGroundwater
50Arroyos Del Norte Elementary SchoolTaos100Non-transient non-communityGroundwater

All other water systems in Taos County (44)

The remaining active systems filed under Taos County, largest first, with the population each reports serving.

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).