Skip to content
AquaCensus

Sandoval County, New Mexico — public water systems

At a glance

62 active public water systems are filed under Sandoval County, New Mexico in EPA's SDWIS records, together reporting 135,215 people served. The largest is Rio Rancho Water & Ww Services, which reports serving 107,350 people. 28 are community water systems serving people where they live; the other 34 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

62

Population served

135.2K

Community systems

28

Groundwater share

96.8%

How does Sandoval County compare with other New Mexico counties?

Sandoval County has the 6th-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 135,215 people served in total, the 4th-largest county figure in the state and 6.2% of the statewide total. The average system here reports serving 2,181 people, about 16% above 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 Sandoval County's drinking water come from?

By primary water source, Sandoval County's active systems draw on groundwater (59, 95%), surface water (1, 1.6%), purchased surface water (1, 1.6%) and groundwater under influence of surface water (1, 1.6%). Overall, 97% rely mainly on groundwater (including purchased groundwater) and 3.2% 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, Rio Rancho Water & Ww Services, draws primarily on purchased surface water.

What kinds of water systems operate in Sandoval County?

Sandoval County's active systems break down as 28 community systems (45%), 10 non-transient non-community systems (16%) and 24 transient non-community systems (39%). 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 (50%), local government (39%), federal government (8.1%) and state government (3.2%).

The 50 largest water systems in Sandoval County

🔒 Create a free account to export CSV
Active public water systems in Sandoval County, New Mexico
#Water systemCountyPopulation servedTypeSource
1Rio Rancho Water & Ww ServicesSandoval107,350CommunityPurchased surface water
2Bernalillo Water SystemSandoval10,948CommunityGroundwater
3Cuba Water SystemSandoval1,789CommunityGroundwater
4Jemez Springs DwuaSandoval1,385CommunityGroundwater
5Regina MdwcaSandoval705CommunityGroundwater
6Pena Blanca Water & Sanitation DistrictSandoval700CommunityGroundwater
7North Ranchos De Placitas W&SdSandoval659CommunityGroundwater
8La Mesa Water CoopSandoval650CommunityGroundwater
9Las Acequias De PlacitasSandoval596CommunityGroundwater
10Ponderosa MdwcaSandoval567CommunityGroundwater under influence of surface water
11Corrales Elementary SchoolSandoval565Non-transient non-communityGroundwater
12La Jara Water Users AssociationSandoval458CommunitySurface water
13Algodones WuaSandoval416CommunityGroundwater
14Anasazi Trails Water Co-OpSandoval400CommunityGroundwater
15Ranchos De Placitas Sanitation DistrictSandoval374CommunityGroundwater
16Placitas Trails Water CoopSandoval355CommunityGroundwater
17Jemez Valley Public SchoolsSandoval350Non-transient non-communityGroundwater
18Frontier Mart Inc.Sandoval350Transient non-communityGroundwater
19Canon MdwcaSandoval320CommunityGroundwater
20San Luis Cabezon MdwcaSandoval320CommunityGroundwater
21Hannah and Nate'S Market CafeSandoval300Transient non-communityGroundwater
22Sierra Los Pinos HoaSandoval300CommunityGroundwater
23Homestead VillageSandoval290Non-transient non-communityGroundwater
24Cochiti Elementary SchoolSandoval260Non-transient non-communityGroundwater
25Jemez Falls Campground Usfs SnfSandoval260Transient non-communityGroundwater
26La Cueva Business Owners AssociationSandoval250Transient non-communityGroundwater
27Cottonwood MontessoriSandoval240Non-transient non-communityGroundwater
28Rancho Del Chaparral Girl Scout CampSandoval240Transient non-communityGroundwater
29Overlook Water Co-Op Inc.Sandoval209CommunityGroundwater
30Corrales Multi-Purpose Recreational CntSandoval205Transient non-communityGroundwater
31Village PizzaSandoval190Transient non-communityGroundwater
32Las Placitas Presbyterian ChurchSandoval180Non-transient non-communityGroundwater
33Pueblo Los CerrosSandoval180CommunityGroundwater
34Desert Sky Mountain Water CooperativeSandoval177CommunityGroundwater
35Sandia View Christian SchoolSandoval175Non-transient non-communityGroundwater
36San Ysidro Water Supply SystemSandoval166CommunityGroundwater
37Sile MdwcaSandoval154CommunityGroundwater
38San Antonio Campground Usfs Santa FeSandoval150Transient non-communityGroundwater
39Hummingbird Music CampSandoval150Transient non-communityGroundwater
40Fenton Lake State ParkSandoval150Transient non-communityGroundwater
41Cedar Creek Water Cooperative Inc.Sandoval141CommunityGroundwater
42Vista De Oro De Placitas Water Users CooSandoval138CommunityGroundwater
43Camp Shaver YmcaSandoval125Transient non-communityGroundwater
44Placitas Elementary SchoolSandoval121Non-transient non-communityGroundwater
45Tetilla Peak Recreation AreaSandoval108Transient non-communityGroundwater
46Placitas West Water Co-OpSandoval106CommunityGroundwater
47Cochiti Lake Recreation AreaSandoval105Transient non-communityGroundwater
48American Gypsum Company (Bernalillo PlanSandoval100Non-transient non-communityGroundwater
49Sandia BarSandoval100Transient non-communityGroundwater
50Village PlazaSandoval100Transient non-communityGroundwater

All other water systems in Sandoval County (12)

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

Sandoval County water systems: frequently asked questions

How many public water systems are in Sandoval County, New Mexico?

EPA's SDWIS records file 62 active public water systems under Sandoval County, New Mexico: 28 community systems (45%), 10 non-transient non-community systems (16%) and 24 transient non-community systems (39%).

Who supplies drinking water in Sandoval County, NM?

The largest community water systems filed under Sandoval County are Rio Rancho Water & Ww Services (107,350 people served), Bernalillo Water System (10,948 people served) and Cuba Water System (1,789 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 Sandoval County's drinking water come from groundwater or surface water?

Of the 62 active public water systems in Sandoval County, 97% draw mainly on groundwater and 3.2% on surface water, counting purchased supplies. The largest system, Rio Rancho Water & Ww Services, uses purchased surface water.

Where can I find a water quality report for Sandoval 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. 28 community systems are filed under Sandoval 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 Sandoval 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 Sandoval County, New Mexico”, https://aquacensus.com/water-systems/new-mexico/sandoval (data as of October 1, 2026).