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Rio Grande County, Colorado — public water systems

At a glance

48 active public water systems are filed under Rio Grande County, Colorado in EPA's SDWIS records, together reporting 13,885 people served. The largest is City of Monte Vista, which reports serving 4,600 people. 8 are community water systems serving people where they live; the other 40 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

48

Population served

13.9K

Community systems

8

Groundwater share

100%

How does Rio Grande County compare with other Colorado counties?

Rio Grande County has the 17th-most active public water systems among the 113 counties listed for active Colorado systems in EPA records; among the 65 with 3 or more systems, the median has 18. Its systems report 13,885 people served in total, the 37th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 289 people, well below the Colorado average of 3,400. 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 Rio Grande County's drinking water come from?

By primary water source, Rio Grande County's active systems draw on groundwater (47, 98%) and groundwater under influence of surface water (1, 2.1%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 74% and 26% across Colorado. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Monte Vista, draws primarily on groundwater.

What kinds of water systems operate in Rio Grande County?

Rio Grande County's active systems break down as 8 community systems (17%), 3 non-transient non-community systems (6.3%) and 37 transient non-community systems (77%). 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 (83%), local government (15%) and federal government (2.1%).

Water systems in Rio Grande County

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Active public water systems in Rio Grande County, Colorado
#Water systemCountyPopulation servedTypeSource
1Monte Vista City ofRio Grande4,600CommunityGroundwater
2Fun Valley ResortRio Grande1,723Transient non-communityGroundwater
3Del Norte Town ofRio Grande1,429CommunityGroundwater
4South Fork Rickel ParkRio Grande804Transient non-communityGroundwater
5South Fork West Municipal Town ofRio Grande566CommunityGroundwater
6Sargent Elem and New High School Re33Rio Grande426Non-transient non-communityGroundwater
7Worth the Drive BakeryRio Grande392Transient non-communityGroundwater
8Rainbow GroceryRio Grande368Transient non-communityGroundwater
9Rio Grande Water CompanyRio Grande265CommunityGroundwater under influence of surface water
10Mountain Sweet TreatsRio Grande257Transient non-communityGroundwater
11Riviere EstatesRio Grande211CommunityGroundwater
12Sargent High School GymRio Grande200Transient non-communityGroundwater
13Riverbend ResortRio Grande192Transient non-communityGroundwater
14Rainbow Lodge and Rv ParkRio Grande158Transient non-communityGroundwater
15Monte Vista Co OpRio Grande150Non-transient non-communityGroundwater
16Movie Manor MotelRio Grande139Transient non-communityGroundwater
17Tiny Timbers ResortRio Grande136Transient non-communityGroundwater
18Indian Trails Water LLCRio Grande110CommunityGroundwater
19New Hope ChurchRio Grande100Transient non-communityGroundwater
20Foothills WsRio Grande96Transient non-communityGroundwater
21Rio Grande Meadows Rv ParkRio Grande87Transient non-communityGroundwater
22Beaver Mtn EstatesRio Grande86Transient non-communityGroundwater
23Alpine Trails Rv ParkRio Grande84Transient non-communityGroundwater
24Emmanuel ChapelRio Grande82Transient non-communityGroundwater
25Ramons MexicanRio Grande75Transient non-communityGroundwater
26Deer Park Owners AssocRio Grande75Transient non-communityGroundwater
27Aspen Ridge Rv ParkRio Grande74Transient non-communityGroundwater
28South Fork LodgeRio Grande73Transient non-communityGroundwater
29Mill Creek Water CompanyRio Grande72Transient non-communityGroundwater
30Hidden Springs EstatesRio Grande70Transient non-communityGroundwater
31Del Norte OfficeRio Grande69Transient non-communityGroundwater
32Wayforward AdventuresRio Grande66Transient non-communityGroundwater
33Four Seasons LodgeRio Grande65Transient non-communityGroundwater
34Chinook Cabins & Rv ParkRio Grande58Transient non-communityGroundwater
35Los ChavalosRio Grande55Transient non-communityGroundwater
36South Fork Community BuildingRio Grande50Transient non-communityGroundwater
37Monte Vista Congregation of Jehovah'S WiRio Grande50Transient non-communityGroundwater
38South Fork Ute Bluff Lodge Inc.Rio Grande47Transient non-communityGroundwater
39San Luis Valley Research CenterRio Grande45Non-transient non-communityGroundwater
40Gone RogueRio Grande45Transient non-communityGroundwater
41Beaver Creek Youth CampRio Grande37Transient non-communityGroundwater
42Pacheco Trailer ParkRio Grande36CommunityGroundwater
43Spruce LodgeRio Grande32Transient non-communityGroundwater
44G and M Mobile Home ParkRio Grande30CommunityGroundwater
45Masonic Park AssociationRio Grande30Transient non-communityGroundwater
46Wolf Creek LodgeRio Grande27Transient non-communityGroundwater
47Town of South Fork (Jackson Heights)Rio Grande26Transient non-communityGroundwater
48Log Haven Properties Inc.Rio Grande17Transient non-communityGroundwater

Rio Grande County water systems: frequently asked questions

How many public water systems are in Rio Grande County, Colorado?

EPA's SDWIS records file 48 active public water systems under Rio Grande County, Colorado: 8 community systems (17%), 3 non-transient non-community systems (6.3%) and 37 transient non-community systems (77%).

Who supplies drinking water in Rio Grande County, CO?

The largest community water systems filed under Rio Grande County are City of Monte Vista (4,600 people served), Town of Del Norte (1,429 people served) and Town of South Fork West Municipal (566 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 Rio Grande County's drinking water come from groundwater or surface water?

Of the 48 active public water systems in Rio Grande County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Monte Vista, uses groundwater.

Where can I find a water quality report for Rio Grande 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. 8 community systems are filed under Rio Grande 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 Rio Grande 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 Colorado 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 Rio Grande County, Colorado”, https://aquacensus.com/water-systems/colorado/rio-grande (data as of October 1, 2026).