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San Miguel County, Colorado — public water systems

At a glance

20 active public water systems are filed under San Miguel County, Colorado in EPA's SDWIS records, together reporting 22,054 people served. The largest is Town of Mountain Village, which reports serving 9,700 people. 12 are community water systems serving people where they live; the other 8 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

20

Population served

22.1K

Community systems

12

Groundwater share

80%

How does San Miguel County compare with other Colorado counties?

San Miguel County has the 31st-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 22,054 people served in total, the 30th-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 1,103 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 San Miguel County's drinking water come from?

By primary water source, San Miguel County's active systems draw on groundwater (15, 75%), surface water (4, 20%) and groundwater under influence of surface water (1, 5%). Overall, 80% rely mainly on groundwater (including purchased groundwater) and 20% 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, Town of Mountain Village, draws primarily on groundwater.

What kinds of water systems operate in San Miguel County?

San Miguel County's active systems break down as 12 community systems (60%) and 8 transient non-community systems (40%). 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 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 (35%) and federal government (15%).

Water systems in San Miguel County

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Active public water systems in San Miguel County, Colorado
#Water systemCountyPopulation servedTypeSource
1Mountain Village Town ofSan Miguel9,700CommunityGroundwater
2Telluride Town ofSan Miguel7,900CommunitySurface water
3Norwood Water CommissionSan Miguel1,700CommunitySurface water
4Telluride Regional AirportSan Miguel485Transient non-communityGroundwater
5Aldasoro Ranch HocSan Miguel412CommunityGroundwater
6Ilium Valley WsSan Miguel322CommunityGroundwater
7Wilson MesaSan Miguel290CommunitySurface water
8Ophir Town ofSan Miguel193CommunitySurface water
9Bivvi HostelSan Miguel162Transient non-communityGroundwater
10San Bernardo HoaSan Miguel132CommunityGroundwater
11Elk Run Homeowners CorporationSan Miguel125CommunityGroundwater
12Down Valley ParkSan Miguel125Transient non-communityGroundwater
13Telluride Ski Lift 5San Miguel106Transient non-communityGroundwater
14Placerville ParkSan Miguel100Transient non-communityGroundwater
15Last Dollar PUDSan Miguel96CommunityGroundwater
16Sawpit Town ofSan Miguel59CommunityGroundwater
17Matterhorn CgSan Miguel50Transient non-communityGroundwater
18Sunshine CgSan Miguel46Transient non-communityGroundwater
19Woods Lake CgSan Miguel26Transient non-communityGroundwater
20Telluride Pines HoaSan Miguel25CommunityGroundwater under influence of surface water

San Miguel County water systems: frequently asked questions

How many public water systems are in San Miguel County, Colorado?

EPA's SDWIS records file 20 active public water systems under San Miguel County, Colorado: 12 community systems (60%) and 8 transient non-community systems (40%).

Who supplies drinking water in San Miguel County, CO?

The largest community water systems filed under San Miguel County are Town of Mountain Village (9,700 people served), Town of Telluride (7,900 people served) and Norwood Water Commission (1,700 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 San Miguel County's drinking water come from groundwater or surface water?

Of the 20 active public water systems in San Miguel County, 80% draw mainly on groundwater and 20% on surface water, counting purchased supplies. The largest system, Town of Mountain Village, uses groundwater.

Where can I find a water quality report for San Miguel 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. 12 community systems are filed under San Miguel 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 San Miguel 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 San Miguel County, Colorado”, https://aquacensus.com/water-systems/colorado/san-miguel (data as of October 1, 2026).