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Public water system · CO0125352

Active

Hot Sulphur Springs Town of

At a glance

Town of Hot Sulphur Springs (PWSID CO0125352) is an active community water system in Grand County, Colorado. It reports serving 687 people through 342 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

687

Service connections

342

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDCO0125352
System typeCommunity water system
Activity statusActive
Population served687
Service connections342
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyGrand County

How does Town of Hot Sulphur Springs compare with other water systems in Grand County?

By EPA's size categories, Town of Hot Sulphur Springs is a small system (501 to 3,300 people). Grand County has 77 active public water systems. Its population served is roughly in line with the county average of 728 people per system, and accounts for 1.2% of the 56,067 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so Town of Hot Sulphur Springs is well below that figure.

What does “community water system” mean?

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. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 228 Colorado systems (10%) list surface water as their primary source.

Who owns and regulates Town of Hot Sulphur Springs?

EPA lists Town of Hot Sulphur Springs as owned by a local government. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 17 of the 77 active systems in Grand County (22%) are also owned by a local government.

Does Town of Hot Sulphur Springs have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025. The violations listed here began between May 2009 and October 2025. By type: 10 monitoring and reporting, 1 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (4 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2025-10-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2023-08-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2023-08-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2022-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-05-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2022-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2021-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2014-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2014-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2010-12-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
2009-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

The 12 most recent violations in EPA's records, newest first. Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Town of Hot Sulphur Springs: frequently asked questions

Who runs Town of Hot Sulphur Springs?

Town of Hot Sulphur Springs (PWSID CO0125352) is a community water system owned by a local government. It is regulated by the CO state drinking water program.

How many people does Town of Hot Sulphur Springs serve?

Town of Hot Sulphur Springs reports serving 687 people through 342 service connections in Grand County, Colorado.

Where does Town of Hot Sulphur Springs get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Town of Hot Sulphur Springs have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Town of Hot Sulphur Springs' water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find Town of Hot Sulphur Springs' water quality report?

As a community water system, Town of Hot Sulphur Springs must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Grand County

Water systemCountyPopulation servedTypeSource
Winter Park WsdGrand6,635CommunitySurface water
Grand County Water No 1Grand5,400CommunitySurface water
Winter Park Resort SunspotGrand5,006Transient non-communityGroundwater
Winter Park Resort Lunch RockGrand5,001Transient non-communityGroundwater
Winter Park Resort SnoasisGrand5,001Transient non-communityGroundwater
Winter Park Ranch WsdGrand3,250CommunityGroundwater

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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, “Hot Sulphur Springs Town of, PWSID CO0125352, Colorado”, https://aquacensus.com/water-systems/colorado/hot-sulphur-springs-town-of-co0125352 (data as of October 1, 2026).