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Public water system · CO0139760

Active

Twin Rivers MHP, LLC

At a glance

Twin Rivers MHP, LLC (PWSID CO0139760) is an active community water system in Mesa County, Colorado. It reports serving 67 people through 34 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2026.

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

Population served

67

Service connections

34

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCO0139760
System typeCommunity water system
Activity statusActive
Population served67
Service connections34
Primary water sourcePurchased surface water
Owner typePrivate
Primacy agencyCO state drinking water program
City servedGrand Junction
StateColorado
ZIP—
CountyMesa County

How does Twin Rivers MHP, LLC compare with other water systems in Mesa County?

By EPA's size categories, Twin Rivers MHP, LLC is a very small system (500 people or fewer). Mesa County has 30 active public water systems. Its population served is well below the county average of 5,438 people per system, and accounts for less than 0.1% of the 163,137 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 Twin Rivers MHP, LLC 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 337 Colorado systems (15%) list purchased surface water as their primary source.

Who owns and regulates Twin Rivers MHP, LLC?

EPA lists Twin Rivers MHP, LLC as privately owned. 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. 13 of the 30 active systems in Mesa County (43%) are also privately owned.

Does Twin Rivers MHP, LLC have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2026. The violations listed here began between June 2022 and March 2026. By type: 7 monitoring and reporting, 3 public notice, recordkeeping or other and 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform 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
2026-03-25Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5ARevised Total Coliform Rulecode 8000NoResolved
2025-07-15Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76Public Noticecode 7500NoResolved
2023-03-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2023-02-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2023-01-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2022-10-11Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5ARevised Total Coliform Rulecode 8000NoResolved
2022-10-11Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600NoResolved
2022-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-09-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2022-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2022-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

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.

Twin Rivers MHP, LLC: frequently asked questions

Who runs Twin Rivers MHP, LLC?

Twin Rivers MHP, LLC (PWSID CO0139760) is a community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Twin Rivers MHP, LLC serve?

Twin Rivers MHP, LLC reports serving 67 people through 34 service connections in Mesa County, Colorado.

Where does Twin Rivers MHP, LLC get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Twin Rivers MHP, LLC have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2026. 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 Twin Rivers MHP, LLC's 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, none is health-based, and the most recent began in March 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find Twin Rivers MHP, LLC's water quality report?

As a community water system, Twin Rivers MHP, LLC 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 Mesa County

Water systemCountyPopulation servedTypeSource
Ute WcdMesa92,580CommunitySurface water
Clifton WdMesa34,500CommunitySurface water
Grand Junction City ofMesa26,000CommunitySurface water
Palisade Town ofMesa3,060CommunitySurface water
Debeque Town ofMesa911CommunitySurface water
Midlands VillageMesa893CommunityPurchased surface water

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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, “Twin Rivers MHP, LLC, PWSID CO0139760, Colorado”, https://aquacensus.com/water-systems/colorado/twin-rivers-mhp-llc-co0139760 (data as of October 1, 2026).