Skip to content
AquaCensus

Public water system · CO0110045

Active

Valli Hi MHP

At a glance

Valli Hi MHP (PWSID CO0110045) is an active community water system in Clear Creek County, Colorado. It reports serving 50 people through 23 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2015.

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

Population served

50

Service connections

23

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCO0110045
System typeCommunity water system
Activity statusActive
Population served50
Service connections23
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyClear Creek County

How does Valli Hi MHP compare with other water systems in Clear Creek County?

By EPA's size categories, Valli Hi MHP is a very small system (500 people or fewer). Clear Creek County has 32 active public water systems. Its population served is well below the county average of 899 people per system, and accounts for 0.2% of the 28,778 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 Valli Hi MHP 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,437 Colorado systems (65%) list groundwater as their primary source.

Who owns and regulates Valli Hi MHP?

EPA lists Valli Hi MHP 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. 20 of the 32 active systems in Clear Creek County (63%) are also privately owned.

Does Valli Hi MHP have drinking water violations?

EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2015. The violations listed here began between June 1997 and July 2015. By type: 5 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 8 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
2015-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitratecode 1040YesResolved
2014-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2014-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2008-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2007-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2007-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved
1997-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 8 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.

Valli Hi MHP: frequently asked questions

Who runs Valli Hi MHP?

Valli Hi MHP (PWSID CO0110045) is a community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Valli Hi MHP serve?

Valli Hi MHP reports serving 50 people through 23 service connections in Clear Creek County, Colorado.

Where does Valli Hi MHP get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Valli Hi MHP have any drinking water violations?

EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2015. 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 Valli Hi MHP'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. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find Valli Hi MHP's water quality report?

As a community water system, Valli Hi MHP 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 Clear Creek County

Water systemCountyPopulation servedTypeSource
Idaho Springs City ofClear Creek10,432CommunitySurface water
Georgetown Town ofClear Creek5,315CommunitySurface water
Mighty Argo Metropolitan District #2Clear Creek2,000Transient non-communityPurchased surface water
Vail Mountain Coffee and TeaClear Creek1,528Transient non-communityGroundwater
Echo Lake LodgeClear Creek1,510Transient non-communityGroundwater
Lookout Mountain WdClear Creek1,378CommunitySurface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Valli Hi MHP, PWSID CO0110045, Colorado”, https://aquacensus.com/water-systems/colorado/valli-hi-mhp-co0110045 (data as of October 1, 2026).