Skip to content
AquaCensus

Public water system · CO0154510

Active

Milner Park

At a glance

Milner Park (PWSID CO0154510) is an active community water system in Routt County, Colorado. It reports serving 100 people through 42 service connections. Its primary water source is groundwater, 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 January 2022.

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

Population served

100

Service connections

42

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCO0154510
System typeCommunity water system
Activity statusActive
Population served100
Service connections42
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyRoutt County

How does Milner Park compare with other water systems in Routt County?

By EPA's size categories, Milner Park is a very small system (500 people or fewer). Routt County has 51 active public water systems. Its population served is well below the county average of 1,031 people per system, and accounts for 0.2% of the 52,569 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 Milner Park 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 Milner Park?

EPA lists Milner Park 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. 33 of the 51 active systems in Routt County (65%) are also privately owned.

Does Milner Park have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022. The violations listed here began between January 2020 and January 2022. By type: 12 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, Haloacetic acids (HAA5), Cadmium and Total trihalomethanes (TTHM). 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
2022-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2020-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved
2020-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Hexachlorocyclopentadienecode 2042NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) phthalatecode 2039NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Endrincode 2005NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Hexachlorobenzenecode 2274NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylene dibromide (EDB)code 2946NoResolved

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.

Milner Park: frequently asked questions

Who runs Milner Park?

Milner Park (PWSID CO0154510) is a community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Milner Park serve?

Milner Park reports serving 100 people through 42 service connections in Routt County, Colorado.

Where does Milner Park 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 Milner Park 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 January 2022. 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 Milner Park'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 January 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find Milner Park's water quality report?

As a community water system, Milner Park 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 Routt County

Water systemCountyPopulation servedTypeSource
Mt Werner WdRoutt19,000CommunitySurface water
Steamboat Springs City ofRoutt9,950CommunityPurchased surface water
Steamboat Ski Corp ThunderheadRoutt6,517Transient non-communityGroundwater under influence of surface water
Hayden Town ofRoutt3,982CommunitySurface water
Steamboat Ski Corp RendezvousRoutt2,500Transient non-communityGroundwater
Steamboat Ii MdRoutt1,450CommunityPurchased surface 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, “Milner Park, PWSID CO0154510, Colorado”, https://aquacensus.com/water-systems/colorado/milner-park-co0154510 (data as of October 1, 2026).