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Public water system · CO0101167

Active

Casa Estates MHP

At a glance

Casa Estates MHP (PWSID CO0101167) is an active community water system in Adams County, Colorado. It reports serving 1,117 people through 366 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 2025.

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

Population served

1,117

Service connections

366

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCO0101167
System typeCommunity water system
Activity statusActive
Population served1,117
Service connections366
Primary water sourcePurchased surface water
Owner typePrivate
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyAdams County

How does Casa Estates MHP compare with other water systems in Adams County?

By EPA's size categories, Casa Estates MHP is a small system (501 to 3,300 people). Adams County has 82 active public water systems. Its population served is well below the county average of 8,669 people per system, and accounts for 0.2% of the 710,822 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 Casa Estates 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. 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 Casa Estates MHP?

EPA lists Casa Estates 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. 62 of the 82 active systems in Adams County (76%) are also privately owned.

Does Casa Estates MHP have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 2025. The violations listed here began between April 2025 and May 2025. By type: 2 monitoring and reporting. The contaminants or rules involved are Surface Water Treatment Rule and Chloramine. EPA lists 2 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
2025-05-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2025-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chloraminecode 1006NoResolved

All 2 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.

Casa Estates MHP: frequently asked questions

Who runs Casa Estates MHP?

Casa Estates MHP (PWSID CO0101167) is a community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Casa Estates MHP serve?

Casa Estates MHP reports serving 1,117 people through 366 service connections in Adams County, Colorado.

Where does Casa Estates MHP 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 Casa Estates MHP have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 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 Casa Estates 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 2 violations for this system; none is health-based, and the most recent began in May 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 Casa Estates MHP's water quality report?

As a community water system, Casa Estates 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 Adams County

Water systemCountyPopulation servedTypeSource
Thornton City ofAdams226,465CommunitySurface water
Westminster City ofAdams202,078CommunitySurface water
South Adams County WsdAdams75,559CommunityPurchased surface water
Brighton City ofAdams56,304CommunityPurchased surface water
Northglenn City ofAdams48,927CommunitySurface water
Crestview WsdAdams23,756CommunityPurchased 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, “Casa Estates MHP, PWSID CO0101167, Colorado”, https://aquacensus.com/water-systems/colorado/casa-estates-mhp-co0101167 (data as of October 1, 2026).