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Public water system · CO0149352

Active

Holland Hills Md

At a glance

Holland Hills Md (PWSID CO0149352) is an active community water system in Pitkin County, Colorado. It reports serving 225 people through 60 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; none is health-based, and the most recent began in June 2022.

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

Population served

225

Service connections

60

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCO0149352
System typeCommunity water system
Activity statusActive
Population served225
Service connections60
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyPitkin County

How does Holland Hills Md compare with other water systems in Pitkin County?

By EPA's size categories, Holland Hills Md is a very small system (500 people or fewer). Pitkin County has 49 active public water systems. Its population served is well below the county average of 1,085 people per system, and accounts for 0.4% of the 53,175 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 Holland Hills Md 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 Holland Hills Md?

EPA lists Holland Hills Md 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. 35 of the 49 active systems in Pitkin County (71%) are also privately owned.

Does Holland Hills Md have drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in June 2022. The violations listed here began between September 1996 and June 2022. By type: 5 monitoring and reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 7 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
2022-06-24Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5ARevised Total Coliform Rulecode 8000NoResolved
2020-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2007-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2006-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1996-09-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved

All 7 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.

Holland Hills Md: frequently asked questions

Who runs Holland Hills Md?

Holland Hills Md (PWSID CO0149352) is a community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Holland Hills Md serve?

Holland Hills Md reports serving 225 people through 60 service connections in Pitkin County, Colorado.

Where does Holland Hills Md 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 Holland Hills Md have any drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in June 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 Holland Hills Md'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 7 violations for this system; none is health-based, and the most recent began in June 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 Holland Hills Md's water quality report?

As a community water system, Holland Hills Md 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 Pitkin County

Water systemCountyPopulation servedTypeSource
Aspen City ofPitkin31,100CommunitySurface water
Snowmass Village WsdPitkin6,353CommunitySurface water
Aspen Ski Corp Hi Alpine L9Pitkin2,900Transient non-communitySurface water
Aspen Ski Corp Garrett GulchPitkin2,630Transient non-communitySurface water
Aspen Ski Co SundeckPitkin1,801Transient non-communityGroundwater under influence of surface water
Aspen Ski Corp Elk CampPitkin1,380Transient non-communitySurface 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, “Holland Hills Md, PWSID CO0149352, Colorado”, https://aquacensus.com/water-systems/colorado/holland-hills-md-co0149352 (data as of October 1, 2026).