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Public water system · CO0107610

Active

Pine Brook Hills Wd

At a glance

Pine Brook Hills Wd (PWSID CO0107610) is an active community water system in Boulder County, Colorado. It reports serving 1,100 people through 418 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; all are health-based, and the most recent began in April 2008.

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

Population served

1,100

Service connections

418

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDCO0107610
System typeCommunity water system
Activity statusActive
Population served1,100
Service connections418
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyBoulder County

How does Pine Brook Hills Wd compare with other water systems in Boulder County?

By EPA's size categories, Pine Brook Hills Wd is a small system (501 to 3,300 people). Boulder County has 81 active public water systems. Its population served is well below the county average of 5,397 people per system, and accounts for 0.3% of the 437,116 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 Pine Brook Hills Wd 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 228 Colorado systems (10%) list surface water as their primary source.

Who owns and regulates Pine Brook Hills Wd?

EPA lists Pine Brook Hills Wd as owned by a local government. 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. 22 of the 81 active systems in Boulder County (27%) are also owned by a local government.

Does Pine Brook Hills Wd have drinking water violations?

EPA's records list 4 violations for this system; all are health-based, and the most recent began in April 2008. The violations listed here began between September 1994 and April 2008. By type: 3 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 4 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
2008-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2008-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2007-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1994-09-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved

All 4 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.

Pine Brook Hills Wd: frequently asked questions

Who runs Pine Brook Hills Wd?

Pine Brook Hills Wd (PWSID CO0107610) is a community water system owned by a local government. It is regulated by the CO state drinking water program.

How many people does Pine Brook Hills Wd serve?

Pine Brook Hills Wd reports serving 1,100 people through 418 service connections in Boulder County, Colorado.

Where does Pine Brook Hills Wd get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Pine Brook Hills Wd have any drinking water violations?

EPA's records list 4 violations for this system; all are health-based, and the most recent began in April 2008. 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 Pine Brook Hills Wd'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 4 violations for this system; all are health-based, and the most recent began in April 2008. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find Pine Brook Hills Wd's water quality report?

As a community water system, Pine Brook Hills Wd 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 Boulder County

Water systemCountyPopulation servedTypeSource
Boulder City ofBoulder166,080CommunitySurface water
Longmont City ofBoulder104,178CommunitySurface water
Erie Town ofBoulder47,444CommunitySurface water
Lafayette City ofBoulder28,700CommunitySurface water
Louisville City ofBoulder20,975CommunitySurface water
Left Hand WdBoulder20,280CommunitySurface 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, “Pine Brook Hills Wd, PWSID CO0107610, Colorado”, https://aquacensus.com/water-systems/colorado/pine-brook-hills-wd-co0107610 (data as of October 1, 2026).