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Public water system · CO0107486

Active

Longs Peak Wd

At a glance

Longs Peak Wd (PWSID CO0107486) is an active community water system in Boulder County, Colorado. It reports serving 3,200 people through 1,216 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is health-based, and the most recent began in October 2005.

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

Population served

3,200

Service connections

1,216

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDCO0107486
System typeCommunity water system
Activity statusActive
Population served3,200
Service connections1,216
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyBoulder County

How does Longs Peak Wd compare with other water systems in Boulder County?

By EPA's size categories, Longs Peak Wd is a small system (501 to 3,300 people). Boulder County has 81 active public water systems. Its population served is about 41% below the county average of 5,397 people per system, and accounts for 0.7% 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 Longs Peak Wd is about half of 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 Longs Peak Wd?

EPA lists Longs Peak 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 Longs Peak Wd have drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in October 2005. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Haloacetic acids (HAA5). EPA lists 1 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
2005-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved

The one violation in EPA's records.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.

Longs Peak Wd: frequently asked questions

Who runs Longs Peak Wd?

Longs Peak Wd (PWSID CO0107486) is a community water system owned by a local government. It is regulated by the CO state drinking water program.

How many people does Longs Peak Wd serve?

Longs Peak Wd reports serving 3,200 people through 1,216 service connections in Boulder County, Colorado.

Where does Longs Peak 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 Longs Peak Wd have any drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in October 2005. 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 Longs Peak 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 one violation for this system; it is health-based, and the most recent began in October 2005. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find Longs Peak Wd's water quality report?

As a community water system, Longs Peak 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, “Longs Peak Wd, PWSID CO0107486, Colorado”, https://aquacensus.com/water-systems/colorado/longs-peak-wd-co0107486 (data as of October 1, 2026).