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Public water system · CO0103055

Active

Glendale City of

At a glance

City of Glendale (PWSID CO0103055) is an active community water system in Arapahoe County, Colorado. It reports serving 4,400 people through 237 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2024.

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

Population served

4,400

Service connections

237

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCO0103055
System typeCommunity water system
Activity statusActive
Population served4,400
Service connections237
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyCO state drinking water program
City servedGlendale
StateColorado
ZIP—
CountyArapahoe County

How does City of Glendale compare with other water systems in Arapahoe County?

By EPA's size categories, City of Glendale is a medium system (3,301 to 10,000 people). Arapahoe County has 39 active public water systems. Its population served is well below the county average of 22,146 people per system, and accounts for 0.5% of the 863,682 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 City of Glendale is about 34% 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 City of Glendale?

EPA lists City of Glendale 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. 17 of the 39 active systems in Arapahoe County (44%) are also owned by a local government.

Does City of Glendale have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2024. By type: 1 public notice, recordkeeping or other. The contaminant or rule involved is Public Notice. 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
2024-09-30Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76Public Noticecode 7500NoResolved

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.

City of Glendale: frequently asked questions

Who runs City of Glendale?

City of Glendale (PWSID CO0103055) is a community water system owned by a local government. It is regulated by the CO state drinking water program.

How many people does City of Glendale serve?

City of Glendale reports serving 4,400 people through 237 service connections in Arapahoe County, Colorado.

Where does City of Glendale 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 City of Glendale have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2024. 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 City of Glendale'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 not health-based, and the most recent began in September 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find City of Glendale's water quality report?

As a community water system, City of Glendale 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 Arapahoe County

Water systemCountyPopulation servedTypeSource
Aurora City ofArapahoe533,407CommunitySurface water
East Cherry Creek Valley WsdArapahoe66,130CommunityPurchased surface water
Englewood City ofArapahoe57,332CommunitySurface water
Southgate WsdArapahoe55,000CommunityPurchased surface water
Southwest Metropolitan WsdArapahoe48,648CommunityPurchased surface water
Arapahoe Cnty WwwaArapahoe31,000CommunityGroundwater

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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, “Glendale City of, PWSID CO0103055, Colorado”, https://aquacensus.com/water-systems/colorado/glendale-city-of-co0103055 (data as of October 1, 2026).