Skip to content
AquaCensus

Public water system · CO0101126

Active

Avilla Eastlake

At a glance

Avilla Eastlake (PWSID CO0101126) is an active community water system in Adams County, Colorado. It reports serving 410 people through 245 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2024.

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

Population served

410

Service connections

245

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCO0101126
System typeCommunity water system
Activity statusActive
Population served410
Service connections245
Primary water sourcePurchased surface water
Owner typePrivate
Primacy agencyCO state drinking water program
City servedThornton
StateColorado
ZIP—
CountyAdams County

How does Avilla Eastlake compare with other water systems in Adams County?

By EPA's size categories, Avilla Eastlake is a very small system (500 people or fewer). 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 less than 0.1% 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 Avilla Eastlake 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 Avilla Eastlake?

EPA lists Avilla Eastlake 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 Avilla Eastlake have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2024. The violations listed here began between August 2022 and January 2024. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 12 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
2024-01-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2024-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chloraminecode 1006NoResolved
2023-10-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2023-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2023-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2022-10-11Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5ARevised Total Coliform Rulecode 8000NoResolved
2022-10-11Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600NoResolved
2022-09-09Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-09-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2022-08-06Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved

The 12 most recent 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.

Avilla Eastlake: frequently asked questions

Who runs Avilla Eastlake?

Avilla Eastlake (PWSID CO0101126) is a community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Avilla Eastlake serve?

Avilla Eastlake reports serving 410 people through 245 service connections in Adams County, Colorado.

Where does Avilla Eastlake 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 Avilla Eastlake have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 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 Avilla Eastlake'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 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 Avilla Eastlake's water quality report?

As a community water system, Avilla Eastlake 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

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Avilla Eastlake, PWSID CO0101126, Colorado”, https://aquacensus.com/water-systems/colorado/avilla-eastlake-co0101126 (data as of October 1, 2026).