Skip to content
AquaCensus

Public water system · ID4010222

Active

Eagle, City of (Western Zone)

At a glance

Eagle, City of (Western Zone) (PWSID ID4010222) is an active community water system in Ada County, Idaho. It reports serving 6,108 people through 2,349 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; none is health-based, and the most recent began in December 2023.

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

Population served

6,108

Service connections

2,349

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDID4010222
System typeCommunity water system
Activity statusActive
Population served6,108
Service connections2,349
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyID state drinking water program
City served—
StateIdaho
ZIP—
CountyAda County

How does Eagle, City of (Western Zone) compare with other water systems in Ada County?

By EPA's size categories, Eagle, City of (Western Zone) is a medium system (3,301 to 10,000 people). Ada County has 87 active public water systems. Its population served is roughly in line with the county average of 5,880 people per system, and accounts for 1.2% of the 511,514 people reported by systems filed under the county. Across Idaho, the 1,961 active systems average 899 people each. Nationally, the average active community water system reports serving 6,703 people, so Eagle, City of (Western Zone) is roughly in line with 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. Idaho has 765 active community water systems, 39% of the state's 1,961 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,861 Idaho systems (95%) list groundwater as their primary source.

Who owns and regulates Eagle, City of (Western Zone)?

EPA lists Eagle, City of (Western Zone) as owned by a local government. The ID state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 7 of the 87 active systems in Ada County (8%) are also owned by a local government.

Does Eagle, City of (Western Zone) have drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in December 2023. The violations listed here began between June 2008 and December 2023. By type: 3 monitoring and reporting, 2 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 4 as archived and 2 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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
2023-12-24Public notice, recordkeeping or otherFailure to Consult with State · code 20Groundwater Rulecode 0700NoResolved
2017-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoArchived
2017-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2017-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2009-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2008-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 6 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.

Eagle, City of (Western Zone): frequently asked questions

Who runs Eagle, City of (Western Zone)?

Eagle, City of (Western Zone) (PWSID ID4010222) is a community water system owned by a local government. It is regulated by the ID state drinking water program.

How many people does Eagle, City of (Western Zone) serve?

Eagle, City of (Western Zone) reports serving 6,108 people through 2,349 service connections in Ada County, Idaho.

Where does Eagle, City of (Western Zone) 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 Eagle, City of (Western Zone) have any drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in December 2023. 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 Eagle, City of (Western Zone)'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 6 violations for this system; none is health-based, and the most recent began in December 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the ID state drinking water program.

Where can I find Eagle, City of (Western Zone)'s water quality report?

As a community water system, Eagle, City of (Western Zone) 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 Ada County

Water systemCountyPopulation servedTypeSource
Veolia Water IdahoAda264,978CommunitySurface water
Meridian Water DeptAda147,340CommunityGroundwater
Kuna City ofAda32,038CommunityGroundwater
Star Sewer and Water Dist Water SystemAda14,000CommunityGroundwater
Garden City Water and Sewer SystemAda12,500CommunityGroundwater
Capitol Water CorpAda9,000CommunityGroundwater

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, “Eagle, City of (Western Zone), PWSID ID4010222, Idaho”, https://aquacensus.com/water-systems/idaho/eagle-city-of-western-zone-id4010222 (data as of October 1, 2026).