Skip to content
AquaCensus

Public water system · ID1280008

Active

Avondale Irrigation Dist

At a glance

Avondale Irrigation Dist (PWSID ID1280008) is an active community water system in Kootenai County, Idaho. It reports serving 8,785 people through 3,514 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2020.

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

Population served

8,785

Service connections

3,514

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDID1280008
System typeCommunity water system
Activity statusActive
Population served8,785
Service connections3,514
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyID state drinking water program
City served—
StateIdaho
ZIP—
CountyKootenai County

How does Avondale Irrigation Dist compare with other water systems in Kootenai County?

By EPA's size categories, Avondale Irrigation Dist is a medium system (3,301 to 10,000 people). Kootenai County has 182 active public water systems. Its population served is about 8.9 times the county average of 983 people per system, and accounts for 4.9% of the 178,930 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 Avondale Irrigation Dist is about 31% above 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 Avondale Irrigation Dist?

EPA lists Avondale Irrigation Dist 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. 30 of the 182 active systems in Kootenai County (16%) are also owned by a local government.

Does Avondale Irrigation Dist have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2020. The violations listed here began between January 2020 and January 2020. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Picloram (4 of them). EPA lists 12 as archived. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Glyphosatecode 2034NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Simazinecode 2037NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 032,4-Dcode 2105NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 032,4-Dcode 2105NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Simazinecode 2037NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 032,4-Dcode 2105NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Glyphosatecode 2034NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 032,4-Dcode 2105NoArchived

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.

Avondale Irrigation Dist: frequently asked questions

Who runs Avondale Irrigation Dist?

Avondale Irrigation Dist (PWSID ID1280008) is a community water system owned by a local government. It is regulated by the ID state drinking water program.

How many people does Avondale Irrigation Dist serve?

Avondale Irrigation Dist reports serving 8,785 people through 3,514 service connections in Kootenai County, Idaho.

Where does Avondale Irrigation Dist 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 Avondale Irrigation Dist have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2020. 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 Avondale Irrigation Dist'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, none is health-based, and the most recent began in January 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the ID state drinking water program.

Where can I find Avondale Irrigation Dist's water quality report?

As a community water system, Avondale Irrigation Dist 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 Kootenai County

Water systemCountyPopulation servedTypeSource
Coeur D Alene City ofKootenai54,115CommunityGroundwater
Post Falls City ofKootenai20,285CommunityGroundwater
East Greenacres Irrigation DistKootenai11,165CommunityGroundwater
Rathdrum City ofKootenai10,358CommunityGroundwater
Hayden Lake Irrigation DistKootenai9,375CommunityGroundwater
Ross Point Water DistKootenai8,965CommunityGroundwater

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, “Avondale Irrigation Dist, PWSID ID1280008, Idaho”, https://aquacensus.com/water-systems/idaho/avondale-irrigation-dist-id1280008 (data as of October 1, 2026).