Ej Water Cooperative

ZipCheckup's reading of EPA SDWIS for Ej Water Cooperative (IL0790010): 1 unresolved EPA violation on record. Five-year compliance data for Ej Water Cooperative includes 1 violation the EPA has not yet marked resolved - those open findings are part of the utility's current enforcement profile, covering a service population of approximately 29,720 residents across the area it supplies.

Data: EPA SDWIS

System Overview

Ej Water Cooperative (EPA ID: IL0790010) is a community water system in Illinois that serves approximately 29,720 people from surface water sources.

This system provides water to 82 ZIP codes across 82 communities.

ZIP-Area Home Safety Context: B (73/100)

This is the average Home Safety Score for 7 of 82 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

Status breakdown for accepted records with record years 2021-2026: 23 resolved, 0 archived, 0 addressed, and 1 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by IL or modeled from parcel and building-footprint data.

This system serves 82 ZIP codes:

61928 · 61957 · 62015 · 62017 · 62019 62032 · 62049 · 62051 · 62056 · 62075 62080 · 62083 · 62086 · 62089 · 62091 62094 · 62401 · 62411 · 62413 · 62414 62418 · 62419 · 62420 · 62421 · 62422 62424 · 62425 · 62426 · 62428 · 62431 62432 · 62433 · 62434 · 62436 · 62438 62440 · 62443 · 62444 · 62445 · 62447 62448 · 62449 · 62450 · 62452 · 62454 62458 · 62461 · 62462 · 62463 · 62465 62467 · 62468 · 62469 · 62471 · 62473 62475 · 62476 · 62478 · 62479 · 62480 62481 · 62510 · 62534 · 62538 · 62546 62550 · 62553 · 62555 · 62557 · 62560 62565 · 62568 · 62571 · 62806 · 62815 62824 · 62838 · 62839 · 62858 · 62868 62880 · 62899

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Ej Water Cooperative (IL0790010) on EPA.gov.

Frequently Asked Questions

Is Ej Water Cooperative water safe to drink?

The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.

How many people does Ej Water Cooperative serve?

Ej Water Cooperative serves approximately 29,720 people across 82 ZIP codes in Illinois.

Where does Ej Water Cooperative get its water?

The primary water source is surface water.

@misc{zipcheckup-water-system-il0790010,
  author = {{ZipCheckup}},
  title  = {{Ej Water Cooperative (IL): 24 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/il0790010/}
}