Crest Hill

ZipCheckup's reading of EPA SDWIS for Crest Hill (IL1970250): 4 unresolved EPA violations on record. The EPA enforcement database lists 4 active violations for Crest Hill - a provider that delivers drinking water to approximately 21,169 people and has not yet formally resolved those findings.

Data: EPA SDWIS

System Overview

Crest Hill (EPA ID: IL1970250) is a community water system in Illinois that serves approximately 21,169 people from groundwater sources.

This system provides water to 3 ZIP codes across 3 communities.

ZIP-Area Home Safety Context: C (55/100)

This is the average Home Safety Score for 1 of 3 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: 13 resolved, 16 archived, 0 addressed, and 4 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:

The accepted LCR snapshot contains 1 reported copper action-level exceedance record for this PWSID. The source does not provide a verified copper level for publication.

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.

• 60403 - Crest Hill
• 60435 - Joliet
• 60441 - Lockport

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Crest Hill (IL1970250) on EPA.gov.

Frequently Asked Questions

Is Crest Hill water safe to drink?

The accepted 2026Q2 ECHO snapshot shows 4 current noncompliance records and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.

How many people does Crest Hill serve?

Crest Hill serves approximately 21,169 people across 3 ZIP codes in Illinois.

Where does Crest Hill get its water?

The primary water source is groundwater.

@misc{zipcheckup-water-system-il1970250,
  author = {{ZipCheckup}},
  title  = {{Crest Hill (IL): 1 Health Violation}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/il1970250/}
}