Chickasha Municipal Authority

ZipCheckup's reading of EPA records for Chickasha Municipal Authority (OK1010821): 2 violations recorded with unresolved status in the SDWIS data used. Federal data lists 2 violations as unresolved at Chickasha Municipal Authority - roughly 16,036 residents in the service area.

Data: EPA SDWIS

System Overview

Chickasha Municipal Authority (EPA ID: OK1010821) is a community water system in Oklahoma that serves approximately 16,036 people from surface water sources.

This system provides water to 4 ZIP codes across 4 communities.

Violation History

Status breakdown for accepted records with record years 2021-2026: 11 resolved, 4 archived, 2 addressed, and 0 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:

Health Risk Details

E. coli (EPA limit: MCLG of zero; positive samples require repeat testing under the Revised Total Coliform Rule)

Some E. coli strains can cause severe GI illness and kidney failure, especially in children At-risk groups: children under 5, elderly, immunocompromised individuals, pregnant women.

Treatment options (verify a product is certified to reduce this contaminant): UV disinfection, chlorination, reverse osmosis. Find the right filter →

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

4 of 4 ZIP records with known zones are in EPA Radon Zone 3.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

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 OK or modeled from parcel and building-footprint data.

• 73017 - Cement
• 73018 - Chickasha
• 73067 - Ninnekah
• 73092 - Verden

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Chickasha Municipal Authority (OK1010821) on EPA.gov.

Frequently Asked Questions

Is Chickasha Municipal Authority water safe to drink?

The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Chickasha Municipal Authority. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.

How many people does Chickasha Municipal Authority serve?

Chickasha Municipal Authority serves approximately 16,036 people across 4 ZIP codes in Oklahoma.

Where does Chickasha Municipal Authority get its water?

The primary water source is surface water.

@misc{zipcheckup-water-system-ok1010821,
  author = {{ZipCheckup}},
  title  = {{Chickasha Municipal Authority (OK): 13 Health Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/ok1010821/}
}