Atoka

ZipCheckup's reading of EPA SDWIS for Atoka (OK1010401): 22 past health-based violations, since resolved. Over the tracked period, Atoka logged 23 EPA violations - each has been remedied, and the system now supplies 2,988 people in good standing.

Data: EPA SDWIS

System Overview

Atoka (EPA ID: OK1010401) is a community water system in Oklahoma that serves approximately 2,988 people from surface water sources.

This system serves ZIP code 74525 in Atoka.

Violation History

Status breakdown for accepted records with record years 2021-2026: 8 resolved, 15 archived, 0 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

Total Trihalomethanes (TTHM) (EPA limit: 0.08 mg/L)

Bladder & rectal cancer risk; reproductive concerns At-risk groups: pregnant women, long-term consumers of chlorinated water, people who frequently shower in chlorinated water.

Removal methods: granular activated carbon (GAC), carbon block filter, point-of-entry aeration. Find the right filter →

Chlorite (EPA limit: 1 mg/L)

Anemia and nervous system effects in infants and children At-risk groups: infants, developing fetuses, people with G6PD deficiency.

Removal methods: ferrous sulfate reduction, activated carbon, reverse osmosis. Find the right filter →

E. coli (EPA limit: Zero tolerance (any positive sample triggers immediate action))

Severe GI illness; potentially fatal kidney failure in children At-risk groups: children under 5, elderly, immunocompromised individuals, pregnant women.

Removal methods: UV disinfection (99.99%), 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

Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)

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.

• 74525 - Atoka

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Atoka (OK1010401) on EPA.gov.

Frequently Asked Questions

Is Atoka water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Atoka; its 23 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Atoka serve?

Atoka serves approximately 2,988 people across 1 ZIP code in Oklahoma.

Where does Atoka get its water?

The primary water source is surface water.

@misc{zipcheckup-water-system-ok1010401,
  author = {{ZipCheckup}},
  title  = {{Atoka (OK): 22 Health Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/ok1010401/}
}