F0/100

PAWHUSKA — Water Quality Report 2026

Serving 3,800 people · Oklahoma

Water Source
Surface Water
County
System ID
OK1021301
Violations
61

Contaminant Test Results

EPA Violation History

9

Violations (last 5yr)

1

Unresolved

2

Health-Related

TIER 3Resolved

Failed to conduct Level 2 Assessment

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: April 1, 2025 – March 5, 2025Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Resolved

Failed to conduct Level 2 Assessment

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: December 30, 2024 – March 5, 2025Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Reporting violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 17, 2024 – July 15, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Treatment technique violation

When: October 17, 2024 – July 15, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to conduct Level 2 Assessment

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: December 30, 2022 – April 3, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: October 2, 2022 – October 1, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to conduct Level 2 Assessment

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: December 30, 2021 – April 3, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2021 – November 28, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

Understanding violation severity

Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.

Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly

Frequently Asked Questions About PAWHUSKA

Is PAWHUSKA water safe to drink?

PAWHUSKA water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 61 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has PAWHUSKA detected?

34 contaminants were tested in PAWHUSKA's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does PAWHUSKA have any EPA violations?

Yes, PAWHUSKA has 61 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MCL, RPT. 34 are health-based violations.

How many people does PAWHUSKA serve?

PAWHUSKA serves approximately 3,800 people, Oklahoma.

What type of water does PAWHUSKA provide?

PAWHUSKA sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OK1021301.

How does PAWHUSKA compare to other utilities in Oklahoma?

PAWHUSKA scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Oklahoma state page for a full comparison of water systems.