F0/100

Pawnee Tap Water Quality: Is It Safe to Drink? (2026 Report)

Serving 2,230 residents · Oklahoma

What's In Pawnee's Tap Water?

Water Utility

Contaminants Tested

Exceed EPA Limits

Above EPA Goals

EPA Violation History

Violations (last 5yr)

Unresolved

Health-Related

TIER 3Unresolved

Missed required monitoring deadline

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

When: August 1, 2025 – August 31, 2025Rule: Surface Water Treatment RuleVerify on EPA.gov

TIER 3Unresolved

Missed required monitoring deadline

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

When: July 1, 2025 – July 31, 2025Rule: Surface Water Treatment RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 2Unresolved

Failed treatment technique requirements

When: June 1, 2025 – June 30, 2025Rule: Surface Water Treatment RuleVerify on EPA.gov

TIER 2Unresolved

Failed treatment technique requirements

When: May 1, 2025 – May 31, 2025Rule: Surface Water Treatment RuleVerify on EPA.gov

TIER 2Unresolved

Failed treatment technique requirements

When: April 1, 2025 – April 30, 2025Rule: Surface Water Treatment RuleVerify on EPA.gov

TIER 3Unresolved

Failed to conduct Level 1 Assessment

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

When: December 31, 2024Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Resolved

Missed required monitoring deadline

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

When: December 1, 2024 – December 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway

TIER 3Unresolved

Reporting violation

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

When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 2Unresolved

Treatment technique violation

When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Unresolved

Failed to complete routine monitoring

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

When: October 1, 2024 – October 31, 2024Rule: Surface Water Treatment RuleVerify on EPA.gov

TIER 3Unresolved

Failed to complete routine monitoring

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

When: September 1, 2024 – September 30, 2024Rule: Surface Water Treatment RuleVerify on EPA.gov

TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2024 – June 3, 2025Enforcement: Resolving — corrective action underway

TIER 3Unresolved

Failed to complete routine monitoring

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

When: July 1, 2024 – July 31, 2024Rule: Surface Water Treatment RuleVerify on EPA.gov

TIER 2Unresolved

Failed treatment technique requirements

When: June 1, 2024 – June 30, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 2Unresolved

Failed treatment technique requirements

When: June 1, 2024 – June 30, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Resolved

Missed required monitoring deadline

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

When: June 1, 2024 – June 30, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway

TIER 3Unresolved

Failed to complete routine monitoring

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

When: June 1, 2024 – June 30, 2024Rule: Surface Water Treatment RuleVerify on EPA.gov

TIER 3Resolved

Missed required monitoring deadline

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

When: May 1, 2024 – May 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway

TIER 3Unresolved

Failed to complete routine monitoring

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

When: May 1, 2024 – May 31, 2024Rule: Surface Water Treatment RuleVerify on EPA.gov

TIER 3Resolved

Missed required monitoring deadline

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

When: April 1, 2024 – April 30, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway

TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2024 – June 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov

TIER 2Unresolved

Failed treatment technique requirements

When: April 1, 2024 – April 30, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 2Unresolved

Failed treatment technique requirements

When: April 1, 2024 – April 30, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

Failed to conduct Level 2 Assessment

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

When: March 31, 2024Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 2Unresolved

Failed treatment technique requirements

When: March 1, 2024 – March 31, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 2Unresolved

Failed treatment technique requirements

When: March 1, 2024 – March 31, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Resolved

Missed required monitoring deadline

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

When: January 1, 2024 – January 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway

TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: January 1, 2024 – March 31, 2024Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring Violation

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

When: January 1, 2024 – January 31, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov

TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Unresolved

Failed to conduct Level 2 Assessment

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

When: September 29, 2023Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov

TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: December 1, 2022 – February 28, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: December 1, 2022 – February 28, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 3Resolved

Surface water treatment technique failure

When: October 2, 2022 – January 31, 2023Enforcement: Resolving — corrective action underway

TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov

TIER 3Resolved

Missed required monitoring deadline

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

When: July 1, 2022 – July 31, 2022Rule: Surface Water Treatment 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: April 1, 2022 – December 6, 2022Rule: Stage 2 DBPREnforcement: 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

Water Utility Details

PAWNEE

Population Served

2,230

Water Source

Surface Water

System ID

OK1021209

Frequently Asked Questions About Pawnee Water

Is Pawnee tap water safe to drink?

Pawnee, Oklahoma tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 317 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.

What contaminants are in Pawnee's water?

4 contaminants were tested in Pawnee's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.

Does Pawnee have any water quality violations?

Yes, Pawnee has 317 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, TT, RPT. 172 of these are health-based violations, which are the most serious category.

Do I need a water filter in Pawnee?

Pawnee water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.

Where does Pawnee's tap water come from?

Pawnee's drinking water is sourced from surface water and supplied by PAWNEE. The system serves approximately 2,230 people. Surface water sources include rivers, lakes, and reservoirs.

How often is Pawnee's water tested?

Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Pawnee's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.

How does Pawnee's water compare to other cities in Oklahoma?

Pawnee's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Oklahoma state page to see how all cities in the state compare.

What should I do if I'm concerned about Pawnee's water quality?

If you have concerns about Pawnee's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (PAWNEE) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.

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