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F0/100

LANGSTON PWA — Water Quality Report 2026

Serving 1,670 people · Oklahoma

Water Source
Surface Water
County
—
System ID
OK1020911
Violations
102

Contaminant Test Results

EPA Violation History

6

Violations (last 5yr)

2

Unresolved

0

Health-Related

TIER 3Unresolved

Surface water treatment technique failure

When: July 1, 2025Verify 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: March 1, 2025 – March 31, 2025Rule: 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: March 1, 2025 – March 31, 2025Rule: Total Coliform RuleEnforcement: 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: September 1, 2024 – September 30, 2024Rule: Stage 1 DBPREnforcement: 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: September 1, 2024 – September 30, 2024Rule: Surface Water Treatment 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: April 1, 2024 – April 30, 2024Rule: Surface Water Treatment 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 LANGSTON PWA

Is LANGSTON PWA water safe to drink?

LANGSTON PWA water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 102 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has LANGSTON PWA detected?

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

Does LANGSTON PWA have any EPA violations?

Yes, LANGSTON PWA has 102 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MON. 69 are health-based violations.

How many people does LANGSTON PWA serve?

LANGSTON PWA serves approximately 1,670 people, Oklahoma.

What type of water does LANGSTON PWA provide?

LANGSTON PWA 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 OK1020911.

How does LANGSTON PWA compare to other utilities in Oklahoma?

LANGSTON PWA 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.