D37/100

INOLA WATER WORKS INC — Water Quality Report 2026

Serving 1,589 people · Oklahoma

Water Source
Purchased Surface Water
County
System ID
OK3006612
Violations
31

Contaminant Test Results

EPA Violation History

7

Violations (last 5yr)

2

Unresolved

3

Health-Related

TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2025 – September 30, 2025Rule: Stage 2 DBPRVerify on EPA.gov
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2025 – September 30, 2025Rule: Stage 2 DBPRVerify 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: April 1, 2025 – June 12, 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 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 3Resolved

Monitoring Violation

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

When: September 1, 2024 – September 30, 2024Rule: Total Coliform 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 INOLA WATER WORKS INC

Is INOLA WATER WORKS INC water safe to drink?

INOLA WATER WORKS INC water receives a grade of D (37/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 31 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has INOLA WATER WORKS INC detected?

1 contaminants were tested in INOLA WATER WORKS INC's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does INOLA WATER WORKS INC have any EPA violations?

Yes, INOLA WATER WORKS INC has 31 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR, RPT. 8 are health-based violations.

How many people does INOLA WATER WORKS INC serve?

INOLA WATER WORKS INC serves approximately 1,589 people, Oklahoma.

What type of water does INOLA WATER WORKS INC provide?

INOLA WATER WORKS INC sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OK3006612.

How does INOLA WATER WORKS INC compare to other utilities in Oklahoma?

INOLA WATER WORKS INC scores 37/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Oklahoma state page for a full comparison of water systems.