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F0/100

MCCURTAIN CO. RWD #7 — Water Quality Report 2026

Serving 1,847 people · Oklahoma

Water Source
Purchased Surface Water
County
—
System ID
OK3004801
Violations
46

Contaminant Test Results

EPA Violation History

7

Violations (last 5yr)

0

Unresolved

3

Health-Related

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: October 1, 2022 – December 31, 2022Rule: 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: October 1, 2022 – October 31, 2022Rule: Total Coliform 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 – February 13, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued

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 MCCURTAIN CO. RWD #7

Is MCCURTAIN CO. RWD #7 water safe to drink?

MCCURTAIN CO. RWD #7 water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 46 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has MCCURTAIN CO. RWD #7 detected?

31 contaminants were tested in MCCURTAIN CO. RWD #7's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does MCCURTAIN CO. RWD #7 have any EPA violations?

Yes, MCCURTAIN CO. RWD #7 has 46 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, MR. 29 are health-based violations.

How many people does MCCURTAIN CO. RWD #7 serve?

MCCURTAIN CO. RWD #7 serves approximately 1,847 people, Oklahoma.

What type of water does MCCURTAIN CO. RWD #7 provide?

MCCURTAIN CO. RWD #7 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 OK3004801.

How does MCCURTAIN CO. RWD #7 compare to other utilities in Oklahoma?

MCCURTAIN CO. RWD #7 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.