D39/100
INDIANOLA RWD #18 — Water Quality Report 2026
Serving 2,000 people · Oklahoma
Water Source
Purchased Surface Water
County
—
System ID
OK3006110
Violations
29
Contaminant Test Results
EPA Violation History
5
Violations (last 5yr)
5
Unresolved
2
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
TIER 3Unresolved
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: February 1, 2025 – February 28, 2025Rule: Stage 1 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 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
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 INDIANOLA RWD #18
Is INDIANOLA RWD #18 water safe to drink?
INDIANOLA RWD #18 water receives a grade of D (39/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 29 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has INDIANOLA RWD #18 detected?
1 contaminants were tested in INDIANOLA RWD #18's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does INDIANOLA RWD #18 have any EPA violations?
Yes, INDIANOLA RWD #18 has 29 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 INDIANOLA RWD #18 serve?
INDIANOLA RWD #18 serves approximately 2,000 people, Oklahoma.
What type of water does INDIANOLA RWD #18 provide?
INDIANOLA RWD #18 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 OK3006110.
How does INDIANOLA RWD #18 compare to other utilities in Oklahoma?
INDIANOLA RWD #18 scores 39/100 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.