F10/100
Durant Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 23,870 residents · Oklahoma
What's In Durant's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
2
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 362.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
2
Health-Related
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2024 – June 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2024 – March 31, 2024Rule: 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
Water Utility Details
DURANT UTILITIES AUTHORITY
Population Served
15,545
Water Source
Surface Water
System ID
OK1010601
BRYAN COUNTY RURAL WATER DISTRICT #5
Population Served
8,325
Water Source
Purchased Surface Water
System ID
OK3000704
Frequently Asked Questions About Durant Water
Is Durant tap water safe to drink?
Durant, Oklahoma tap water receives a grade of F (10/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 86 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Durant's water?
Of the 69 contaminants tested in Durant's water supply, the most notable include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Durant have any water quality violations?
Yes, Durant has 86 EPA violation(s) on record, with the most recent in 2024. Violation types include MCL, MON, MR. 52 of these are health-based violations, which are the most serious category.
Do I need a water filter in Durant?
Durant 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. 2 contaminant(s) exceed these stricter goals.
Where does Durant's tap water come from?
Durant's drinking water is sourced from surface water and supplied by DURANT UTILITIES AUTHORITY and 1 other water system(s). The system serves approximately 23,870 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Durant'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. Durant'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 Durant's water compare to other cities in Oklahoma?
Durant's water quality score of 10/100 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 Durant's water quality?
If you have concerns about Durant'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 (DURANT UTILITIES AUTHORITY) 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.