C57/100
Red Oak Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 65,191 residents · Texas
What's In Red Oak's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 712.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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
CITY OF RED OAK
Population Served
18,577
Water Source
Purchased Surface Water
System ID
TX0700031
ROCKETT SUD
Population Served
46,614
Water Source
Purchased Surface Water
System ID
TX0700033
Frequently Asked Questions About Red Oak Water
Is Red Oak tap water safe to drink?
Red Oak, Texas tap water receives a grade of C (57/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 42 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Red Oak's water?
Of the 72 contaminants tested in Red Oak's water supply, the most notable include chlorate. No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Red Oak have any water quality violations?
Yes, Red Oak has 42 EPA violation(s) on record, with the most recent in 2020. Violation types include Other, MR, MCL. 10 of these are health-based violations, which are the most serious category.
Do I need a water filter in Red Oak?
Red Oak 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. 1 contaminant(s) exceed these stricter goals.
Where does Red Oak's tap water come from?
Red Oak's drinking water is sourced from purchased surface water and supplied by CITY OF RED OAK and 1 other water system(s). The system serves approximately 65,191 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Red Oak'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. Red Oak'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 Red Oak's water compare to other cities in Texas?
Red Oak's water quality score of 57/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Texas state page to see how all cities in the state compare.
What should I do if I'm concerned about Red Oak's water quality?
If you have concerns about Red Oak'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 (CITY OF RED OAK) 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.