D30/100
Del Rio Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 36,506 residents · Texas
What's In Del Rio'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 |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2021.
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
DEL RIO UTILITIES COMMISSION
Population Served
36,506
Water Source
Groundwater Under Influence of Surface Water
System ID
TX2330001
Frequently Asked Questions About Del Rio Water
Is Del Rio tap water safe to drink?
Del Rio, Texas tap water receives a grade of D (30/100), which is considered poor. 0 contaminant(s) exceed EPA maximum contaminant levels and 55 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Del Rio's water?
Of the 69 contaminants tested in Del Rio's water supply, the most notable include Lead (90th percentile). 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 Del Rio have any water quality violations?
Yes, Del Rio has 55 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, Other, TT. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in Del Rio?
Del Rio 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 Del Rio's tap water come from?
Del Rio's drinking water is sourced from groundwater under influence of surface water and supplied by DEL RIO UTILITIES COMMISSION. The system serves approximately 36,506 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Del Rio'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. Del Rio'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 Del Rio's water compare to other cities in Texas?
Del Rio's water quality score of 30/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our Texas state page to see how all cities in the state compare.
What should I do if I'm concerned about Del Rio's water quality?
If you have concerns about Del Rio'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 (DEL RIO UTILITIES COMMISSION) 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.