Is Del Rio, TX tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for Del Rio Utilities Commission.
Del Rio Utilities Commission supplies Del Rio (36,506 people).
Water system
Del Rio Utilities Commission
36,506 people · Groundwater under influence of surface water · EPA ID TX2330001
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Not detected | – | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 1.7 ppb at the 90th percentile (Dec 2024, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0
Across Texas, 28 of 1,130 water systems EPA tested had PFAS above a 2024 federal limit, and 13 systems were above the lead action level in results from the last five years. Texas results.
Del Rio homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Del Rio city (tables B25034, B25003). Estimates for small places have a margin of error.
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Eagle Pass 51 mi City of Eagle Pass | None above limits | 0 ppb |
| Kerrville 115 mi City of Kerrville | None above limits | 3.34 ppb |
| San Antonio 142 mi San Antonio Water System | None above limits | 1.6 ppb |
| San Angelo 145 mi City of San Angelo | None above limits | 3.95 ppb |
| Laredo 150 mi City of Laredo | None above limits | 1.37 ppb |
| Converse 155 mi Green Valley Special Utility District | None above limits | 1.8 ppb |
Del Rio ZIP codes (1)
- 78840
Questions
Is Del Rio tap water safe to drink?
Del Rio Utilities Commission has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in Del Rio, TX?
Del Rio Utilities Commission, which serves 36,506 people.
Does Del Rio tap water have PFAS?
None detected above EPA's reporting limits. Del Rio Utilities Commission had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.
Do Del Rio homes have lead pipes?
Census estimates put 54% of Del Rio homes as built before 1980 (Texas: 33%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Del Rio Utilities Commission's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.