Water Quality: Castroville, TX
7 water systems • 7,418 people served
Some ConcernsWater Quality Summary
Castroville is served by 7 public water systems with a combined service population of 7,418 people, and has 94 EPA Safe Drinking Water Act violations on record. Critically, 2 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Castroville's violation count is 56% below the national average for Texas. Contaminants associated with violations include E. coli.
Contaminants Found
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Water Systems Serving Castroville
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF CASTROVILLE | TX1630005 | Groundwater | 3,913 | 24 |
| OLD HWY 90 WATER SERVICE | TX1630035 | Groundwater | 1,215 | 6 |
| MEDINA RIVER WEST WSC | TX1630028 | Groundwater | 1,158 | 8 |
| HIGHWAY 90 RANCH WSC | TX1630014 | Groundwater | 412 | 10 |
| MEDINA VALLEY WATER SUPPLY CO | TX1630036 | Groundwater | 255 | 18 |
| OLD HWY 90 N RIDGE W SYSTEM | TX1630041 | Groundwater | 246 | 10 |
| VALLEY MOBILE HOME PROPERTIES | TX1630011 | Groundwater | 219 | 18 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Texas
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.