Water Quality: Katy, TX
10 water systems • 47,623 people served
Multiple Health Violations307
Total Violations
44
Health-Based Violations
10
Water Systems
47,623
Population Served
Water Quality Summary
Katy has 44 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Contaminant 1006, Disinfection Byproducts, E. coli, HAA5, Total Organic Carbon. In total, 307 violations are on record for 10 water systems serving 47,623 people.
Contaminants Found
Contaminant 1006
Disinfection Byproducts
E. coli
HAA5
Total Organic Carbon
Water Systems Serving Katy
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF KATY | TX1010017 | Groundwater | 25,253 | 3 |
| MASON CREEK UTILITY DISTRICT | TX1010379 | Groundwater | 8,900 | 6 |
| FORT BEND COUNTY MUD 5 | TX0790482 | Groundwater | 4,665 | 1 |
| KAUFMAN COUNTY MUD 10 | TX1290054 | Surface Water | 2,901 | 3 |
| LANCASTER MUD 1 | TX0570176 | Surface Water | 2,685 | 10 |
| MONTGOMERY COUNTY MUD 137 | TX1700840 | Groundwater | 2,409 | 0 |
| WALLER COUNTY MUD 35 | TX2370145 | Groundwater | 411 | 0 |
| NORTHERN HILLS WATER SERVICE | TX0910126 | Surface Water | 264 | 190 |
| CHANTICOR SERIES | TX1700727 | Groundwater | 90 | 94 |
| AUGUST LAKES WSC | TX2370114 | Groundwater | 45 | 0 |
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.
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.