Public water system · TX1010017
ActiveCity of Katy
Community water system in Harris County, Texas, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25,253
Service connections
10,525
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-06-24 | 34 | 3014 | No | Resolved |
| 2019-07-01 | 27 | 0999 | No | Resolved |
| 1992-07-01 | 51 | 5000 | No | Resolved |
City of Katy: frequently asked questions
Is City of Katy's water safe to drink?
City of Katy is an active community water system regulated under the Safe Drinking Water Act, overseen by the TX state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs City of Katy?
City of Katy (PWSID TX1010017) is a local government-owned community water system, regulated by the TX state drinking water program.
How many people does City of Katy serve?
City of Katy reports serving 25,253 people through 10,525 service connections in Harris County, Texas.
Where does City of Katy get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Harris County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Houston | Harris | 2,970,543 | Community | Surface water |
| City of Pasadena | Harris | 152,000 | Community | Purchased surface water |
| Clear Lake City Water Authority | Harris | 89,702 | Community | Purchased surface water |
| City of Baytown | Harris | 86,004 | Community | Purchased surface water |
| City of Houston Ud 5 - Kingwood | Harris | 80,073 | Community | Groundwater |
| Harris County MUD 165 | Harris | 40,503 | Community | Purchased surface water |