Water quality for ZIP code 78618
Gillespie County, Texas, one of 4 ZIP codes in the county. 81 active public water systems serve the county; 39 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Gillespie County
16 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Harper Road Estates |
333 | 6 | 13.5 mi | |
| Silver Wings Fly in Ranch |
42 | 3 | 16.9 mi | |
| West Oak Heights |
213 | 0 | 18.4 mi | |
| Northwest Hills Water Supply |
219 | 0 | 18.9 mi | |
| Royal Oaks Apartments |
57 | 5 | 19.6 mi | |
| Bernhard Trailer Park |
60 | 2 | 20.3 mi | |
| City of Fredericksburg |
12,360 | 4 | 21.1 mi | |
| Liveoaks Mobile Home Park |
200 | 4 | 22.4 mi | |
| Deerwood Subdivision |
357 | 0 | 23.5 mi | |
| Whispering Oaks Water Works |
189 | 2 | 25.4 mi | |
| Oakview Water System |
195 | 0 | 27.0 mi | |
| Chaparral Water System Gillespie |
159 | 3 | 29.6 mi | |
| Vineyard Ridge Water Supply |
261 | 3 | 33.0 mi | |
| Stonewall Wcid |
726 | 1 | 33.8 mi | |
| Reservation Ranch |
180 | 1 | — | |
| Siracusa Rentals |
31 | 0 | — |
Non-community systems in Gillespie County (64: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Gillespie County, the county this ZIP code lies in, nearest to the ZIP code's centre first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Texas records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.