Water quality in Rio Hondo, Texas
Rio Hondo is in Cameron County. 30 active public water systems serve the county; 20 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Cameron County
20 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| East Rio Hondo WSC |
25,509 | 0 | 4.9 mi | |
| City of San Benito |
24,250 | 1 | 7.9 mi | |
| East Rio Hondo WSC Arroyo City |
1,953 | 0 | 8.4 mi | |
| Harlingen Water Works System |
85,900 | 0 | 8.5 mi | |
| Carefree Valley Resort |
600 | 3 | 8.8 mi | |
| City of Combes |
3,500 | 4 | 9.2 mi | |
| City of Primera |
5,811 | 4 | 10.6 mi | |
| City of Palm Valley |
1,310 | 0 | 11.0 mi | |
| Town of Indian Lake |
888 | 2 | 11.3 mi | |
| Southmost Regional Water Authority |
0 | 1 | 11.7 mi | |
| City of los Fresnos |
6,009 | 1 | 13.2 mi | |
| Olmito WSC |
8,952 | 0 | 14.1 mi | |
| City of Santa Rosa |
2,883 | 5 | 15.2 mi | |
| Military Hwy WSC del Mar Heights |
213 | 0 | 15.5 mi | |
| City of la Feria |
7,226 | 2 | 16.0 mi | |
| Valley MUD 2 Rancho Viejo |
3,644 | 1 | 16.1 mi | |
| Laguna Madre Water District |
46,674 | 1 | 20.6 mi | |
| Brownsville Public Utilities Board |
201,249 | 0 | 21.7 mi | |
| EL Jardin WSC |
9,423 | 0 | 24.3 mi | |
| Starbase Water System |
743 | 2 | — |
Non-community systems in Cameron County (9: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Brownsville Pub Water Hauler |
25 | 1 | 0 | |
|
Starbase AD Astra School |
28 | 3 | 2 | |
|
Starbase Spacex Water Hauler |
806 | 0 | 0 | |
|
Starbase Huddleston Tiny Homes |
88 | 1 | 0 | |
|
Brownsville Navigation District |
2,500 | 1 | 0 | |
|
Port Isabel Detention Center |
1,500 | 1 | 0 | |
|
Starbase Pad Restroom PWS |
200 | 0 | 0 | |
|
Starbase AD Astra Phase 1a |
121 | 1 | 1 | |
|
Dusty Boots Bar and Dance Hall |
99 | 1 | 0 |
About this data
Water systems are matched to Cameron County, nearest to Rio Hondo 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.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 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.