RIO GRANDE CITY, TX · Starr County

RIO WSC Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Texas’s official records. Always confirm current status with Texas before making decisions based on this information.

System facts

System ID (PWSID): TX2140016
System type: Community Water System
Population served: 6,939
Service connections: 2,313
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2020 – June 30, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2017 – September 30, 2017
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2012 – September 30, 2012
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
June 1, 2020 – June 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2017 – September 30, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

April 22, 2025State Compliance achieved3 linked violations
April 14, 2025State Public Notification requested7 linked violations
June 1, 2023State Compliance achieved5 linked violations
May 13, 2022State Public Notification received6 linked violations
March 24, 2022State Public Notification requested6 linked violations
October 4, 2021State Compliance achieved3 linked violations
November 30, 2020State Public Notification requested5 linked violations
September 2, 2020State Compliance achieved9 linked violations
September 2, 2020State Public Notification received6 linked violations
September 2, 2020State Public Notification received22 linked violations
March 5, 2018State Public Notification received17 linked violations
February 6, 2018State Public Notification requested39 linked violations
June 26, 2015State Compliance achieved8 linked violations
December 6, 2013State Compliance achieved19 linked violations
November 14, 2013State Public Notification requested9 linked violations
May 21, 2013State Public Notification requested5 linked violations
March 27, 2009State Violation/Reminder Notice1 linked violation
March 27, 2009State Public Notification requested4 linked violations
May 1, 1984State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 1, 1983State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 1, 1982State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

GUERRA, OSCAR

956-487-2085

RIO GRANDE CITY, TX 78582-6229