RIO HONDO, TX · Cameron County

EAST RIO HONDO WSC ARROYO CITY 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): TX0310031
System type: Community Water System
Population served: 1,953
Service connections: 651
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Regular
—
Endrin
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Atrazine
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
BHC-GAMMA
October 1, 2011 – December 31, 2011
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – April 12, 2011
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
January 1, 2004 – April 12, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1992 – November 30, 1992
Archived
Notification, Public
—
Coliform (TCR)
October 1, 1991 – October 31, 1991
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1991 – October 31, 1991
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2011 – December 31, 2011	Monitoring, Regular	Endrin	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring, Regular	Atrazine	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2008 – April 12, 2011	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2004 – April 12, 2011	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
November 1, 1992 – November 30, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1991 – October 31, 1991	Notification, Public	Coliform (TCR)	—	Archived
October 1, 1991 – October 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

August 26, 2013State no longer subject to Rule3 linked violations
August 26, 2013State no longer subject to Rule6 linked violations
August 26, 2013State no longer subject to Rule2 linked violations
August 26, 2013State no longer subject to Rule3 linked violations
August 26, 2013State no longer subject to Rule1 linked violation
August 26, 2013State no longer subject to Rule3 linked violations
August 26, 2013State no longer subject to Rule3 linked violations
August 26, 2013State no longer subject to Rule3 linked violations
August 26, 2013State no longer subject to Rule3 linked violations
October 26, 2011State Public Notification received5 linked violations
April 12, 2011State Compliance achieved4 linked violations
November 13, 2006State Compliance achieved5 linked violations
November 13, 2006State Compliance achieved4 linked violations
November 13, 2006State Compliance achieved4 linked violations
August 1, 1982State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
August 1, 1980Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record

Contact

MIDDLETON JR, ROBERT, E

956-748-3633

RIO HONDO, TX 78583-0621