Is CITY OF RIO GRANDE CITY required to publish a Consumer Confidence Report?

Yes. CITY OF RIO GRANDE CITY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is CITY OF RIO GRANDE CITY’s next Consumer Confidence Report due?

CITY OF RIO GRANDE CITY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

RIO GRANDE, TX · Starr County

CITY OF RIO GRANDE CITY Water System

Consumer Confidence Report status

CITY OF RIO GRANDE CITY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 1 item for CITY OF RIO GRANDE CITY that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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): TX2140018
System type: Community Water System
Population served: 18,912
Service connections: 7,337
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

CITY OF RIO GRANDE CITY is one of 385 community water systems in Texas in the 10,001 to 100,000 people size category, serving 18,912 people from surface water.

As of August 1, 2026, its federal record holds 28 entries between 1995 and 2025, of which 1 remains open; none are health-based.

Of the 28, 20 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, the Surface Water Treatment Rules, and the Consumer Confidence Rule.

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2025
Unaddressed
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2023 – July 31, 2023
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2023 – November 13, 2023
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2023 – July 31, 2023
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Aldicarb
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Dalapon
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Picloram
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
2,4-D
January 1, 2020 – December 31, 2022
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
Picloram
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2017 – December 31, 2019
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2017 – December 31, 2019
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 2015 – March 31, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
December 18, 2014 – April 8, 2015
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2014 – December 31, 2022
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
November 1, 2009 – November 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 1996 – March 31, 1996
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 1995 – December 31, 1995
Resolved

Unaddressed no corrective action on record yetResolved 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
July 1, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
July 1, 2023 – July 31, 2023	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2023 – November 13, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2023 – July 31, 2023	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Aldicarb sulfoxide	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Aldicarb sulfone	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Aldicarb	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Dalapon	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Picloram	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	2,4-D	—	Archived
December 1, 2018 – December 31, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Aldicarb sulfone	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	Picloram	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2017 – December 31, 2019	Monitoring, Regular	OXAMYL	—	Archived
March 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 18, 2014 – April 8, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2014 – December 31, 2022	Monitoring, Regular	Nitrite	—	Archived
November 1, 2009 – November 30, 2009	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – March 31, 1996	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 1995 – December 31, 1995	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

March 23, 2021State Public Notification received746 linked violations
August 1, 1980Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record

Common questions

Is CITY OF RIO GRANDE CITY required to publish a Consumer Confidence Report?: Yes. CITY OF RIO GRANDE CITY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is CITY OF RIO GRANDE CITY’s next Consumer Confidence Report due?: CITY OF RIO GRANDE CITY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CITY OF RIO GRANDE CITY have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 item for CITY OF RIO GRANDE CITY that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

FALCON, GILBERTO

956-487-0672

RIO GRANDE, TX 78582-9460