MERCEDES, TX · Hidalgo County

LLANO GRANDE LAKE PARK WEST Water System

Current status

1 open health-based violation on record as of July 4, 2026. See the violation history below for contaminant and status details.

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): TX1080236
System type: Community Water System
Population served: 300
Service connections: 439
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – November 16, 2023
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2022 – July 7, 2023
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
February 26, 2022
Unaddressed
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2022 – June 30, 2022
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
September 29, 2021 – April 10, 2025
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2020 – December 31, 2020
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 16, 2019 – September 8, 2021
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
September 29, 2019 – April 10, 2025
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2019 – December 31, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 17, 2018 – September 8, 2021
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2018 – June 30, 2018
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2017 – December 31, 2017
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2017 – June 30, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 8, 2016 – September 8, 2021
Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2022 – November 16, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2022 – July 7, 2023	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
February 26, 2022	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Unaddressed
January 1, 2022 – June 30, 2022	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
September 29, 2021 – April 10, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2020 – December 31, 2020	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
November 16, 2019 – September 8, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
September 29, 2019 – April 10, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2019 – December 31, 2019	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
August 17, 2018 – September 8, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2018 – June 30, 2018	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2017 – December 31, 2017	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2017 – June 30, 2017	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
February 8, 2016 – September 8, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

December 31, 2025State Violation/Reminder Notice1 linked violation
April 30, 2025State Violation/Reminder Notice2 linked violations
April 10, 2025State Compliance achieved12 linked violations
October 30, 2024State Violation/Reminder Notice1 linked violation
March 8, 2024State Public Notification requested3 linked violations
November 13, 2023State Public Notification received4 linked violations
November 13, 2023State Public Notification received3 linked violations
October 16, 2023State Violation/Reminder Notice3 linked violations
July 25, 2023State Public Notification requested3 linked violations
July 7, 2023State Compliance achieved7 linked violations
January 25, 2023State Violation/Reminder Notice7 linked violations
January 18, 2023State Compliance achieved18 linked violations
July 5, 2022State Violation/Reminder Notice7 linked violations
September 14, 2021State Compliance achieved7 linked violations
September 8, 2021State Public Notification received9 linked violations
September 8, 2021State Public Notification received14 linked violations
November 20, 2020State Compliance achieved8 linked violations
August 21, 2020State Public Notification requested10 linked violations
December 20, 2018State Formal Notice of Violation issued18 linked violations
September 11, 2018State Violation/Reminder Notice7 linked violations
September 11, 2018State Violation/Reminder Notice9 linked violations
October 24, 2017State Violation/Reminder Notice18 linked violations

Contact

WEINER, ELIAS

956-565-2638

MERCEDES, TX 78570-7108