RIO WSC

Texas — Community Water System — PWSID: TX2140016

System Information

PWSIDTX2140016
System NameRIO WSC
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedMar 14, 1980
Last ReportedJan 6, 2026

Location & Contact

StateTexas
CityRIO GRANDE CITY
ZIP Code78582-6229
Address42 N SUNTEX RD
OrganizationGUERRA, OSCAR
Phone956-487-2085

Population & Service

Population Served6,639
Service Connections2,213

Drinking Water Violations (159)

This water system has 159 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Oct 17, 2024 LEAD AND COPPER RULE REVISIONS TT Yes No Resolved Apr 22, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 LEAD AND COPPER RULE REVISIONS RPT No No Resolved Apr 22, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 LEAD AND COPPER RULE REVISIONS RPT No No Resolved Apr 22, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 LEAD AND COPPER RULE REVISIONS RPT No No Resolved Apr 22, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 LEAD AND COPPER RULE REVISIONS RPT No No Resolved Apr 22, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 LEAD AND COPPER RULE REVISIONS TT Yes No Resolved Apr 22, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 LEAD AND COPPER RULE REVISIONS TT Yes No Resolved Apr 22, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 LEAD AND COPPER RULE REVISIONS TT Yes No Resolved Apr 22, 2025 Lead and Copper Rule Revisions
Jul 1, 2023 Consumer Confidence Rule Other No No Resolved Oct 19, 2023 Consumer Confidence Rule
Jul 1, 2023 Consumer Confidence Rule Other No No Resolved Oct 19, 2023 Consumer Confidence Rule
Jul 1, 2022 Consumer Confidence Rule Other No No Resolved Oct 19, 2023 Consumer Confidence Rule
Jul 1, 2022 Consumer Confidence Rule Other No No Resolved Oct 19, 2023 Consumer Confidence Rule
Jul 1, 2022 Consumer Confidence Rule Other No No Resolved Oct 19, 2023 Consumer Confidence Rule
Dec 30, 2021 Lead and Copper Rule MR No No TT Resolved Jun 1, 2023 Lead and Copper Rule
Dec 30, 2021 Lead and Copper Rule MR No No TT Resolved Jun 1, 2023 Lead and Copper Rule
Dec 23, 2021 Public Notice Other No No Unaddressed Public Notice Rule and Revised PN Rule
Nov 1, 2021 Public Notice Other No No Unaddressed Public Notice Rule and Revised PN Rule
Oct 1, 2021 Public Notice Other No No Unaddressed Public Notice Rule and Revised PN Rule
Oct 1, 2021 Dec 31, 2021 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 2021 Nitrate Rule
Oct 1, 2021 Dec 31, 2021 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 2021 Nitrate Rule
Oct 1, 2021 Dec 31, 2021 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 2021 Nitrate Rule
Oct 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Public Notice Other No No Unaddressed Public Notice Rule and Revised PN Rule
Jul 1, 2021 Consumer Confidence Rule Other No No Resolved Oct 19, 2023 Consumer Confidence Rule
Jul 1, 2021 Consumer Confidence Rule Other No No Resolved Oct 19, 2023 Consumer Confidence Rule
Oct 1, 2020 Lead and Copper Rule MR No No TT Resolved Oct 4, 2021 Lead and Copper Rule
Oct 1, 2020 Oct 31, 2020 Revised Total Coliform Rule MON No No Resolved Oct 31, 2020 Revised Total Coliform Rule
Oct 1, 2020 Oct 31, 2020 Revised Total Coliform Rule MON No No Resolved Oct 31, 2020 Revised Total Coliform Rule
Oct 1, 2020 Oct 31, 2020 Revised Total Coliform Rule MON No No Resolved Oct 31, 2020 Revised Total Coliform Rule
Oct 1, 2020 Lead and Copper Rule MR No No TT Resolved Oct 4, 2021 Lead and Copper Rule
Oct 1, 2020 Lead and Copper Rule MR No No TT Resolved Oct 4, 2021 Lead and Copper Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No No Resolved Sep 30, 2020 Revised Total Coliform Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No No Resolved Sep 30, 2020 Revised Total Coliform Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No No Resolved Sep 30, 2020 Revised Total Coliform Rule
Aug 1, 2020 Aug 31, 2020 Revised Total Coliform Rule MON No No Resolved Aug 31, 2020 Revised Total Coliform Rule
Aug 1, 2020 Aug 31, 2020 Revised Total Coliform Rule MON No No Resolved Aug 31, 2020 Revised Total Coliform Rule
Aug 1, 2020 Aug 31, 2020 Revised Total Coliform Rule MON No No Resolved Aug 31, 2020 Revised Total Coliform Rule
Jul 1, 2020 Jul 31, 2020 Revised Total Coliform Rule MON No No Resolved Jul 31, 2020 Revised Total Coliform Rule
Jul 1, 2020 Jul 31, 2020 Revised Total Coliform Rule MON No No Resolved Jul 31, 2020 Revised Total Coliform Rule
Jul 1, 2020 Consumer Confidence Rule Other No No Resolved Oct 19, 2023 Consumer Confidence Rule
Jul 1, 2020 Jul 31, 2020 Revised Total Coliform Rule MON No No Resolved Jul 31, 2020 Revised Total Coliform Rule
Jul 1, 2020 Jul 31, 2020 Revised Total Coliform Rule MON No No Resolved Jul 31, 2020 Revised Total Coliform Rule
Jul 1, 2020 Consumer Confidence Rule Other No No Resolved Oct 19, 2023 Consumer Confidence Rule
Jun 21, 2020 Public Notice Other No No Resolved Sep 2, 2020 Public Notice Rule and Revised PN Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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