MERCERSBURG MUNI WATER AUTH

Pennsylvania — Community Water System — PWSID: PA7280021

System Information

PWSIDPA7280021
System NameMERCERSBURG MUNI WATER AUTH
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedFeb 12, 1979
Last ReportedDec 17, 2025

Location & Contact

StatePennsylvania
CityMERCERSBURG
ZIP Code17236
Address113 S Main St
OrganizationMERCERSBURG MUNI WATER AUTH
Phone717-328-3116

Population & Service

Population Served2,350
Service Connections993

Drinking Water Violations (358)

This water system has 358 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
Jul 11, 2025 Revised Total Coliform Rule RPT No No Resolved Nov 13, 2025 Revised Total Coliform Rule
Jul 11, 2025 Revised Total Coliform Rule RPT No No Resolved Nov 13, 2025 Revised Total Coliform Rule
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No No Archived Jun 30, 2025 Revised Total Coliform Rule
Apr 1, 2025 Jun 30, 2025 CARBON, TOTAL MR No Yes TT Archived Jun 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 CARBON, TOTAL MR No Yes TT Archived Jun 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 CARBON, TOTAL MR No Yes TT Archived Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 11, 2024 Public Notice Other No No Resolved Aug 27, 2024 Public Notice Rule and Revised PN Rule
Jul 11, 2024 Public Notice Other No No Resolved Aug 27, 2024 Public Notice Rule and Revised PN Rule
Jul 11, 2024 Public Notice Other No No Resolved Aug 27, 2024 Public Notice Rule and Revised PN Rule
Jul 11, 2024 Public Notice Other No No Resolved Aug 27, 2024 Public Notice Rule and Revised PN Rule
Jul 11, 2024 Public Notice Other No No Resolved Aug 27, 2024 Public Notice Rule and Revised PN Rule
Jul 11, 2024 Public Notice Other No No Resolved Aug 27, 2024 Public Notice Rule and Revised PN Rule
Jun 1, 2024 Jun 30, 2024 Surface Water Treatment Rule MR No No Resolved Jun 30, 2024 Surface Water Treatment Rule
Jun 1, 2024 Jun 30, 2024 Groundwater Rule MR No No Resolved Jun 30, 2024 Ground Water Rule
Jun 1, 2024 Jun 30, 2024 Groundwater Rule MR No No Resolved Jun 30, 2024 Ground Water Rule
Jun 1, 2024 Jun 30, 2024 Surface Water Treatment Rule MR No No Resolved Jun 30, 2024 Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule MR No No Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule MR No No Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Surface Water Treatment Rule MR No Yes Resolved Feb 29, 2024 Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Surface Water Treatment Rule MR No Yes Resolved Feb 29, 2024 Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Groundwater Rule MR No Yes Resolved Feb 29, 2024 Ground Water Rule
Feb 1, 2024 Feb 29, 2024 Chlorine MR No Yes 4.0 mg/L Resolved Feb 29, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2024 Feb 29, 2024 Chlorine MR No Yes 4.0 mg/L Resolved Feb 29, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2024 Feb 29, 2024 Groundwater Rule MR No Yes Resolved Feb 29, 2024 Ground Water Rule
Oct 12, 2023 Public Notice Other No No Resolved Jan 11, 2024 Public Notice Rule and Revised PN Rule
Oct 12, 2023 Public Notice Other No No Resolved Jan 11, 2024 Public Notice Rule and Revised PN Rule
Oct 12, 2023 Public Notice Other No No Resolved Jan 11, 2024 Public Notice Rule and Revised PN Rule
Oct 12, 2023 Public Notice Other No No Resolved Jan 11, 2024 Public Notice Rule and Revised PN Rule
Oct 12, 2023 Public Notice Other No No Resolved Jan 11, 2024 Public Notice Rule and Revised PN Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MCL Yes No Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MCL Yes No Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MCL Yes No Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MCL Yes No Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MCL Yes No Resolved Sep 30, 2023 Revised Total Coliform Rule
Apr 1, 2023 Apr 30, 2023 Surface Water Treatment Rule MR No Yes Resolved Apr 30, 2023 Surface Water Treatment Rule
Apr 1, 2023 Apr 30, 2023 Chlorine MR No Yes 4.0 mg/L Resolved Apr 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Apr 30, 2023 Interim Enhanced Surface Water Treatment Rule MR No No Resolved Apr 30, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Apr 30, 2023 Groundwater Rule MR No Yes Resolved Apr 30, 2023 Ground Water Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
May 1, 2021 May 31, 2021 Revised Total Coliform Rule MON No No Archived May 31, 2021 Revised Total Coliform Rule
May 1, 2021 May 31, 2021 Revised Total Coliform Rule MON No No Archived May 31, 2021 Revised Total Coliform 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.

Browse All Water Systems Water Systems in Pennsylvania