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DUNCANSVILLE MUNI WATER AUTH

Pennsylvania — Community Water System — PWSID: PA4070012

System Information

PWSIDPA4070012
System NameDUNCANSVILLE MUNI WATER AUTH
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedFeb 12, 1979
Last ReportedDec 17, 2025

Location & Contact

StatePennsylvania
CityDUNCANSVILLE
ZIP Code16635
Address1146 3RD AVE
OrganizationDUNCANSVILLE MUNI WATER AUTH
Phone814-695-1497

Population & Service

Population Served2,350
Service Connections1,011

Drinking Water Violations (133)

This water system has 133 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 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MR No Yes — 0.080 mg/L — Archived Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MR No Yes — 0.080 mg/L — Archived Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Arsenic MR No Yes — 0.010 mg/L — Archived Dec 31, 2024 Arsenic Rule
Jan 1, 2024 Dec 31, 2024 Arsenic MR No Yes — 0.010 mg/L — Archived Dec 31, 2024 Arsenic Rule
Aug 1, 2023 Aug 31, 2023 Groundwater Rule MR No Yes — — — Resolved Aug 31, 2023 Ground Water Rule
Aug 1, 2023 Aug 31, 2023 Groundwater Rule MR No Yes — — — Resolved Aug 31, 2023 Ground Water Rule
Aug 1, 2023 Aug 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2023 Aug 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Dec 31, 2019 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2019 Nitrate Rule
Jan 1, 2019 Dec 31, 2019 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2019 Nitrate Rule
Jan 1, 2019 Dec 31, 2019 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2019 Nitrate Rule
Jan 1, 2019 Dec 31, 2019 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2019 Nitrate Rule
Jan 1, 2019 Dec 31, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2019 Nitrate Rule
Jan 1, 2019 Dec 31, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2019 Nitrate Rule
Jan 1, 2019 Dec 31, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2019 Nitrate Rule
Jan 1, 2019 Dec 31, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2019 Nitrate Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Oct 24, 2017 Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Oct 24, 2017 Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Oct 24, 2017 Consumer Confidence Rule
Jan 1, 2017 Dec 31, 2017 Toxaphene MR No Yes — 0.003 mg/L — Resolved Jul 27, 2017 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Jul 27, 2017 Synthetic Organic Chemicals
Jul 1, 2010 — Consumer Confidence Rule Other No No — — — Resolved Sep 7, 2010 Consumer Confidence Rule
Jul 1, 2010 — Consumer Confidence Rule Other No No — — — Resolved Sep 7, 2010 Consumer Confidence Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Oct 26, 2004 Consumer Confidence Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Oct 26, 2004 Consumer Confidence Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Oct 26, 2004 Consumer Confidence Rule
Jul 1, 2004 Jul 31, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2004 Total Coliform Rule
Jul 1, 2004 Jul 31, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2004 Total Coliform Rule
Apr 1, 2004 Jun 30, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 Jun 30, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 1994 Dec 31, 1994 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Oct 1, 1994 Dec 31, 1994 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Oct 1, 1994 Dec 31, 1994 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Oct 1, 1994 Dec 31, 1994 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Oct 1, 1994 Dec 31, 1994 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Oct 1, 1994 Dec 31, 1994 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Oct 1, 1994 Dec 31, 1994 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Oct 1, 1994 Dec 31, 1994 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Oct 1, 1994 Dec 31, 1994 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Oct 1, 1994 Dec 31, 1994 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals

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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