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MCALISTERVILLE AREA JOINT AUTH

Pennsylvania — Community Water System — PWSID: PA4340002

System Information

PWSIDPA4340002
System NameMCALISTERVILLE AREA JOINT AUTH
System TypeCommunity Water System
Water SourceGround Water Under Influence
Activity StatusActive
Owner TypeLocal
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedFeb 12, 1979
Last ReportedDec 17, 2025

Location & Contact

StatePennsylvania
CityMC ALISTERVILLE
ZIP Code17049
AddressPO Box 61
OrganizationMCALISTERVILLE AREA JOINT AUTH
Phone717-463-3434

Population & Service

Population Served850
Service Connections425

Drinking Water Violations (638)

This water system has 638 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
Apr 1, 2025 Apr 30, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2025 Surface Water Treatment Rule
Apr 1, 2025 Apr 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Apr 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Apr 30, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2025 Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Groundwater Rule MR No No — — — Resolved Mar 31, 2025 Ground Water Rule
Mar 1, 2025 Mar 31, 2025 Groundwater Rule MR No No — — — Resolved Mar 31, 2025 Ground Water Rule
May 1, 2024 May 31, 2024 Groundwater Rule MR No No — — — Resolved May 31, 2024 Ground Water Rule
May 1, 2024 May 31, 2024 Groundwater Rule MR No No — — — Resolved May 31, 2024 Ground Water Rule
Mar 1, 2024 Mar 31, 2024 Groundwater Rule MR No No — — — Resolved Mar 31, 2024 Ground Water Rule
Mar 1, 2024 Mar 31, 2024 Groundwater Rule MR No No — — — Resolved Mar 31, 2024 Ground Water Rule
May 1, 2023 May 31, 2023 Groundwater Rule MR No No — — — Resolved May 31, 2023 Ground Water Rule
May 1, 2023 May 31, 2023 Groundwater Rule MR No No — — — Resolved May 31, 2023 Ground Water Rule
Jan 1, 2023 Mar 31, 2023 Nitrite MR No Yes — 1 mg/L — Resolved Mar 31, 2023 Nitrate Rule
Jan 1, 2023 Mar 31, 2023 Nitrite MR No Yes — 1 mg/L — Resolved Mar 31, 2023 Nitrate Rule
Jan 1, 2023 Mar 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2023 Nitrate Rule
Jan 1, 2023 Mar 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2023 Nitrate Rule
Feb 1, 2022 Feb 28, 2022 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 28, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2022 Feb 28, 2022 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 28, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 11, 2021 — Public Notice Other No No — — — Resolved Aug 31, 2021 Public Notice Rule and Revised PN Rule
May 11, 2021 — Public Notice Other No No — — — Resolved Aug 31, 2021 Public Notice Rule and Revised PN Rule
May 11, 2021 — Public Notice Other No No — — — Resolved Aug 31, 2021 Public Notice Rule and Revised PN Rule
Mar 1, 2021 Mar 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Mar 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2021 Mar 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Mar 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2021 Mar 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Mar 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2021 Mar 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Mar 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2021 Mar 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Mar 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2021 Mar 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Mar 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2021 Mar 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Jan 31, 2021 Groundwater Rule MR No No — — — Resolved Jan 31, 2021 Ground Water Rule
Jan 1, 2021 Mar 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Jan 31, 2021 Groundwater Rule MR No No — — — Resolved Jan 31, 2021 Ground Water Rule
Jan 1, 2021 Mar 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Jun 30, 2020 Volatile Organic Chemicals
Apr 1, 2020 Jun 30, 2020 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2020 Volatile Organic Chemicals
Apr 1, 2020 Jun 30, 2020 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2020 Volatile Organic Chemicals
Apr 1, 2020 Jun 30, 2020 Styrene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2020 Volatile Organic Chemicals
Apr 1, 2020 Jun 30, 2020 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2020 Volatile Organic Chemicals
Apr 1, 2020 Apr 30, 2020 Groundwater Rule MR No Yes — — — Resolved Apr 30, 2020 Ground Water 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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