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CHRISTIANA MUNI WATER AUTH

Pennsylvania — Community Water System — PWSID: PA7360007

System Information

PWSIDPA7360007
System NameCHRISTIANA 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
CityCHRISTIANA
ZIP Code17509
AddressPO BOX 135
OrganizationCHRISTIANA MUNI WATER AUTH
Phone610-593-5199

Population & Service

Population Served1,100
Service Connections425

Drinking Water Violations (303)

This water system has 303 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
Nov 1, 2024 Nov 30, 2024 Groundwater Rule MR No No — — — Resolved Nov 30, 2024 Ground Water Rule
Nov 1, 2024 Nov 30, 2024 Groundwater Rule MR No No — — — Resolved Nov 30, 2024 Ground Water Rule
Nov 1, 2024 Nov 30, 2024 Groundwater Rule MR No No — — — Resolved Nov 30, 2024 Ground Water Rule
Nov 1, 2024 Nov 30, 2024 Groundwater Rule MR No No — — — Resolved Nov 30, 2024 Ground Water Rule
Jul 13, 2024 — Public Notice Other No No — — — Resolved Sep 11, 2024 Public Notice Rule and Revised PN Rule
Jul 13, 2024 — Public Notice Other No No — — — Resolved Sep 11, 2024 Public Notice Rule and Revised PN Rule
Jul 13, 2024 — Public Notice Other No No — — — Resolved Sep 11, 2024 Public Notice Rule and Revised PN Rule
Jul 13, 2024 — Public Notice Other No No — — — Resolved Sep 11, 2024 Public Notice Rule and Revised PN Rule
Jul 1, 2024 Jul 31, 2024 Groundwater Rule TT Yes No — — — Resolved Jul 31, 2024 Ground Water Rule
Jul 1, 2024 Jul 31, 2024 Groundwater Rule TT Yes No — — — Resolved Jul 31, 2024 Ground Water Rule
Jul 1, 2024 Jul 31, 2024 Groundwater Rule TT Yes No — — — Resolved Jul 31, 2024 Ground Water Rule
Jul 1, 2024 Jul 31, 2024 Groundwater Rule TT Yes No — — — Resolved Jul 31, 2024 Ground Water Rule
May 13, 2024 — Public Notice Other No No — — — Resolved Oct 31, 2024 Public Notice Rule and Revised PN Rule
May 13, 2024 — Public Notice Other No No — — — Resolved Oct 31, 2024 Public Notice Rule and Revised PN Rule
May 13, 2024 — Public Notice Other No No — — — Resolved Oct 31, 2024 Public Notice Rule and Revised PN Rule
May 13, 2024 — Public Notice Other No No — — — Resolved Oct 31, 2024 Public Notice Rule and Revised PN Rule
May 1, 2024 May 31, 2024 Groundwater Rule TT Yes No — — — Resolved May 31, 2024 Ground Water Rule
May 1, 2024 May 31, 2024 Groundwater Rule TT Yes No — — — Resolved May 31, 2024 Ground Water Rule
May 1, 2024 May 31, 2024 Groundwater Rule TT Yes No — — — Resolved May 31, 2024 Ground Water Rule
May 1, 2024 May 31, 2024 Groundwater Rule TT Yes No — — — Resolved May 31, 2024 Ground Water Rule
Oct 1, 2022 Dec 31, 2022 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Oct 1, 2022 Dec 31, 2022 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Apr 1, 2022 Apr 30, 2022 Groundwater Rule MR No No — — — Resolved Apr 30, 2022 Ground Water Rule
Apr 1, 2022 Apr 30, 2022 Groundwater Rule MR No No — — — Resolved Apr 30, 2022 Ground Water Rule
Jul 1, 2021 Sep 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Dec 9, 2020 Consumer Confidence Rule
Oct 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Dec 9, 2020 Consumer Confidence Rule
Jun 1, 2019 Jun 30, 2019 Groundwater Rule TT Yes No — — — Resolved Jun 30, 2019 Ground Water Rule
Jun 1, 2019 Jun 30, 2019 Groundwater Rule TT Yes No — — — Resolved Jun 30, 2019 Ground Water Rule
Jun 1, 2019 Jun 30, 2019 Groundwater Rule TT Yes No — — — Resolved Jun 30, 2019 Ground Water Rule
Jun 1, 2019 Jun 30, 2019 Groundwater Rule TT Yes No — — — Resolved Jun 30, 2019 Ground Water Rule
Apr 1, 2019 Jun 30, 2019 Chlorine MR No No — 4.0 mg/L — Archived Jun 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 Chlorine MR No No — 4.0 mg/L — Archived Jun 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 8, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 19, 2018 Revised Total Coliform Rule
Sep 8, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 19, 2018 Revised Total Coliform Rule
Sep 8, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 19, 2018 Revised Total Coliform Rule
Sep 8, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 19, 2018 Revised Total Coliform Rule
Oct 1, 2016 Oct 31, 2016 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2016 Surface Water Treatment Rule
Oct 1, 2016 Oct 31, 2016 Groundwater Rule MR No Yes — — — Resolved Oct 31, 2016 Ground Water Rule
Oct 1, 2016 Oct 31, 2016 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2016 Surface Water Treatment Rule
Oct 1, 2016 Oct 31, 2016 Groundwater Rule MR No Yes — — — Resolved Oct 31, 2016 Ground Water Rule
Apr 1, 2014 Jun 30, 2014 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 2014 Volatile Organic Chemicals
Apr 1, 2014 Jun 30, 2014 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2014 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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