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HOPATCONG WATER DEPT

New Jersey — Community Water System — PWSID: NJ1912001

System Information

PWSIDNJ1912001
System NameHOPATCONG WATER DEPT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region02
Serves SchoolNo
WholesalerNo
First ReportedMar 1, 1980
Last ReportedDec 23, 2025

Location & Contact

StateNew Jersey
CityHOPATCONG
ZIP Code07843
Address111 RIVER STYX ROAD
OrganizationMASON, PAT
Phone973-770-1200

Population & Service

Population Served7,224
Service Connections2,113

Drinking Water Violations (421)

This water system has 421 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 11, 2025 — E. COLI MR No No — — — Unaddressed — Ground Water Rule
Apr 11, 2025 — E. COLI MR No No — — — Unaddressed — Ground Water Rule
Oct 1, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 1, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Apr 11, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Apr 11, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Apr 11, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Apr 11, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Feb 12, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Feb 12, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Apr 11, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Feb 12, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Feb 12, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Apr 11, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Apr 11, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Apr 11, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Apr 11, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Feb 12, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Apr 11, 2024 Public Notice Rule and Revised PN Rule
Jan 12, 2024 — Public Notice Other No No — — — Resolved Feb 12, 2024 Public Notice Rule and Revised PN Rule
May 25, 2022 — Public Notice Other No No — — — Resolved Jul 15, 2022 Public Notice Rule and Revised PN Rule
May 25, 2022 — Public Notice Other No No — — — Resolved Jul 15, 2022 Public Notice Rule and Revised PN Rule
Feb 25, 2022 — Public Notice Other No No — — — Resolved Sep 30, 2022 Public Notice Rule and Revised PN Rule
Feb 25, 2022 — Public Notice Other No No — — — Resolved Sep 30, 2022 Public Notice Rule and Revised PN Rule
Feb 25, 2022 — Public Notice Other No No — — — Resolved Sep 30, 2022 Public Notice Rule and Revised PN Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Oct 1, 2018 Dec 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 15, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 15, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Dec 31, 2016 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2016 Volatile Organic Chemicals
Jan 1, 2016 Dec 31, 2016 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2016 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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