Public Water Partners

LOCK HAVEN, PA · Clinton County

CITY OF LOCK HAVEN WATER DEPT Water System

Consumer Confidence Report status

CITY OF LOCK HAVEN WATER DEPT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 1 item for CITY OF LOCK HAVEN WATER DEPT that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Pennsylvania’s official records. Always confirm current status with Pennsylvania before making decisions based on this information.

System facts

System ID (PWSID)
PA4180048
System type
Community Water System
Population served
10,000
Service connections
3,200
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

CITY OF LOCK HAVEN WATER DEPT is one of 298 community water systems in Pennsylvania in the 3,301 to 10,000 people size category, serving 10,000 people from surface water.

As of August 1, 2026, its federal record holds 55 entries between 1982 and 2026, of which 1 remains open; none are health-based.

Of the 55, 45 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 2 Disinfectants and Disinfection Byproducts Rule, inorganic chemicals, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.

Violation history

  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2026 – March 31, 2026

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2026 – March 31, 2026

    Archived
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2025

    Unaddressed
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2025 – December 31, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2025 – December 31, 2025

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2025 – September 30, 2025

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    April 1, 2025 – June 30, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    April 1, 2025 – June 30, 2025

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2025 – March 31, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2025 – March 31, 2025

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2024 – December 31, 2024

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2024 – December 31, 2024

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2024 – September 30, 2024

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2024 – September 30, 2024

    Archived
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    June 11, 2024 – March 27, 2026

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 11, 2024 – February 23, 2024

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    January 1, 2024 – January 31, 2024

    Resolved
  • Monitoring, Regular

    Asbestos

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    August 1, 2020 – August 31, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    August 1, 2020 – August 31, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2020 – March 31, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2020 – March 31, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2019 – December 31, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    November 26, 2016 – October 30, 2019

    Resolved
  • Treatment Technique, Level 1 Assessment (RTCR)

    Health-based

    Revised Total Coliform Rule

    October 16, 2016 – October 30, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    November 1, 2015 – November 30, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2015 – December 31, 2015

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 11, 2014 – January 4, 2017

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2014 – May 31, 2014

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    May 1, 2012 – May 31, 2012

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2011 – August 31, 2011

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    February 1, 2011 – February 28, 2011

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2011 – March 31, 2011

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2010 – September 30, 2010

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2008 – September 30, 2008

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 11, 2007 – December 12, 2007

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    October 1, 2007 – October 31, 2007

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2006 – September 30, 2006

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2005 – September 29, 2005

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2004 – October 27, 2004

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    July 1, 1999 – July 31, 1999

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1993 – March 31, 1993

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 1992 – July 12, 1993

    Resolved
  • Monitoring, Regular

    Barium

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Mercury

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Fluoride

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Chromium

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Selenium

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Nitrate

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Arsenic

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Cadmium

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Endrin

    June 24, 1982 – June 23, 1985

    Archived

Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

Common questions

Is CITY OF LOCK HAVEN WATER DEPT required to publish a Consumer Confidence Report?

Yes. CITY OF LOCK HAVEN WATER DEPT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is CITY OF LOCK HAVEN WATER DEPT’s next Consumer Confidence Report due?

CITY OF LOCK HAVEN WATER DEPT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does CITY OF LOCK HAVEN WATER DEPT have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for CITY OF LOCK HAVEN WATER DEPT that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

CITY OF LOCK HAVEN WATER DEPT

570-893-5907

LOCK HAVEN, PA 17745