Drinking Water Compliance OS

HAMLIN, PA · Wayne County

MOUNTAIN CREST DEVELOPMENT Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
PA2640056
System type
Community Water System
Population served
44
Service connections
17
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    January 1, 2026 – January 31, 2026

    Archived
  • Monitoring, Regular

    Radium-228

    October 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Radium-226

    October 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 2025 – December 31, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2025 – September 30, 2025

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2025 – September 30, 2025

    Archived
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    2,4-D

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Heptachlor

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    LASSO

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Atrazine

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Carbofuran

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Dinoseb

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Picloram

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Simazine

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    OXAMYL

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Glyphosate

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Endothall

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Diquat

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Dalapon

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Toxaphene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Methoxychlor

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Endrin

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Chlordane

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2025 – December 31, 2025

    Archived
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 11, 2024

    Unaddressed
  • Monitoring and Reporting (DBP)

    Chlorine

    November 1, 2023 – November 30, 2023

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2021 – December 31, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2019 – June 30, 2019

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 2016 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Radium-226

    October 1, 2016 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Radium-228

    October 1, 2016 – December 31, 2016

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    April 1, 2016 – June 20, 2016

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2015 – December 4, 2015

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2004 – December 31, 2004

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2004 – November 8, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2004 – July 31, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2004 – June 30, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2004 – April 30, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2004 – March 31, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2004 – February 29, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2003 – April 30, 2003

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2002 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2002 – December 31, 2004

    Resolved

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

Contact

MOUNTAIN CREST DEVELOPMENT

570-689-4017

HAMLIN, PA 18427