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
ArchivedMonitoring, Regular
—Radium-228
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Radium-226
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2025 – December 31, 2025
ArchivedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2025 – September 30, 2025
ArchivedMonitoring and Reporting (DBP)
—TTHM
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—2,4,5-TP
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—2,4-D
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Heptachlor epoxide
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Heptachlor
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—LASSO
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Atrazine
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Carbofuran
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Dinoseb
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Picloram
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Simazine
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—OXAMYL
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Glyphosate
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Endothall
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Diquat
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Dalapon
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Toxaphene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Methoxychlor
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Endrin
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—BHC-GAMMA
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Chlordane
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Pentachlorophenol
January 1, 2025 – December 31, 2025
ArchivedPublic Notification Violation for NPDWR Violation
—Public Notice
December 11, 2024
UnaddressedMonitoring and Reporting (DBP)
—Chlorine
November 1, 2023 – November 30, 2023
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Endrin
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Dalapon
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Diquat
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Endothall
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Simazine
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Picloram
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Atrazine
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—LASSO
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—2,4-D
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Chlordane
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Toluene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Styrene
January 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Fluoride
January 1, 2021 – December 31, 2021
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2019 – June 30, 2019
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Radium-226
October 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Radium-228
October 1, 2016 – December 31, 2016
ResolvedReport Sample Result/Fail Monitor (RTCR)
—Revised Total Coliform Rule
April 1, 2016 – June 20, 2016
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2015 – December 4, 2015
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Styrene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Toluene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Benzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2004 – December 31, 2004
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2004 – November 8, 2005
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2004 – July 31, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2004 – June 30, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2004 – April 30, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 2004 – March 31, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 2004 – February 29, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2003 – April 30, 2003
ResolvedMonitoring, Regular
—Selenium
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Nickel
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Mercury
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Fluoride
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Chromium
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Cadmium
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Barium
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Arsenic
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2002 – December 31, 2004
ResolvedMonitoring, 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
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2026 – January 31, 2026 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Archived |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Radium-228 | — | Archived |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Radium-226 | — | Archived |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| July 1, 2025 – September 30, 2025 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Archived |
| July 1, 2025 – September 30, 2025 | Monitoring and Reporting (DBP) | TTHM | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Benzo(a)pyrene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | HEXACHLOROBENZENE | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | 2,4-D | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Heptachlor epoxide | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Heptachlor | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | 2,3,7,8-TCDD | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | LASSO | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Atrazine | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Carbofuran | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Dinoseb | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Picloram | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Simazine | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | OXAMYL | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Glyphosate | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Endothall | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Diquat | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Dalapon | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Toxaphene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Methoxychlor | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Endrin | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Chlordane | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| December 11, 2024 | Public Notification Violation for NPDWR Violation | Public Notice | — | Unaddressed |
| November 1, 2023 – November 30, 2023 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Fluoride | — | Resolved |
| April 1, 2019 – June 30, 2019 | Monitoring and Reporting (DBP) | Chlorine | — | Archived |
| October 1, 2016 – December 31, 2016 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| October 1, 2016 – December 31, 2016 | Monitoring, Regular | Radium-226 | — | Resolved |
| October 1, 2016 – December 31, 2016 | Monitoring, Regular | Radium-228 | — | Resolved |
| April 1, 2016 – June 20, 2016 | Report Sample Result/Fail Monitor (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2015 – December 4, 2015 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| December 1, 2004 – December 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2004 – November 8, 2005 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2004 – July 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 2004 – June 30, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2004 – April 30, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| March 1, 2004 – March 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| February 1, 2004 – February 29, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2003 – April 30, 2003 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Antimony, Total | — | 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
- March 13, 2026State Public Notification received3 linked violations
- March 13, 2026State Public Notification received32 linked violations
- February 23, 2026State Public Notification requested1 linked violation
- February 23, 2026State Violation/Reminder Notice1 linked violation
- January 27, 2026State Public Notification requested3 linked violations
- January 27, 2026State Violation/Reminder Notice3 linked violations
- October 29, 2025State Formal Notice of Violation issued2 linked violations
- October 29, 2025State Public Notification requested2 linked violations
- July 24, 2025State Public Notification requested30 linked violations
- July 24, 2025State Violation/Reminder Notice30 linked violations
- January 28, 2025State Formal Notice of Violation issued1 linked violation
- February 12, 2024State Compliance achieved30 linked violations
- January 22, 2024State Compliance achieved1 linked violation
- January 22, 2024State Formal Notice of Violation issued30 linked violations
- December 28, 2023State Public Notification requested1 linked violation
- December 28, 2023State Violation/Reminder Notice1 linked violation
- October 4, 2023State Compliance achieved1 linked violation
- June 13, 2023State Public Notification received20 linked violations
- June 7, 2023State Compliance achieved20 linked violations
- January 24, 2023State Public Notification requested20 linked violations
- January 24, 2023State Violation/Reminder Notice20 linked violations
- October 27, 2022State Public Notification requested1 linked violation
- October 27, 2022State Violation/Reminder Notice1 linked violation
- August 3, 2022State Public Notification requested30 linked violations
- August 3, 2022State Public Notification requested30 linked violations
- July 29, 2022State Violation/Reminder Notice30 linked violations
- July 29, 2022State Violation/Reminder Notice30 linked violations
- May 5, 2022State Compliance achieved1 linked violation
- February 9, 2022State Violation/Reminder Notice1 linked violation
- July 29, 2019State Violation/Reminder Notice1 linked violation
- January 28, 2019State Public Notification requested1 linked violation
- January 28, 2019State Formal Notice of Violation issued1 linked violation
- February 16, 2017State Compliance achieved3 linked violations
- January 30, 2017State Violation/Reminder Notice3 linked violations
- June 20, 2016State Compliance achieved1 linked violation
- June 20, 2016State Compliance achieved1 linked violation
- June 7, 2016State Formal Notice of Violation issued1 linked violation
- June 7, 2016State Public Notification requested1 linked violation
- June 7, 2016State Formal Notice of Violation issued1 linked violation
- June 7, 2016State Public Notification requested1 linked violation
- December 4, 2015State Compliance achieved1 linked violation
- August 26, 2015State Formal Notice of Violation issued1 linked violation
- February 21, 2006State Consent Decree/Judgement20 linked violations
- February 21, 2006State Compliance achieved20 linked violations
- January 30, 2006State Violation/Reminder Notice20 linked violations
- November 8, 2005State Compliance achieved1 linked violation
- November 8, 2005State Consent Decree/Judgement1 linked violation
- April 12, 2005State Violation/Reminder Notice1 linked violation
- February 18, 2005State Compliance achieved13 linked violations
- February 18, 2005State Consent Decree/Judgement13 linked violations
- February 14, 2005State Violation/Reminder Notice13 linked violations
- September 20, 2004State Compliance achieved1 linked violation
- September 3, 2004State Consent Decree/Judgement1 linked violation
- August 20, 2004State Compliance achieved1 linked violation
- August 16, 2004State Consent Decree/Judgement1 linked violation
- July 13, 2004State Compliance achieved1 linked violation
- June 24, 2004State Consent Decree/Judgement1 linked violation
- May 28, 2004State Compliance achieved1 linked violation
- May 28, 2004State Consent Decree/Judgement1 linked violation
- April 16, 2004State Public Notification requested1 linked violation
- April 16, 2004State Compliance achieved1 linked violation
- April 16, 2004State Consent Decree/Judgement1 linked violation
- April 16, 2004State Violation/Reminder Notice1 linked violation
- June 7, 2003State Compliance achieved1 linked violation
- June 7, 2003State Violation/Reminder Notice1 linked violation
Contact
MOUNTAIN CREST DEVELOPMENT
570-689-4017
HAMLIN, PA 18427