SHAMOKIN DAM, PA · Snyder County

SHAMOKIN DAM BOROUGH Water System

Current status

No open violations on record as of July 4, 2026.

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): PA4550022
System type: Community Water System
Population served: 1,700
Service connections: 748
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2023 – June 30, 2023
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2021 – December 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2021 – September 30, 2021
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2019 – June 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2019 – June 30, 2019
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
August 1, 2018 – October 24, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2018 – January 31, 2018
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2017 – June 30, 2017
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2017 – March 31, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2016 – November 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2016 – December 31, 2016
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2016 – October 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2016 – September 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2015 – September 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2015 – September 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2015 – June 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2015 – June 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2014 – June 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Endrin
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Diquat
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Glyphosate
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Simazine
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
2,4-D
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2011 – September 30, 2011
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Nickel
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Mercury
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Chromium
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Barium
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Diquat
January 1, 2011 – March 31, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2007 – June 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2007 – June 30, 2007
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2004 – March 11, 2005
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Di(2-ethylhexyl) phthalate
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Check/Repeat/Confirmation
—
Di(2-ethylhexyl) phthalate
January 1, 2001 – March 31, 2001
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1994 – January 4, 1996
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1993 – December 31, 1993
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1993 – March 31, 1993
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 1992 – October 31, 1992
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 1992 – September 30, 1992
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1992 – August 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1992 – July 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1992 – June 30, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 1992 – May 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1992 – April 30, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1992 – March 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1992 – February 29, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1992 – January 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1991 – December 31, 1991
Archived
Monitoring, Regular
—
Trichloroethylene
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
Benzene
October 1, 1991 – December 31, 1991
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 1991 – September 30, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1991 – August 31, 1991
Archived
Monitoring, Regular
—
Benzene
April 1, 1991 – June 30, 1991
Archived
Monitoring, Regular
—
Trichloroethylene
April 1, 1991 – June 30, 1991
Archived
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1991 – June 30, 1991
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1991 – June 30, 1991
Archived
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 1991 – June 30, 1991
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1991 – June 30, 1991
Archived
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1991 – June 30, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1991 – February 28, 1991
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1991 – March 31, 1991
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1991 – March 31, 1991
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1991 – March 31, 1991
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1991 – March 31, 1991
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1991 – March 31, 1991
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1991 – March 31, 1991
Archived
Monitoring, Regular
—
Benzene
January 1, 1991 – March 31, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1991 – January 31, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
Tetrachloroethylene
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
CHLOROBENZENE
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
Toluene
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
Ethylbenzene
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
Styrene
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
Carbon tetrachloride
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
Trichloroethylene
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
Benzene
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
October 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
Trichloroethylene
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
Benzene
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
Tetrachloroethylene
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
CHLOROBENZENE
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
Toluene
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
Ethylbenzene
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
Styrene
July 1, 1990 – September 30, 1990
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Styrene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Toluene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Benzene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Barium
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Nitrate
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Selenium
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Cadmium
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Chromium
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Fluoride
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Arsenic
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Mercury
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2025 – April 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Radium-228	—	Resolved
April 1, 2023 – June 30, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2019 – June 30, 2019	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2019 – June 30, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
August 1, 2018 – October 24, 2018	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2018 – January 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2017 – June 30, 2017	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2017 – March 31, 2017	Monitoring and Reporting (DBP)	TTHM	—	Resolved
November 1, 2016 – November 30, 2016	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2016 – October 31, 2016	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2015 – September 30, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2015 – September 30, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Endrin	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Diquat	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Glyphosate	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Simazine	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	2,4-D	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 2011 – June 30, 2011	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nickel	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Mercury	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Chromium	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Barium	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Diquat	—	Resolved
September 1, 2010 – September 30, 2010	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2004 – March 11, 2005	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2001 – March 31, 2001	Maximum Contaminant Level Violation, Single Sample	Di(2-ethylhexyl) phthalate	Health-based	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Check/Repeat/Confirmation	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 1994 – January 4, 1996	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
December 1, 1993 – December 31, 1993	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 1993 – March 31, 1993	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 1992 – October 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 1992 – September 30, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 1992 – August 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1992 – July 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 1992 – June 30, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 1992 – May 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1992 – April 30, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 1992 – March 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 1992 – February 29, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1992 – January 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
December 1, 1991 – December 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 1991 – December 31, 1991	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 1991 – December 31, 1991	Monitoring, Regular	Benzene	—	Resolved
September 1, 1991 – September 30, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 1991 – August 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1991 – June 30, 1991	Monitoring, Regular	Benzene	—	Archived
April 1, 1991 – June 30, 1991	Monitoring, Regular	Trichloroethylene	—	Archived
April 1, 1991 – June 30, 1991	Monitoring, Regular	Carbon tetrachloride	—	Archived
April 1, 1991 – June 30, 1991	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
April 1, 1991 – June 30, 1991	Monitoring, Regular	1,2-Dichloroethane	—	Archived
April 1, 1991 – June 30, 1991	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
April 1, 1991 – June 30, 1991	Monitoring, Regular	p-Dichlorobenzene	—	Archived
February 1, 1991 – February 28, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1991 – March 31, 1991	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 1991 – March 31, 1991	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 1991 – March 31, 1991	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 1991 – March 31, 1991	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 1991 – March 31, 1991	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 1991 – March 31, 1991	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 1991 – March 31, 1991	Monitoring, Regular	Benzene	—	Archived
January 1, 1991 – January 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
December 1, 1990 – December 31, 1990	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	DICHLOROMETHANE	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	o-Dichlorobenzene	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	1,2-Dichloropropane	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	Tetrachloroethylene	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	CHLOROBENZENE	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	Toluene	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	Ethylbenzene	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	Styrene	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	p-Dichlorobenzene	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	1,2-Dichloroethane	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	Carbon tetrachloride	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	Trichloroethylene	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	Benzene	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
October 1, 1990 – December 31, 1990	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	p-Dichlorobenzene	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	1,2-Dichloroethane	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	Carbon tetrachloride	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	Trichloroethylene	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	Benzene	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	DICHLOROMETHANE	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	o-Dichlorobenzene	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	1,2-Dichloropropane	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	Tetrachloroethylene	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	CHLOROBENZENE	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	Toluene	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	Ethylbenzene	—	Archived
July 1, 1990 – September 30, 1990	Monitoring, Regular	Styrene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Styrene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Toluene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Benzene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	p-Dichlorobenzene	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Barium	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Nitrate	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Selenium	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Cadmium	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Chromium	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Fluoride	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Arsenic	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Mercury	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

June 12, 2025State Compliance achieved1 linked violation
June 11, 2025State Compliance achieved3 linked violations
June 11, 2025State Public Notification received3 linked violations
June 11, 2025State Public Notification requested3 linked violations
June 9, 2025State Public Notification requested1 linked violation
June 9, 2025State Formal Notice of Violation issued1 linked violation
January 31, 2025State Violation/Reminder Notice3 linked violations
May 13, 2024State Compliance achieved1 linked violation
May 13, 2024State Public Notification received1 linked violation
December 20, 2023State Public Notification requested1 linked violation
December 20, 2023State Violation/Reminder Notice1 linked violation
June 2, 2022State Public Notification received1 linked violation
June 2, 2022State Compliance achieved1 linked violation
March 31, 2022State Compliance achieved1 linked violation
February 11, 2022State Public Notification requested1 linked violation
February 11, 2022State Violation/Reminder Notice1 linked violation
December 1, 2021State Violation/Reminder Notice1 linked violation
September 25, 2019State Compliance achieved2 linked violations
September 25, 2019State Violation/Reminder Notice2 linked violations
November 16, 2018State Compliance achieved1 linked violation
November 16, 2018State Public Notification received1 linked violation
November 16, 2018State Public Notification requested1 linked violation
November 16, 2018State Violation/Reminder Notice1 linked violation
November 5, 2018State Compliance achieved1 linked violation
October 24, 2018State Violation/Reminder Notice1 linked violation
October 24, 2018State Compliance achieved1 linked violation
October 12, 2018State Compliance achieved1 linked violation
October 12, 2018State Violation/Reminder Notice1 linked violation
June 14, 2018State Public Notification received4 linked violations
June 14, 2018State Compliance achieved4 linked violations
January 29, 2018State Compliance achieved1 linked violation
January 29, 2018State Public Notification requested4 linked violations
November 22, 2017State Public Notification requested4 linked violations
November 22, 2017State Violation/Reminder Notice1 linked violation
November 22, 2017State Violation/Reminder Notice1 linked violation
February 21, 2017State Compliance achieved1 linked violation
February 21, 2017State Violation/Reminder Notice1 linked violation
February 14, 2017State Violation/Reminder Notice2 linked violations
February 14, 2017State Compliance achieved2 linked violations
December 12, 2016State Violation/Reminder Notice4 linked violations
December 12, 2016State Violation/Reminder Notice4 linked violations
December 12, 2016State Public Notification requested4 linked violations
December 12, 2016State Compliance achieved4 linked violations
December 12, 2016State Public Notification requested4 linked violations
December 6, 2016State Compliance achieved1 linked violation
February 15, 2012State Public Notification requested13 linked violations
February 15, 2012State Compliance achieved13 linked violations
February 15, 2012State Public Notification received13 linked violations
February 15, 2012State Violation/Reminder Notice13 linked violations
January 13, 2012State Violation/Reminder Notice17 linked violations
January 13, 2012State Compliance achieved17 linked violations
January 13, 2012State Public Notification received17 linked violations
January 13, 2012State Public Notification requested17 linked violations
November 15, 2011State Compliance achieved2 linked violations
December 3, 2010State Compliance achieved3 linked violations
November 16, 2007State Compliance achieved2 linked violations
March 11, 2005State Formal Notice of Violation issued1 linked violation
March 11, 2005State Compliance achieved1 linked violation
March 11, 2005State Consent Decree/Judgement1 linked violation
March 17, 1992Federal issued Formal Notice of Violation83 linked violations
June 6, 1991State Formal Notice of Violation issued8 linked violations
February 5, 1991State Formal Notice of Violation issued21 linked violations
January 10, 1991State Public Notification received2 linked violations
November 5, 1987State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 15, 1986State Show-Cause hearinggeneral compliance action — not tied to a specific violation on record
September 30, 1982Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record

Contact

SHAMOKIN DAM BOROUGH

570-743-7565

SHAMOKIN DAM, PA 17876