MERCER, PA · Mercer County

MERCER WATER COMPANY Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 19, 1996. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Mercer County, PA.

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): PA6430058
System type: Community Water System
Population served: 2,750
Service connections: 1,121
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1994 – December 10, 1995
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1994 – April 25, 1995
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 1992 – June 30, 1992
Archived
Monitoring, Regular
—
Toluene
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
CHLOROBENZENE
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
Tetrachloroethylene
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
Benzene
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
Trichloroethylene
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
Styrene
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
Ethylbenzene
July 1, 1989 – September 30, 1989
Archived
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Trichloroethylene
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Benzene
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Tetrachloroethylene
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
CHLOROBENZENE
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Toluene
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Ethylbenzene
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Styrene
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
Styrene
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
Toluene
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1989 – March 31, 1989
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1989 – March 31, 1989
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
—
Barium
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Mercury
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Selenium
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Nitrate
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Fluoride
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Arsenic
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Barium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Chromium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Cadmium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4-D
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
BHC-GAMMA
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
July 1, 1994 – December 10, 1995	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 1994 – April 25, 1995	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
June 1, 1992 – June 30, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	Toluene	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	CHLOROBENZENE	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	Tetrachloroethylene	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	1,2-Dichloropropane	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	o-Dichlorobenzene	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	DICHLOROMETHANE	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	Benzene	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	Trichloroethylene	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	Carbon tetrachloride	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	p-Dichlorobenzene	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	1,2-Dichloroethane	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	Styrene	—	Archived
July 1, 1989 – September 30, 1989	Monitoring, Regular	Ethylbenzene	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	o-Dichlorobenzene	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	p-Dichlorobenzene	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	1,2-Dichloroethane	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Carbon tetrachloride	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Trichloroethylene	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Benzene	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	DICHLOROMETHANE	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	1,2-Dichloropropane	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Tetrachloroethylene	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	CHLOROBENZENE	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Toluene	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Ethylbenzene	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Styrene	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	Styrene	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	Toluene	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 1989 – March 31, 1989	Monitoring, Regular	Trichloroethylene	—	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	Barium	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Mercury	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Selenium	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Nitrate	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Fluoride	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Arsenic	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Barium	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Chromium	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Cadmium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4-D	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	BHC-GAMMA	—	Archived

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

Enforcement actions

November 14, 1989State Formal Notice of Violation issued20 linked violations
May 15, 1989State Public Notification received1 linked violation
May 15, 1989State Formal Notice of Violation issued40 linked violations
April 9, 1989State Formal Notice of Violation issued20 linked violations
February 1, 1989State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
June 29, 1987State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
February 25, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 11, 1983State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 5, 1982State Public Notification requestedgeneral 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

Last known contact on file (system is inactive)

Not on record

724-662-2490

MERCER, PA 16137