ZELIENOPLE, PA · Butler County
ROCK LAKE WATER SYSTEM Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of March 31, 2012. 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 Butler 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)
- PA5100130
- System type
- Community Water System
- Population served
- 350
- Service connections
- 153
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2009 – December 31, 2009
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2009 – December 31, 2009
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2009 – June 30, 2009
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2009 – March 31, 2009
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2008 – December 31, 2008
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2008 – June 30, 2008
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2008 – March 31, 2008
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2007 – November 30, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2007 – December 31, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2007 – September 30, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2007 – June 30, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2006 – December 31, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2006 – November 30, 2006
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2006 – December 31, 2006
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2006 – September 30, 2006
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2006 – June 30, 2006
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
March 11, 2006 – December 11, 2006
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2006 – March 31, 2006
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2005 – December 31, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2005 – September 30, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2005 – June 30, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2005 – March 31, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2005 – March 31, 2005
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2004 – March 18, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2004 – December 31, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2004 – August 31, 2004
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2004 – September 30, 2004
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2004 – March 18, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Styrene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—Xylenes, Total
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—DICHLOROMETHANE
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—o-Dichlorobenzene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—p-Dichlorobenzene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—1,2-Dichloroethane
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—Carbon tetrachloride
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—1,2-Dichloropropane
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—Trichloroethylene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—Tetrachloroethylene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—CHLOROBENZENE
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—Benzene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—Toluene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—Ethylbenzene
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—Nitrate
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Selenium
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Nitrate
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Nickel
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Mercury
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Fluoride
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—CYANIDE
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Chromium
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Cadmium
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Barium
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Arsenic
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—OXAMYL
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Endothall
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—BHC-GAMMA
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Methoxychlor
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Chlordane
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Pentachlorophenol
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Benzo(a)pyrene
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—2,4-D
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—LASSO
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Atrazine
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Carbofuran
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Picloram
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Simazine
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—LASSO
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—BHC-GAMMA
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Methoxychlor
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Endothall
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—OXAMYL
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Simazine
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Picloram
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Carbofuran
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Atrazine
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—2,4-D
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Benzo(a)pyrene
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Pentachlorophenol
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Chlordane
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—LASSO
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Nitrate
January 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Endothall
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—OXAMYL
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Simazine
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Picloram
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Carbofuran
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Atrazine
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—2,4-D
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Chlordane
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Selenium
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Nickel
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Mercury
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Fluoride
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—CYANIDE
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Chromium
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Cadmium
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Barium
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Arsenic
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Styrene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Toluene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Benzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 1994 – December 31, 1994
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 1, 2009 – December 31, 2009 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2009 – December 31, 2009 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2009 – March 31, 2009 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2008 – December 31, 2008 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2008 – June 30, 2008 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| November 1, 2007 – November 30, 2007 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2007 – December 31, 2007 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| December 1, 2006 – December 31, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 2006 – November 30, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2006 – September 30, 2006 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| March 11, 2006 – December 11, 2006 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 1, 2006 – March 31, 2006 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2005 – December 31, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2005 – June 30, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2005 – March 31, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2005 – March 31, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2004 – March 18, 2005 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| October 1, 2004 – December 31, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| August 1, 2004 – August 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2004 – September 30, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2004 – March 18, 2005 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | Styrene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | Benzene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | Toluene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | OXAMYL | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Endothall | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Methoxychlor | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Chlordane | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | 2,4-D | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | LASSO | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Atrazine | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Carbofuran | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Picloram | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Simazine | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | LASSO | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Methoxychlor | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Endothall | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | OXAMYL | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Simazine | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Picloram | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Carbofuran | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Atrazine | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | 2,4-D | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 1995 – December 31, 1995 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Antimony, Total | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 28, 2010State Compliance achieved2 linked violations
- January 28, 2010State Violation/Reminder Notice2 linked violations
- July 30, 2009State Compliance achieved2 linked violations
- May 21, 2009State Violation/Reminder Notice1 linked violation
- May 12, 2009State Violation/Reminder Notice1 linked violation
- January 29, 2009State Violation/Reminder Notice1 linked violation
- January 29, 2009State Compliance achieved1 linked violation
- July 22, 2008State Violation/Reminder Notice2 linked violations
- July 22, 2008State Compliance achieved2 linked violations
- April 21, 2008State Compliance achieved1 linked violation
- April 21, 2008State Violation/Reminder Notice1 linked violation
- January 25, 2008State Compliance achieved2 linked violations
- January 25, 2008State Violation/Reminder Notice2 linked violations
- August 8, 2007State Compliance achieved1 linked violation
- August 8, 2007State Violation/Reminder Notice1 linked violation
- May 2, 2007State Public Notification requested2 linked violations
- May 2, 2007State Compliance achieved2 linked violations
- May 2, 2007State Public Notification received2 linked violations
- May 2, 2007State Formal Notice of Violation issued2 linked violations
- April 10, 2007State Violation/Reminder Notice1 linked violation
- April 10, 2007State Compliance achieved1 linked violation
- February 23, 2007State Violation/Reminder Notice1 linked violation
- February 23, 2007State Compliance achieved1 linked violation
- January 4, 2007State Compliance achieved1 linked violation
- January 4, 2007State Violation/Reminder Notice1 linked violation
- December 11, 2006State Compliance achieved2 linked violations
- December 11, 2006State Violation/Reminder Notice2 linked violations
- July 5, 2006State Violation/Reminder Notice3 linked violations
- July 5, 2006State Compliance achieved3 linked violations
- June 30, 2006State Compliance achieved1 linked violation
- June 30, 2006State Public Notification received1 linked violation
- January 31, 2006State Compliance achieved19 linked violations
- January 31, 2006State Public Notification received19 linked violations
- January 11, 2006State Compliance achieved2 linked violations
- January 11, 2006State Violation/Reminder Notice2 linked violations
- December 20, 2005State Compliance achieved1 linked violation
- December 20, 2005State Violation/Reminder Notice1 linked violation
- April 12, 2005State Violation/Reminder Notice1 linked violation
- April 12, 2005State Compliance achieved3 linked violations
- April 12, 2005State Violation/Reminder Notice3 linked violations
- April 12, 2005State Compliance achieved1 linked violation
- March 18, 2005State Compliance achieved2 linked violations
- March 18, 2005State Consent Decree/Judgement2 linked violations
- January 31, 2005State Formal Notice of Violation issued1 linked violation
- October 27, 2004State Formal Notice of Violation issued1 linked violation
- December 16, 2003State Public Notification requested1 linked violation
- December 16, 2003State Formal Notice of Violation issued1 linked violation
Last known contact on file (system is inactive)
ROCK LAKE WATER SYSTEM
724-651-9148
ZELIENOPLE, PA 16063