General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 7528 Calpine Corporation Privately-Owned Business 10350 Socrates Mine Road Middletown, CA 95461 707-431-6198(+) null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 212782 Calpine Corp dba Geysers Power Company LLC Sonoma 1 Utility Structure Owner 02/01/1999 null 212783 Calpine Geothermal Company - CGC 7CA1862 Sonoma 1 Facility Owner 05/07/1986 null 212784 Calpine Geothermal Company - CGC Unit 13 Sonoma 1 Facility Owner 09/27/1984 null 225185 Fourmile Hill Geothermal Siskiyou 1 Facility Owner 12/03/2002 null 225186 Calpine Fourmile Hill Geothermal Project Siskiyou 1 Utility Structure Owner 02/23/1999 null 227109 Geysers Power Co. Aidlin PP Sonoma 1 Facility Owner 01/01/1994 null 237161 Little Geysers Creek Culvert Sonoma 1 Dredge/Fill Site Owner 01/23/2004 null 258304 Calpine Corporation SRGC Sonoma 1 Facility Owner 03/29/1984 null 258305 Calpine SRGC Class II WMU Sonoma 1 Land fill Owner 07/30/1987 null 258306 SRGC Lease 10 CA 958 Sonoma 1 Facility Owner 09/27/1984 null 269302 Unocal at the Geysers Sonoma 1 Facility Owner 08/28/1982 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 648644 Saima Baig Person Employee 01/02/2025 null null 141721 Charlene Wardlow Person Enforcement Contact 10/11/2002 null null 125279 Robert Dickerson Person Facility Contact 01/01/1994 10/01/2002 null Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date 372380 WDR 1 1B02210RSON WDR R1-2009-0103 for CALPINE Geysers Power Co. CPN Wildhorse Geother 1B02210RSON Active WDRMINING R1-2009-0103 12/10/2009 null Discharger 07/21/1999 null 349921 WDR 1 1B02210RSON WDR 08-025 for Calpine Corp dba Geysers Power Company LLC 1B02210RSON Historical NPS R1-2008-0025 07/24/2008 12/10/2009 Discharger 07/21/1999 null 327602 WDR 1 1B02210RSON WDR 07-027 for Calpine Corp dba Geysers Power Company LLC 1B02210RSON Historical WDR R1-2007-0027 04/25/2007 07/24/2008 Discharger 07/21/1999 null 327506 WDR 1 1B02210RSON WDR 05-070 for Calpine Corp dba Geysers Power Company LLC 1B02210RSON Historical WDR R1-2005-0070 08/10/2005 04/27/2007 Discharger 07/21/1999 null 261049 Letter 1 1B86002RSON 1B86002RSON-001 Calpine Corp dba Geysers Power Company LLC Historical WDR 001 07/17/2003 10/15/2003 Discharger 07/17/2003 null 172817 401 Certification 1 1B04005WNSO 1B04005WNSO Little Geysers Creek Culvert Historical CERFILLEXC null 07/02/2004 07/02/2004 Discharger 06/17/2005 null 139173 WDR 1 1B82063OSON WDR 97-04201 for Unocal at the Geysers 1B82063OSON Historical WDR 97-04201 05/22/1997 07/21/1999 Discharger 05/22/1997 null 139172 WDR 1 1B86002RSON WDR 97-042 for Calpine Corp dba Geysers Power Company LLC 1B86002RSON Historical WDR 97-042 05/22/1997 07/21/1999 Discharger 05/22/1997 null 139084 WDR 1 1B84033OSON WDR 95-006 for Calpine Geothermal Company - CGC 7CA1862 1B84033OSON Historical WDR 95-006 03/23/1995 04/26/2007 Discharger 03/23/1995 null 139083 WDR 1 1B84037OSON WDR 95-00503 for Calpine Corporation SRGC 1B84037OSON Historical WDR 95-00503 03/23/1995 04/26/2007 Discharger 03/23/1995 null 139082 WDR 1 1B84109OSON WDR 95-00502 for SRGC Lease 10 CA 958 WDID No. 1B84109OSON Historical WDR 95-00502 03/23/1995 04/26/2007 Discharger 03/23/1995 null 139081 WDR 1 1B84101OSON WDR 95-00501 for Calpine Geothermal Company - CGC Unit 13 Historical WDR 95-00501 03/23/1995 04/26/2007 Discharger 03/23/1995 null 138616 WDR 1 1B82063OSON WDR 90-03502 for Unocal at the Geysers 1B82063OSON Historical WDR 90-03502 04/25/1990 05/22/1997 Discharger 04/25/1990 null 138615 WDR 1 1B82063OSON WDR 90-03501 for Unocal at the Geysers 1B82063OSON Historical WDR 90-03501 04/25/1990 05/22/1997 Discharger 04/25/1990 null 138614 WDR 1 1B82063OSON WDR 90-035 for Unocal at the Geysers 1B82063OSON Historical WDR 90-035 04/25/1990 05/22/1997 Discharger 04/25/1990 null 138320 WDR 1 1B80188OSON WDR 94-01401 for Geysers Power Co. Aidlin PP 1B80188OSON Historical WDR 94-01401 06/23/1994 08/10/2005 Discharger 06/23/1994 null 138319 WDR 1 1B80188OSON WDR 94-014 for Geysers Power Co. Aidlin PP 1B80188OSON Historical WDR 94-014 02/24/1994 08/10/2005 Discharger 02/24/1994 null 138249 WDR 1 1B86002RSON WDR 99-035 for Calpine Corp dba Geysers Power Company LLC 1B86002RSON Active WDRMINING 99-035 07/21/1999 null Discharger 07/21/1999 null 137841 WDR 1 1B80188OSON WDR 88-154 for Geysers Power Co. Aidlin PP 1B80188OSON Historical WDR 88-154 12/01/1988 02/24/1994 Discharger 12/01/1988 null 137706 WDR 1 1B87017RSON WDR 91-051 for Calpine SRGC Class II WMU 1B87017RSON Active LFOPER 91-051 04/25/1991 null Discharger 04/25/1991 null 137651 WDR 1 1B80188OSON WDR 88-057 for Geysers Power Co. Aidlin PP 1B80188OSON Historical WDR 88-057 04/28/1988 12/01/1988 Discharger 04/28/1988 null 137641 WDR 1 1B84033OSON WDR 88-023 for Calpine Geothermal Company - CGC 7CA1862 1B84033OSON Historical WDR 88-023 03/24/1988 05/23/1990 Discharger 03/24/1988 null 137576 WDR 1 1B87017RSON WDR 87-072 for Calpine SRGC Class II WMU 1B87017RSON Historical LNDISP 87-072 07/30/1987 05/22/1990 Discharger 07/30/1987 null 137521 WDR 1 1B84109OSON WDR 84-10901 for SRGC Lease 10 CA 958 WDID No. 1B84109OSON Historical WDR 84-10901 05/07/1986 05/23/1990 Discharger 05/07/1986 null 137520 WDR 1 1B84109OSON WDR 84-109 for SRGC Lease 10 CA 958 WDID No. 1B84109OSON Historical WDR 84-109 09/27/1984 05/07/1986 Discharger 09/27/1984 null 137518 WDR 1 1B84101OSON WDR 84-10101 for Calpine Geothermal Company - CGC Unit 13 1B84101OSON Historical WDR 84-10101 08/24/1988 05/23/1990 Discharger 08/24/1988 null 137517 WDR 1 1B84101OSON WDR 84-101 for Calpine Geothermal Company - CGC Unit 13 1B84101OSON Historical WDR 84-101 09/27/1984 08/24/1988 Discharger 09/27/1984 null 137467 WDR 1 1B84037OSON WDR 84-037 for Calpine Corporation SRGC 1B84037OSON Historical WDR 84-037 03/29/1984 05/23/1990 Discharger 03/29/1984 null 137464 WDR 1 1B84033OSON WDR 84-033 for Calpine Geothermal Company - CGC 7CA1862 1B84033OSON Historical WDR 84-033 05/07/1986 03/24/1988 Discharger 05/07/1986 null 137285 WDR 1 1B87017RSON WDR 90-099 for Calpine SRGC Class II WMU 1B87017RSON Historical LNDISP 90-099 05/23/1990 04/24/1991 Discharger 05/23/1990 null 137284 WDR 1 1B84033OSON WDR 90-098 for Calpine Geothermal Company - CGC 7CA1862 1B84033OSON Historical WDR 90-098 05/23/1990 03/23/1995 Discharger 05/23/1990 null 137283 WDR 1 1B84109OSON WDR 90-097 for SRGC Lease 10 CA 958 WDID No. 1B84109OSON Historical WDR 90-097 05/23/1990 03/23/1995 Discharger 05/23/1990 null 137282 WDR 1 1B84101OSON WDR 90-096 for Calpine Geothermal Company - CGC Unit 13 1B84101OSON Historical WDR 90-096 05/23/1990 03/23/1995 Discharger 05/23/1990 null 137281 WDR 1 1B84037OSON WDR 90-095 for Calpine Corporation SRGC 1B84037OSON Historical WDR 90-095 05/23/1990 03/23/1995 Discharger 05/23/1990 null 137162 WDR 1 1B82063OSON WDR 86-16002 for Unocal at the Geysers 1B82063OSON Historical WDR 86-16002 04/25/1990 05/22/1997 Discharger 04/25/1990 null 137161 WDR 1 1B82063OSON WDR 86-16001 for Unocal at the Geysers 1B82063OSON Historical WDR 86-16001 04/28/1988 04/25/1990 Discharger 04/28/1988 null 137129 WDR 1 1B82063OSON WDR 86-160 for Unocal at the Geysers 1B82063OSON Historical WDR 86-160 08/28/1986 04/25/1990 Discharger 08/28/1986 null 137110 WDR 1 1B86002RSON WDR 86-086 for Calpine Corp dba Geysers Power Company LLC 1B86002RSON Historical WDR 86-086 05/07/1986 05/22/1997 Discharger 05/07/1986 null 136710 WDR 1 1B82063OSON WDR 82-063 for Unocal at the Geysers 1B82063OSON Historical WDR 82-063 08/28/1982 08/28/1986 Discharger 08/28/1982 null 136637 WDR 1 1B80188OSON WDR 80-188 for Geysers Power Co. Aidlin PP 1B80188OSON Historical WDR 80-188 09/25/1980 04/28/1988 Discharger 09/25/1980 null 131657 WDR 1 1A99019RSIS WDR 02-030 for Calpine Fourmile Hill Geothermal Project 1A99019RSIS Historical WDR 02-030 06/27/2002 09/25/2002 Discharger 06/27/2002 null 131337 WDR 1 1B02110RSON Connection of Santa Rosa's Wastewater Pipeline 1B02110RSON Historical WDR R1-2002-0014 01/24/2002 08/10/2005 Discharger 01/24/2002 null 131228 WDR 1 1A99019RSIS WDR 02-089 for Calpine Fourmile Hill Geothermal Project 1A99019RSIS Active WDRMINING R1-2002-0089 09/26/2002 null Discharger 09/26/2002 null Violations within the past calendar year Violation ID Occurrence Date Violation Type Violation Description Violation Status Priority Source Facility Name Violated Reg. Meas. ID Violated Reg. Meas. Order No. Linked To Enf. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 247172 13267 Letter null Enforcement - 1A99019RSIS Calpine Fourmile Hill Geothermal Project WDR 10/11/2002 Historical 222552 Admin Civil Liability 86-194 Enforcement - 1B82063OSON Unocal at the Geysers WDR 12/04/1986 Historical 222553 Admin Civil Liability 86-134 Enforcement - 1B82063OSON Unocal at the Geysers WDR 06/27/1986 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 131228 Saima Baig WDR WDRMINING 09/26/2002 Active 137706 Saima Baig WDR LFOPER 04/25/1991 Active 138249 Saima Baig WDR WDRMINING 07/21/1999 Active 372380 Saima Baig WDR WDRMINING 12/10/2009 Active