General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 37426 Rio Alto WD Special District 22099 River View Drive Cottonwood, CA 96022 530-347-3835 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 849002 Rio Alto Water District WS Tehama 5R Utility Structure Owner and Operator 07/12/2018 null 236190 Lake California WWTP Tehama 5R Wastewater Treatment Facility Owner 05/04/1998 null 631282 Lake California CS Tehama 5R Collection_System Owner 03/19/2009 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 306174 Roger Sherrill Person Legally Responsible Official 08/07/2007 04/18/2017 null 508127 Martha Slack Person Legally Responsible Official 05/22/2009 null null 493277 Dean Sherrill Person Legally Responsible Official 12/19/2008 null null 306174 Roger Sherrill Person Legal representative 05/04/1998 04/18/2017 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 397559 WDR 5R 5A520104001 WDR R5-2016-0033 for Rio Alto WD Active WDRMUNILRG R5-2016-0033 04/21/2016 null Discharger 08/04/2014 null 301275 Enrollee - WDR 5R 5SSO10826 Enrollee of SB SSO WDR for Rio Alto WD - Lake California CS Active SSOMUNISML 2022-0103-DWQ 10/11/2006 null Discharger 04/18/2006 null 422682 Enrollee - NPDES 5R 4DW0568 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for Rio Alto WD Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2018 null Discharger 07/12/2018 null 134465 NPDES Permit 5R 5A520104001 NPDES 93-199 for Rio Alto WD Historical NPDMUNIOTH 93-199 09/17/1993 10/23/1998 Discharger 09/17/1993 null 396184 Letter 5R 5A520104001 Letter 4/30/2014 for Rio Alto WD Lake California WWTP Historical NPDMUNIOTH R5-2010-0103 04/30/2014 04/30/2014 Discharger 05/12/2014 null 133224 NPDES Permit 5R 5A520104001 NPDES 83-111 for Rio Alto WD Historical NPDMUNIOTH 83-111 09/23/1983 12/09/1988 Discharger 09/23/1983 null 135073 NPDES Permit 5R 5A520104001 NPDES 98-199 for Rio Alto WD Historical NPDMUNIOTH 98-199 10/23/1998 01/26/2005 Discharger 10/23/1998 null 396070 Letter 5R 5A520104001 Letter 4/15/2014 for Rio Alto WD Historical NPDMUNIOTH R5-2010-0103 04/15/2014 04/15/2014 Discharger 05/01/2014 null 399746 Letter 5R 5A520104001 Letter 11/13/2014 for Rio Alto WD Historical NPDMUNIOTH null 11/13/2014 11/13/2014 Discharger 02/05/2015 null 371737 NPDES Permit 5R 5A520104001 NPDES R5-2010-0103 for Rio Alto WD Lake California WWTP Historical NPDMUNIOTH R5-2010-0103 09/23/2010 07/27/2016 Discharger 10/12/2009 null 396066 Letter 5R 5A520104001 Letter 2/11/2014 for Rio Alto WD Historical NPDMUNIOTH R5-2010-0103 02/11/2014 02/11/2014 Discharger 05/01/2014 null 396071 Letter 5R 5A520104001 Letter 4/03/2014 for Rio Alto WD Historical NPDMUNIOTH R5-2010-0103 04/03/2014 04/03/2014 Discharger 05/01/2014 null 400355 Letter 5R 5A520104001 Letter 3/24/2015 for Rio Alto WD Historical NPDMUNIOTH R5-2010-0103 03/24/2015 03/24/2015 Discharger 03/25/2015 null 134862 NPDES Permit 5R 5A520104001 NPDES 88-198 for Rio Alto WD Historical NPDMUNIOTH 88-198 12/09/1988 09/17/1993 Discharger 12/09/1988 null 133518 NPDES Permit 5R 5A520104001 NPDES R5-2005-0015 for Rio Alto WD Historical NPDMUNIOTH R5-2005-0015 01/27/2007 09/22/2010 Discharger 01/27/2005 null 397350 Letter 5R 5A520104001 Letter 07/15/2014 for Rio Alto WD Historical NPDMUNIOTH R5-2010-0103 07/15/2014 07/15/2014 Discharger 07/21/2014 null Violations within the past five calendar years 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 356125 Notice of Violation null NOV 11/14/2008 for Rio Alto WD NPDMUNIOTH 11/14/2008 Historical 329469 Staff Enforcement Letter null SEL 6/15/2006 for Rio Alto Water District NPDMUNIOTH 06/15/2006 Historical 393029 Admin Civil Liability R5-2013-0593 ACL R5-2013-0593 for Rio Alto WD NPDMUNIOTH 12/10/2013 Historical 385217 Oral Communication null Oral Com 04/16/2012 for Rio Alto WD NPDMUNIOTH 04/16/2012 Historical 383655 Oral Communication null Oral Com 12/14/2011 for Rio Alto WD NPDMUNIOTH 12/14/2011 Historical 402472 Oral Communication null Oral Com 08/14/2015 for Rio Alto WD NPDMUNIOTH 08/14/2015 Historical 329470 Staff Enforcement Letter null SEL 8/1/2007 for Rio Alto Water District NPDMUNIOTH 08/01/2007 Historical 376237 Cease and Desist Order R5-2010-0104 CDO R5-2010-0104 for Rio Alto WD Lake California WWTP NPDESWW 09/23/2010 Historical 389913 Notice of Violation null NOV 04/15/2013 for Rio Alto WD NPDMUNIOTH 04/15/2013 Historical 383657 Oral Communication null Oral Com 06/09/2010 for Rio Alto WD NPDMUNIOTH 06/09/2010 Historical 230379 Oral Communication null Verbal 6/26/2000 for Rio Alto WD NPDMUNIOTH 06/26/2000 Historical 372243 Oral Communication null Verrbal 6/20/2009 for Rio Alto WD NPDMUNIOTH 06/20/2009 Historical 387027 Notice of Violation null NOV 08/15/2012 for Rio Alto WD NPDMUNIOTH 08/15/2012 Historical 383654 Oral Communication null Oral Com 09/16/2011 for Rio Alto WD NPDMUNIOTH 09/16/2011 Historical 399542 Oral Communication null Oral Com 07/22/2014 for Rio Alto WD NPDMUNIOTH 07/22/2014 Historical 230380 Staff Enforcement Letter null SEL 6/28/2000 for Rio Alto WD NPDMUNIOTH 06/28/2000 Historical 388479 Cease and Desist Order R5-2012-0117 CDO R5-2012-0117A for Rio Alto WD Lake California WWTP NPDMUNIOTH 12/07/2012 Active Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status