| Reg. Measure ID |
Organization |
Regulatory Measure Type |
Program |
Effective Date |
Status |
| 349444 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 373738 |
Irvine Ranch Water District |
Enrollee - NPDES |
NPDNONMUNIPRCS |
05/18/2010 |
Active |
| 386655 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
02/07/2007 |
Historical |
| 392057 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
01/14/2011 |
Historical |
| 417016 |
Irvine Ranch Water District |
Enrollee - NPDES |
NPDMUNIOTH |
07/01/2016 |
Active |
| 447102 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
04/18/2022 |
Historical |
| 139876 |
Irvine Ranch Water District |
WDR |
WDR |
02/08/1991 |
Historical |
| 161185 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 260328 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260339 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 300551 |
Irvine Ranch Water District |
Enrollee |
SSOMUNILRG |
11/17/2006 |
Active |
| 308686 |
Irvine Ranch Water District |
Co-Permitee |
WDR |
04/26/2002 |
Historical |
| 349491 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 140425 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
10/14/1994 |
Historical |
| 140835 |
Irvine Ranch Water District |
WDR |
WDR |
10/11/1996 |
Historical |
| 161184 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 205889 |
Irvine Ranch Water District |
Enrollee |
NPDNONMUNIPRCS |
06/14/1985 |
Historical |
| 260458 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 338949 |
Irvine Ranch Water District |
Enrollee |
SSOMUNILRG |
12/26/2007 |
Active |
| 385910 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
08/13/2002 |
Historical |
| 386637 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
02/07/2007 |
Historical |
| 392056 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
01/16/2011 |
Historical |
| 458602 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
11/13/2024 |
Active |
| 131152 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
12/19/2001 |
Historical |
| 139875 |
Irvine Ranch Water District |
Reclamation Requirements |
REC |
06/07/1991 |
Historical |
| 140507 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
04/17/1998 |
Historical |
| 260198 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260321 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260340 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 338942 |
Irvine Ranch Water District |
Enrollee |
SSOMUNISML |
12/26/2007 |
Active |
| 347054 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 348467 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
11/30/2007 |
Historical |
| 386357 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
03/18/2004 |
Historical |
| 386388 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
02/08/2007 |
Historical |
| 386668 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
09/22/2006 |
Historical |
| 131681 |
Irvine Ranch Water District |
WDR |
WDRMUNIOTH |
07/19/2002 |
Historical |
| 137871 |
Irvine Ranch Water District |
WDR |
NPDESWW |
09/11/1981 |
Historical |
| 138719 |
Irvine Ranch Water District |
NPDES Permit |
NPDNONMUNIPRCS |
06/14/1985 |
Historical |
| 139202 |
Irvine Ranch Water District |
NPDES Permit |
NPDESWW |
02/14/1986 |
Historical |
| 166348 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
11/29/2000 |
Historical |
| 348856 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 379851 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Active |
| 385845 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
07/17/2001 |
Historical |
| 386449 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
12/02/2008 |
Historical |
| 132117 |
Irvine Ranch Water District |
WDR |
WDR |
04/26/2002 |
Historical |
| 139874 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
06/07/1991 |
Historical |
| 140426 |
Irvine Ranch Water District |
NPDES Permit |
NPDESWW |
10/14/1994 |
Historical |
| 159993 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 260028 |
Irvine Ranch Water District |
Letter |
NPDESWW |
03/21/1990 |
Historical |
| 260202 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260396 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260409 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 339385 |
Irvine Ranch Water District |
Enrollee |
SSOMUNISML |
05/02/2006 |
Active |
| 386593 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
09/06/2011 |
Historical |
| 386727 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
07/23/2003 |
Historical |
| 440351 |
Irvine Ranch Water District |
Co-Permitee |
SLIC |
07/09/2020 |
Active |
| 138578 |
Irvine Ranch Water District |
WDR |
WDR |
09/11/1981 |
Historical |
| 206324 |
Irvine Ranch Water District |
Enrollee - NPDES |
NPDNONMUNIPRCS |
04/20/2005 |
Active |
| 214107 |
Irvine Ranch Water District |
Enrollee |
NPDNONMUNIPRCS |
10/17/2002 |
Historical |
| 260237 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260300 |
Irvine Ranch Water District |
Letter |
NPDESWW |
None |
Historical |
| 349442 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 380468 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 380819 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
08/20/2009 |
Historical |
| 402182 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
07/01/2015 |
Active |
| 417050 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
03/05/2017 |
Historical |
| 457980 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
02/21/2025 |
Active |
| 442012 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
08/27/2021 |
Active |
| 213954 |
Irvine Ranch Water District |
Enrollee |
SSOMUNILRG |
05/09/1996 |
Active |
| 260197 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 298936 |
Irvine Ranch Water District |
Enrollee |
SSOMUNILRG |
11/17/2006 |
Active |
| 380470 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Active |
| 386347 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
02/11/2004 |
Historical |
| 386384 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
11/30/2005 |
Historical |
| 451099 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
01/31/2023 |
Historical |
| 455413 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
01/11/2024 |
Active |
| 458795 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
11/22/2024 |
Historical |
| 136935 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
04/09/1976 |
Historical |
| 159994 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 165644 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
10/11/2000 |
Historical |
| 259340 |
Irvine Ranch Water District |
Letter |
NPDESWW |
None |
Historical |
| 260399 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 349444 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 373738 |
Irvine Ranch Water District |
Enrollee - NPDES |
NPDNONMUNIPRCS |
05/18/2010 |
Active |
| 386655 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
02/07/2007 |
Historical |
| 392057 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
01/14/2011 |
Historical |
| 417016 |
Irvine Ranch Water District |
Enrollee - NPDES |
NPDMUNIOTH |
07/01/2016 |
Active |
| 447102 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
04/18/2022 |
Historical |
| 139876 |
Irvine Ranch Water District |
WDR |
WDR |
02/08/1991 |
Historical |
| 161185 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 260328 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260339 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 300551 |
Irvine Ranch Water District |
Enrollee |
SSOMUNILRG |
11/17/2006 |
Active |
| 308686 |
Irvine Ranch Water District |
Co-Permitee |
WDR |
04/26/2002 |
Historical |
| 349491 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 140425 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
10/14/1994 |
Historical |
| 140835 |
Irvine Ranch Water District |
WDR |
WDR |
10/11/1996 |
Historical |
| 161184 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 205889 |
Irvine Ranch Water District |
Enrollee |
NPDNONMUNIPRCS |
06/14/1985 |
Historical |
| 260458 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 338949 |
Irvine Ranch Water District |
Enrollee |
SSOMUNILRG |
12/26/2007 |
Active |
| 385910 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
08/13/2002 |
Historical |
| 386637 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
02/07/2007 |
Historical |
| 392056 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
01/16/2011 |
Historical |
| 458602 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
11/13/2024 |
Active |
| 131152 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
12/19/2001 |
Historical |
| 139875 |
Irvine Ranch Water District |
Reclamation Requirements |
REC |
06/07/1991 |
Historical |
| 140507 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
04/17/1998 |
Historical |
| 260198 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260321 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260340 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 338942 |
Irvine Ranch Water District |
Enrollee |
SSOMUNISML |
12/26/2007 |
Active |
| 347054 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 348467 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
11/30/2007 |
Historical |
| 386357 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
03/18/2004 |
Historical |
| 386388 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
02/08/2007 |
Historical |
| 386668 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
09/22/2006 |
Historical |
| 131681 |
Irvine Ranch Water District |
WDR |
WDRMUNIOTH |
07/19/2002 |
Historical |
| 137871 |
Irvine Ranch Water District |
WDR |
NPDESWW |
09/11/1981 |
Historical |
| 138719 |
Irvine Ranch Water District |
NPDES Permit |
NPDNONMUNIPRCS |
06/14/1985 |
Historical |
| 139202 |
Irvine Ranch Water District |
NPDES Permit |
NPDESWW |
02/14/1986 |
Historical |
| 166348 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
11/29/2000 |
Historical |
| 348856 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 379851 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Active |
| 385845 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
07/17/2001 |
Historical |
| 386449 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
12/02/2008 |
Historical |
| 132117 |
Irvine Ranch Water District |
WDR |
WDR |
04/26/2002 |
Historical |
| 139874 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
06/07/1991 |
Historical |
| 140426 |
Irvine Ranch Water District |
NPDES Permit |
NPDESWW |
10/14/1994 |
Historical |
| 159993 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 260028 |
Irvine Ranch Water District |
Letter |
NPDESWW |
03/21/1990 |
Historical |
| 260202 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260396 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260409 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 339385 |
Irvine Ranch Water District |
Enrollee |
SSOMUNISML |
05/02/2006 |
Active |
| 386593 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
09/06/2011 |
Historical |
| 386727 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
07/23/2003 |
Historical |
| 440351 |
Irvine Ranch Water District |
Co-Permitee |
SLIC |
07/09/2020 |
Active |
| 138578 |
Irvine Ranch Water District |
WDR |
WDR |
09/11/1981 |
Historical |
| 206324 |
Irvine Ranch Water District |
Enrollee - NPDES |
NPDNONMUNIPRCS |
04/20/2005 |
Active |
| 214107 |
Irvine Ranch Water District |
Enrollee |
NPDNONMUNIPRCS |
10/17/2002 |
Historical |
| 260237 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 260300 |
Irvine Ranch Water District |
Letter |
NPDESWW |
None |
Historical |
| 349442 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 380468 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 380819 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
08/20/2009 |
Historical |
| 402182 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
07/01/2015 |
Active |
| 417050 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
03/05/2017 |
Historical |
| 457980 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
02/21/2025 |
Active |
| 442012 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
08/27/2021 |
Active |
| 213954 |
Irvine Ranch Water District |
Enrollee |
SSOMUNILRG |
05/09/1996 |
Active |
| 260197 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |
| 298936 |
Irvine Ranch Water District |
Enrollee |
SSOMUNILRG |
11/17/2006 |
Active |
| 380470 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Active |
| 386347 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
02/11/2004 |
Historical |
| 386384 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
11/30/2005 |
Historical |
| 451099 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
01/31/2023 |
Historical |
| 455413 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
01/11/2024 |
Active |
| 458795 |
Irvine Ranch Water District |
Enrollee - 401 Certification |
CERFILLEXC |
11/22/2024 |
Historical |
| 136935 |
Irvine Ranch Water District |
NPDES Permit |
NPDMUNILRG |
04/09/1976 |
Historical |
| 159994 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
None |
Historical |
| 165644 |
Irvine Ranch Water District |
401 Certification |
CERFILLEXC |
10/11/2000 |
Historical |
| 259340 |
Irvine Ranch Water District |
Letter |
NPDESWW |
None |
Historical |
| 260399 |
Irvine Ranch Water District |
Letter |
WDR |
None |
Historical |