2024 | 2023 | 2022 | 2021
2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008
2007 | 2006 | 2005 | 2004
| 2003 | 2002 | 2001 | 2000 | 1999 | 1998 | 1997 | 1996 | 1995 | 1994
1993 | 1992 | 1991 | 1990 | 1989 | 1988 | 1987 | 1986 | 1985 | 1984 | 1983 |1982 |
1981 | 1980
| Number | Order Number | Gen /Ind | Order Type | Discharger | Program Type | NPDES Number | Effective Date | CI Number |
|---|---|---|---|---|---|---|---|---|
| 1 | R4-2024-0389 | I | WDR | Metabolic Studio, LLC | NON15 | 2024-12-19 | 10771 | |
| 2 | R4-2024-0390 | I | NPD | Newhall Ranch Sanitation District | NPDES | CA0064556 | 2025-03-01 | 9322 |
| 3 | R4-2024-0372 | I | WDR | Urchinomics USA Inc. | NPDES | CA0064969 | 2024-10-24 | 10626 |
| 4 | R4-2024-0359 | I | NPD | Kinder Morgan Liquids Terminals, LLC | NPDES | CA0056863 | 2024-11-01 | 5244 |
| 5 | R4-2024-0300 | I | WDR | Limoneira Company | NON15 | NA | 2024-06-27 | 5322 |
| 6 | R4-2024-0258 | I | NPD | University of Southern California | NPDES | CA0056651 | 2024-07-01 | 6068 |
| 7 | R4-2024-0253 | I | NPD | Avalon City | NPDES | CA0054372 | 2024-07-01 | 0066 |
| 8 | R4-2024-0182 | I | NPD | Naval Facilities Engineering Command Southwest | NPDES | CA0110175 | 2024-07-01 | 6432 |
| 9 | R4-2024-0185 | I | NPD | Phillips 66 Company | NPDES | CA0063185 | 2024-06-01 | 7352 |
| 10 | R24-002 | I | WDR | Joint Outfall System | NPDES | CA0053813 | 2024-04-25 | 1758 |
| 11 | R4-2024-0146 | I | NPD | West Basin Municipal Water District | NPDES | CA0064246 | 2024-04-01 | 7972 |
