2025 | 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

Click header row to order by specific field

Number Order Number Gen
/Ind
Order
Type
Discharger Program
Type
NPDES Number Effective Date CI Number
1 R4-2022-0343 I NPD Los Angeles City, DPW, Bureau of Sanitation, Water Reclamation Division NPDES CA0053953 2023-02-01 5675
2 R4-2022-0341 I NPD Los Angeles City, DPW, Bureau of Sanitation, Water Reclamation Division NPDES CA0056227 2023-01-31 5695
3 R4-2019-0056-A03 I TSO Santa Clarita Valley Sanitation Districts of Los Angeles County NPDES CA0054313 2022-12-08 2960
4 R4-2019-0055-A03 I TSO Santa Clarita Valley Sanitation Districts of Los Angeles County NPDES CA0054216 2022-12-08 4993
5 R4-2022-0272 I NPD Covina Irrigating Company NPDES CA0060577 2023-01-01 6849
6 R4-2022-0260 I NPD Tesoro Logistics Operations, LLC NPDES CA0000442 2022-12-01 6802
7 R4-2017-0125-A01 I TSO Las Virgenes MWD NPDES CA0056014 2022-08-01 4760
8 R4-2022-0225 I NPD Los Angeles Turf Club NPDES CA0064203 2022-09-01 8102
9 R4-2022-0224 I NPD Los Angeles Turf Club NPDES CA0064203 2022-09-01 8102
10 R4-2022-0237 I WDR CA Dept of Water Resources NPDES CA0059188 2022-09-01 6610
11 R4-2022-0238 I WDR Tesoro Refining & Marketing Company, LLC NPDES CA0000680 2022-09-01 5424
12 R4-2022-0229 I WDR Sentinel Peak Resources LNDISP NA 2022-07-14 8267
13 R4-2022-0228 I WDR Irwindale Partners, LP LNDISP NA 2022-07-14 8316
14 R4-2022-0175 I WDR Santa Clarita Valley Sanitation Districts of Los Angeles County NPDES CA0054313 2022-07-01 2960
15 R4-2022-0174 I WDR Santa Clarita Valley Sanitation District of Los Angeles County NPDES CA0054216 2022-07-01 4993
16 R4-2022-0162 I WDR Urchinomics USA Inc. NPDES CA0064969 2022-06-01 10626
17 R22-003 I RES LA City Bureau of Sanitation NPDES CA0109991 2022-04-14 1492
18 R22-003 I RES LA City Bureau of Sanitation NPDES CA0053856 2022-04-14 2171
19 R4-2022-0159 I NPD Long Beach Generation LLC NPDES CA0001171 2022-06-01 5764
20 R4-2019-0024 G WDR Rick and Drew Baker NON15 NA 2022-02-28 10614
21 R4-2022-0032 I WDR Joint Outfall System NPDES CA0054119 2022-04-01 5662