All rankings
California · California (CIWQS)
torrance
C
Often reaches water
Reported events
120
Total volume
63K gal
Reached waterways
24 (20%)
Reporting since
2007
What caused the overflows
Root Intrusion
64
Equipment Failure
20
Other / Unknown
19
Grease / FOG
17
Reported overflow events (showing 120 of 120)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Feb 21, 2025 | 50 gal | Root Intrusion | — | — |
| Apr 24, 2024 | 100 gal | Root Intrusion | — | — |
| Apr 24, 2024 | 100 gal | Root Intrusion | — | — |
| Apr 24, 2024 | 100 gal | Root Intrusion | — | — |
| Mar 8, 2024 | 3K gal | Root Intrusion | Yes | Pacific Ocean |
| Aug 4, 2023 | 2K gal | Root Intrusion | — | — |
| Jun 9, 2023 | 80 gal | Root Intrusion | — | — |
| May 31, 2023 | 450 gal | Equipment Failure | — | Other (specify below) |
| Feb 23, 2023 | 100 gal | Equipment Failure | — | Separate Storm Drain |
| Feb 15, 2023 | 99 gal | Root Intrusion | Yes | Separate Storm Drain |
| Feb 10, 2023 | 1K gal | Other / Unknown | — | Other (specify below) |
| Jan 20, 2023 | 100 gal | Equipment Failure | — | Separate Storm Drain |
| Jan 11, 2023 | 25 gal | Root Intrusion | — | Other (specify below) |
| Jul 24, 2022 | 5K gal | Root Intrusion | — | Separate Storm Drain |
| Jan 24, 2022 | 25 gal | Grease / FOG | — | Paved Surface |
| Nov 7, 2021 | 300 gal | Root Intrusion | — | Separate Storm Drain |
| Nov 7, 2021 | 10K gal | Root Intrusion | — | Other (specify below) |
| Oct 31, 2021 | 200 gal | Root Intrusion | Yes | Other (specify below) |
| Oct 30, 2021 | 300 gal | Root Intrusion | Yes | Separate Storm Drain |
| Oct 30, 2021 | 350 gal | Equipment Failure | Yes | Separate Storm Drain |
| Apr 14, 2021 | 225 gal | Equipment Failure | Yes | Drainage Channel |
| Apr 4, 2021 | 250 gal | Root Intrusion | — | Other (specify below) |
| Mar 25, 2021 | 50 gal | Equipment Failure | — | Paved Surface |
| Feb 1, 2021 | 930 gal | Root Intrusion | Yes | Other (specify below) |
| Dec 27, 2020 | 800 gal | Equipment Failure | Yes | Separate Storm Drain |
| Dec 3, 2020 | 800 gal | Equipment Failure | Yes | Drainage Channel |
| Jun 23, 2020 | 50 gal | Equipment Failure | — | Paved Surface |
| Jun 23, 2020 | 125 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain |
| May 3, 2020 | 50 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jan 23, 2020 | 75 gal | Equipment Failure | Yes | Separate Storm Drain |
| Dec 30, 2019 | 15 gal | Grease / FOG | — | Street/Curb and Gutter |
| Dec 15, 2019 | 20 gal | Root Intrusion | Yes | Separate Storm Drain |
| Sep 24, 2019 | 200 gal | Grease / FOG | — | Separate Storm Drain |
| Apr 17, 2019 | 700 gal | Grease / FOG | — | Separate Storm Drain |
| Jan 23, 2019 | 25 gal | Root Intrusion | — | Paved Surface |
| Oct 22, 2018 | 400 gal | Root Intrusion | Yes | Separate Storm Drain;Street/Curb and Gutter |
| Sep 17, 2018 | 200 gal | Root Intrusion | Yes | Separate Storm Drain |
| Jul 15, 2018 | 5 gal | Root Intrusion | — | Street/Curb and Gutter |
| May 25, 2018 | 2K gal | Equipment Failure | — | Separate Storm Drain |
| May 22, 2018 | 20 gal | Root Intrusion | — | Street/Curb and Gutter |
| May 19, 2018 | 75 gal | Grease / FOG | Yes | Separate Storm Drain |
| Apr 6, 2018 | 200 gal | Equipment Failure | — | Separate Storm Drain |
| Jan 18, 2018 | 600 gal | Root Intrusion | — | Separate Storm Drain |
| Jan 10, 2018 | 400 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter |
| Oct 31, 2017 | 100 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jun 25, 2017 | 50 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jun 17, 2017 | 50 gal | Grease / FOG | — | Separate Storm Drain |
| Jun 3, 2017 | 100 gal | Grease / FOG | — | Paved Surface |
| Apr 23, 2017 | 50 gal | Root Intrusion | — | Other (specify below) |
| Mar 30, 2017 | 40 gal | Root Intrusion | — | Separate Storm Drain |
| Oct 6, 2016 | 300 gal | Equipment Failure | — | Paved Surface |
| Sep 16, 2016 | 535 gal | Grease / FOG | — | Paved Surface;Street/Curb and Gutter |
| Jan 18, 2016 | 50 gal | Grease / FOG | Yes | Street/Curb and Gutter |
| Dec 14, 2015 | 300 gal | Root Intrusion | — | Separate Storm Drain |
| Nov 11, 2015 | 300 gal | Grease / FOG | — | Building or Structure |
| May 28, 2015 | 82 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jan 26, 2015 | 150 gal | Equipment Failure | — | Separate Storm Drain |
| Dec 14, 2014 | 200 gal | Equipment Failure | — | Street/Curb and Gutter |
| Nov 2, 2014 | 1K gal | Root Intrusion | Yes | Unpaved surface |
| Jul 2, 2014 | 40 gal | Root Intrusion | — | Street/Curb and Gutter |
| Apr 20, 2014 | 362 gal | Root Intrusion | — | Other (specify below) |
| Apr 15, 2014 | 17 gal | Root Intrusion | — | Separate Storm Drain |
| Mar 16, 2014 | 300 gal | Equipment Failure | — | Street/Curb and Gutter |
| Feb 11, 2014 | 100 gal | Root Intrusion | — | Other (specify below) |
| Feb 9, 2014 | 140 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jan 31, 2014 | 400 gal | Grease / FOG | — | Street/Curb and Gutter |
| Jan 20, 2014 | 2K gal | Root Intrusion | — | Other (specify below) |
| Jan 4, 2014 | 2K gal | Grease / FOG | Yes | Other (specify below) |
| Dec 29, 2013 | 200 gal | Equipment Failure | — | Street/Curb and Gutter |
| Oct 29, 2013 | 800 gal | Other / Unknown | — | Unpaved surface |
| Oct 21, 2013 | 20 gal | Root Intrusion | — | Street/Curb and Gutter |
| Sep 21, 2013 | 180 gal | Root Intrusion | — | Street/Curb and Gutter |
| Sep 10, 2013 | 1K gal | Root Intrusion | Yes | Other (specify below) |
| Jun 13, 2013 | 1K gal | Root Intrusion | — | Separate storm drain |
| Jun 11, 2013 | 2K gal | Root Intrusion | Yes | Other (specify below) |
| Apr 27, 2013 | 40 gal | Root Intrusion | — | Street/curb and gutter |
| Mar 13, 2013 | 60 gal | Root Intrusion | — | Separate storm drain |
| Nov 9, 2012 | 100 gal | Other / Unknown | — | Other paved surface |
| Oct 16, 2012 | 120 gal | Other / Unknown | — | Street/curb and gutter |
| Aug 18, 2012 | 12 gal | Root Intrusion | — | Street/curb and gutter |
| Jul 21, 2012 | 6K gal | Other / Unknown | — | Other (specify below) |
| Jul 17, 2012 | 240 gal | Other / Unknown | — | Street/curb and gutter |
| Sep 29, 2011 | 60 gal | Root Intrusion | — | Separate storm drain |
| Sep 19, 2011 | 90 gal | Other / Unknown | — | Separate storm drain |
| Aug 27, 2011 | 50 gal | Equipment Failure | — | Street/curb and gutter |
| Jul 30, 2011 | 575 gal | Root Intrusion | — | Separate storm drain |
| Jul 18, 2011 | 30 gal | Root Intrusion | — | Street/curb and gutter |
| Jun 30, 2011 | 50 gal | Other / Unknown | — | Street/curb and gutter |
| Apr 26, 2011 | 15 gal | Root Intrusion | — | Street/curb and gutter |
| Jan 30, 2011 | 285 gal | Root Intrusion | Yes | Beach |
| Jan 16, 2011 | 340 gal | Grease / FOG | — | Street/curb and gutter |
| Dec 16, 2010 | 20 gal | Root Intrusion | — | Street/curb and gutter |
| Dec 13, 2010 | 690 gal | Root Intrusion | — | Other (specify below) |
| Sep 3, 2010 | 25 gal | Grease / FOG | — | Street/curb and gutter |
| Jun 26, 2010 | 1K gal | Grease / FOG | — | Other (specify below) |
| Jun 13, 2010 | 200 gal | Other / Unknown | — | Street/curb and gutter |
| Jun 4, 2010 | 60 gal | Other / Unknown | Yes | Storm drain;Surface water |
| May 20, 2010 | 60 gal | Root Intrusion | — | Street/curb and gutter |
| Mar 21, 2010 | 30 gal | Root Intrusion | — | Unpaved surface |
| Oct 25, 2009 | 180 gal | Root Intrusion | — | Other (specify below) |
| Oct 5, 2009 | 20 gal | Other / Unknown | — | Other (specify below) |
| Jul 15, 2009 | 550 gal | Root Intrusion | — | Other (specify below) |
| Dec 23, 2008 | 675 gal | Other / Unknown | — | Other (specify below) |
| Jun 30, 2008 | 93 gal | Other / Unknown | — | Other (specify below) |
| May 6, 2008 | 350 gal | Other / Unknown | Yes | Separate storm drain |
| Apr 5, 2008 | 450 gal | Grease / FOG | — | Storm drain;Street/curb and gutter |
| Mar 21, 2008 | 200 gal | Root Intrusion | — | Street/curb and gutter |
| Feb 26, 2008 | 150 gal | Other / Unknown | — | Other (specify below) |
| Feb 4, 2008 | 100 gal | Other / Unknown | — | Other (specify below) |
| Jan 28, 2008 | 600 gal | Grease / FOG | — | Storm drain |
| Oct 22, 2007 | 20 gal | Root Intrusion | — | Street/curb and gutter |
| Oct 21, 2007 | 50 gal | Root Intrusion | — | Street/curb and gutter |
| Oct 12, 2007 | 920 gal | Other / Unknown | — | Other (specify below) |
| Sep 18, 2007 | 500 gal | Root Intrusion | Yes | Building or structure;Separate storm drain;Street/curb and gutter;Surface water |
| Sep 18, 2007 | 2K gal | Root Intrusion | — | Separate storm drain |
| Apr 26, 2007 | 10 gal | Other / Unknown | — | Street/curb and gutter |
| Mar 14, 2007 | 600 gal | Other / Unknown | — | Other (specify below) |
| Feb 1, 2007 | 16 gal | Root Intrusion | — | Other (specify below) |
| Jan 19, 2007 | 300 gal | Root Intrusion | Yes | Beach |
| Jan 17, 2007 | 200 gal | Root Intrusion | — | Other (specify below) |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.