All rankings
California · California (CIWQS)
San Clemente
C
Often reaches water
Reported events
80
Total volume
87K gal
Reached waterways
16 (20%)
Reporting since
2007
What caused the overflows
Equipment Failure
29
Other / Unknown
24
Root Intrusion
17
Grease / FOG
10
Reported overflow events (showing 80 of 80)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Mar 3, 2025 | 500 gal | Root Intrusion | — | — |
| Apr 29, 2024 | 50 gal | Equipment Failure | — | — |
| Mar 15, 2023 | 750 gal | Equipment Failure | Yes | Separate Storm Drain |
| Jul 4, 2022 | 420 gal | Other / Unknown | — | Combined Storm Drain (Combined CS only) |
| Apr 12, 2022 | 342 gal | Equipment Failure | — | Unpaved surface |
| Apr 9, 2022 | 4K gal | Equipment Failure | — | Unpaved surface |
| Feb 1, 2022 | 700 gal | Equipment Failure | — | Unpaved surface |
| Jan 18, 2022 | 50 gal | Other / Unknown | — | Paved Surface |
| Dec 5, 2021 | 280 gal | Equipment Failure | — | Other (specify below) |
| Nov 17, 2021 | 80 gal | Grease / FOG | — | Other (specify below) |
| Jun 5, 2021 | 228 gal | Root Intrusion | — | Other (specify below);Paved Surface |
| May 19, 2021 | 15K gal | Other / Unknown | — | Other (specify below) |
| May 19, 2021 | 15K gal | Other / Unknown | — | Other (specify below) |
| Oct 29, 2020 | 90 gal | Grease / FOG | — | Separate Storm Drain |
| Jun 5, 2020 | 150 gal | Equipment Failure | — | Separate Storm Drain |
| Apr 28, 2020 | 420 gal | Root Intrusion | Yes | Other (specify below) |
| Feb 15, 2020 | 5 gal | Equipment Failure | — | Unpaved surface |
| Jan 13, 2020 | 5 gal | Root Intrusion | — | Paved Surface |
| Jan 5, 2020 | 300 gal | Equipment Failure | — | Paved Surface |
| Jan 3, 2020 | 88 gal | Grease / FOG | — | Separate Storm Drain |
| Nov 29, 2019 | 41 gal | Equipment Failure | — | Paved Surface |
| Sep 12, 2019 | 50 gal | Equipment Failure | — | Separate Storm Drain |
| Jun 8, 2019 | 195 gal | Root Intrusion | — | Separate Storm Drain |
| Apr 23, 2019 | 25 gal | Grease / FOG | — | Paved Surface |
| Apr 22, 2019 | 2 gal | Other / Unknown | — | Unpaved surface |
| Mar 25, 2019 | 47 gal | Root Intrusion | — | Unpaved surface |
| Mar 24, 2019 | 5 gal | Other / Unknown | — | Unpaved surface |
| Sep 5, 2018 | 500 gal | Equipment Failure | — | Paved Surface |
| Sep 5, 2018 | 540 gal | Equipment Failure | Yes | Other (specify below);Paved Surface |
| Apr 13, 2018 | 2K gal | Grease / FOG | — | Other (specify below) |
| Jan 29, 2018 | 150 gal | Root Intrusion | — | Street/Curb and Gutter |
| Sep 13, 2017 | 5 gal | Equipment Failure | — | Separate Storm Drain |
| Aug 25, 2017 | 11 gal | Other / Unknown | — | Paved Surface |
| Aug 11, 2017 | 19 gal | Equipment Failure | — | Street/Curb and Gutter |
| Mar 30, 2017 | 300 gal | Other / Unknown | — | Paved Surface |
| Mar 24, 2017 | 30 gal | Equipment Failure | — | Street/Curb and Gutter |
| Mar 22, 2017 | 250 gal | Equipment Failure | — | Street/Curb and Gutter |
| Mar 14, 2017 | 1 gal | Grease / FOG | — | Paved Surface |
| Jan 12, 2017 | 105 gal | Equipment Failure | — | Paved Surface |
| Nov 10, 2016 | 1 gal | Grease / FOG | — | Street/Curb and Gutter |
| Jul 6, 2016 | 13 gal | Root Intrusion | — | Street/Curb and Gutter;Unpaved surface |
| Feb 16, 2016 | 126 gal | Other / Unknown | Yes | Other (specify below) |
| Apr 6, 2015 | 41 gal | Equipment Failure | — | Unpaved surface |
| Apr 6, 2015 | 1 gal | Root Intrusion | — | Paved Surface |
| Mar 29, 2015 | 150 gal | Equipment Failure | — | Other (specify below) |
| Mar 29, 2015 | 5K gal | Equipment Failure | Yes | Beach |
| Feb 2, 2015 | 773 gal | Other / Unknown | Yes | Other (specify below);Paved Surface |
| Dec 28, 2014 | 1 gal | Root Intrusion | — | Paved Surface |
| Dec 23, 2014 | 25 gal | Grease / FOG | — | Paved Surface |
| Oct 19, 2014 | 6K gal | Other / Unknown | — | Other (specify below) |
| Oct 7, 2014 | 3 gal | Other / Unknown | — | Paved Surface |
| Jul 21, 2014 | 1 gal | Root Intrusion | — | Other (specify below) |
| Jul 20, 2014 | 1 gal | Root Intrusion | — | Other (specify below) |
| Jul 8, 2014 | 100 gal | Equipment Failure | — | Drainage Channel |
| Jun 3, 2014 | 1 gal | Other / Unknown | — | Street/Curb and Gutter |
| May 6, 2014 | 3 gal | Equipment Failure | — | Street/Curb and Gutter |
| Apr 14, 2014 | 13 gal | Other / Unknown | — | Other (specify below) |
| Mar 5, 2014 | 1 gal | Root Intrusion | — | Other (specify below) |
| Feb 24, 2014 | 380 gal | Root Intrusion | Yes | Drainage Channel;Street/Curb and Gutter |
| Feb 10, 2014 | 26 gal | Root Intrusion | — | Paved Surface |
| Jan 9, 2014 | 21 gal | Equipment Failure | — | Street/Curb and Gutter |
| Dec 6, 2013 | 10 gal | Root Intrusion | — | Paved Surface |
| Nov 7, 2013 | 8 gal | Equipment Failure | — | Street/Curb and Gutter |
| Oct 18, 2013 | 1 gal | Other / Unknown | — | Paved Surface |
| Sep 26, 2013 | 290 gal | Other / Unknown | — | Drainage Channel |
| Sep 22, 2013 | 30 gal | Other / Unknown | — | Street/Curb and Gutter |
| Sep 11, 2013 | 5 gal | Other / Unknown | — | Other (specify below) |
| Aug 19, 2013 | 3 gal | Equipment Failure | — | Paved Surface |
| Aug 13, 2013 | 7 gal | Grease / FOG | — | Paved Surface;Unpaved surface |
| Sep 27, 2012 | 4K gal | Other / Unknown | Yes | Beach |
| Apr 6, 2012 | 14K gal | Equipment Failure | Yes | Other (specify below) |
| Oct 26, 2011 | 2K gal | Equipment Failure | — | Other (specify below) |
| Jul 28, 2011 | 4K gal | Other / Unknown | Yes | Unpaved surface |
| Oct 3, 2009 | 300 gal | Grease / FOG | Yes | Unpaved surface |
| Mar 5, 2008 | 845 gal | Root Intrusion | Yes | Other (specify below) |
| Feb 26, 2008 | 400 gal | Other / Unknown | Yes | Beach |
| Feb 11, 2008 | 730 gal | Other / Unknown | Yes | Other (specify below) |
| Mar 16, 2007 | 60 gal | Other / Unknown | Yes | Separate storm drain |
| Feb 15, 2007 | 500 gal | Other / Unknown | Yes | Beach |
| Jan 19, 2007 | 4K gal | Equipment Failure | — | Building or structure |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.