All rankings
California · California (CIWQS)
Treasure Island
B
Seldom reaches water
Reported events
108
Total volume
97K gal
Reached waterways
6 (6%)
Reporting since
1017
What caused the overflows
Equipment Failure
34
Other / Unknown
29
Grease / FOG
24
Root Intrusion
21
Reported overflow events (showing 108 of 108)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Jun 6, 2020 | 2 gal | Root Intrusion | — | Unpaved surface |
| Feb 21, 2019 | 53 gal | Equipment Failure | — | Unpaved surface |
| Feb 11, 2019 | 18 gal | Root Intrusion | — | Other (specify below);Paved Surface |
| Feb 7, 2019 | 1K gal | Equipment Failure | — | Separate Storm Drain |
| Oct 30, 2018 | 103 gal | Equipment Failure | — | Paved Surface;Separate Storm Drain |
| Oct 19, 2018 | 168 gal | Equipment Failure | — | Other (specify below);Street/Curb and Gutter |
| Sep 10, 2018 | 414 gal | Grease / FOG | — | Other (specify below) |
| Jul 18, 2018 | 190 gal | Equipment Failure | — | Other (specify below) |
| Jul 6, 2018 | 750 gal | Equipment Failure | — | Other (specify below) |
| Feb 24, 2018 | 230 gal | Grease / FOG | — | Separate Storm Drain;Street/Curb and Gutter;Unpaved surface |
| Nov 24, 2017 | 130 gal | Root Intrusion | — | Unpaved surface |
| Oct 18, 2017 | 30 gal | Root Intrusion | — | Unpaved surface |
| Sep 25, 2017 | 50 gal | Other / Unknown | — | Unpaved surface |
| Jul 4, 2017 | 160 gal | Equipment Failure | — | Unpaved surface |
| May 19, 2017 | 150 gal | Other / Unknown | — | Paved Surface;Unpaved surface |
| Apr 29, 2017 | 485 gal | Other / Unknown | — | Paved Surface;Unpaved surface |
| Apr 5, 2017 | 5 gal | Grease / FOG | — | Unpaved surface |
| Apr 1, 2017 | 175 gal | Grease / FOG | — | Unpaved surface |
| Mar 24, 2017 | 70 gal | Grease / FOG | — | Unpaved surface |
| Feb 11, 2017 | 10 gal | Grease / FOG | — | Unpaved surface |
| Jan 1, 2017 | 350 gal | Grease / FOG | — | Other (specify below) |
| Nov 28, 2016 | 1 gal | Root Intrusion | — | Other (specify below) |
| Oct 21, 2016 | 50 gal | Root Intrusion | — | Other (specify below) |
| Oct 13, 2016 | 100 gal | Other / Unknown | — | Other (specify below) |
| Sep 27, 2016 | 10 gal | Other / Unknown | — | Other (specify below) |
| Jul 31, 2016 | 2K gal | Grease / FOG | — | Paved Surface;Separate Storm Drain |
| Jul 29, 2016 | 5 gal | Equipment Failure | — | Other (specify below) |
| Jul 16, 2016 | 2K gal | Other / Unknown | — | Other (specify below);Street/Curb and Gutter |
| Jun 20, 2016 | 60 gal | Equipment Failure | Yes | Separate Storm Drain;Street/Curb and Gutter |
| Feb 29, 2016 | 1K gal | Equipment Failure | — | Other (specify below) |
| Feb 18, 2016 | 10K gal | Grease / FOG | — | Other (specify below) |
| Feb 6, 2016 | 230 gal | Grease / FOG | — | Paved Surface;Separate Storm Drain |
| Jan 27, 2016 | 10K gal | Other / Unknown | — | Other (specify below);Street/Curb and Gutter |
| Jan 19, 2016 | 20K gal | Equipment Failure | Yes | Street/Curb and Gutter;Surface Water |
| Sep 14, 2015 | 300 gal | Grease / FOG | — | Street/Curb and Gutter |
| Aug 19, 2015 | 400 gal | Other / Unknown | — | Other (specify below) |
| Jun 2, 2015 | 7 gal | Equipment Failure | — | Paved Surface |
| May 18, 2015 | 60 gal | Equipment Failure | — | Paved Surface |
| May 6, 2015 | 15 gal | Grease / FOG | — | Paved Surface |
| Mar 10, 2015 | 950 gal | Grease / FOG | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Feb 20, 2015 | 1 gal | Equipment Failure | — | Other (specify below) |
| Jan 20, 2015 | 12 gal | Equipment Failure | — | Unpaved surface |
| Sep 29, 2014 | 999 gal | Equipment Failure | — | Paved Surface |
| Aug 31, 2014 | 100 gal | Other / Unknown | — | Paved Surface;Separate Storm Drain |
| Aug 25, 2014 | 500 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jul 15, 2014 | 300 gal | Grease / FOG | — | Other (specify below) |
| Jul 14, 2014 | 5 gal | Root Intrusion | — | Paved Surface |
| Jun 3, 2014 | 20 gal | Equipment Failure | — | Unpaved surface |
| May 15, 2014 | 400 gal | Grease / FOG | — | Unpaved surface |
| May 13, 2014 | 4 gal | Other / Unknown | — | Other (specify below) |
| Mar 31, 2014 | 70 gal | Equipment Failure | — | Paved Surface |
| Mar 7, 2014 | 3 gal | Equipment Failure | — | Other (specify below) |
| Feb 9, 2014 | 5 gal | Equipment Failure | — | Paved Surface |
| Dec 5, 2013 | 450 gal | Grease / FOG | — | Other (specify below) |
| Nov 15, 2013 | 20 gal | Equipment Failure | — | Other (specify below) |
| Sep 17, 2013 | 25 gal | Other / Unknown | — | Unpaved surface |
| Sep 11, 2013 | 50 gal | Root Intrusion | — | Other (specify below) |
| Jul 11, 2013 | 50 gal | Other / Unknown | — | Other (specify below) |
| Jun 27, 2013 | 200 gal | Equipment Failure | — | Other paved surface |
| Jun 11, 2013 | 150 gal | Equipment Failure | Yes | Other (specify below) |
| Apr 30, 2013 | 25 gal | Equipment Failure | — | Other paved surface |
| Apr 30, 2013 | 25 gal | Grease / FOG | — | Street/curb and gutter;Unpaved surface;Other (specify below) |
| Apr 5, 2013 | 150 gal | Root Intrusion | — | Street/curb and gutter |
| Apr 1, 2013 | 75 gal | Root Intrusion | — | Street/curb and gutter |
| Mar 9, 2013 | 50 gal | Root Intrusion | — | Unpaved surface |
| Feb 27, 2013 | 100 gal | Other / Unknown | — | Other paved surface;Other (specify below) |
| Feb 25, 2013 | 150 gal | Root Intrusion | — | Other paved surface |
| Feb 2, 2013 | 30 gal | Root Intrusion | — | Other paved surface |
| Sep 25, 2012 | 25 gal | Root Intrusion | — | Separate storm drain |
| Sep 22, 2012 | 1 gal | Equipment Failure | — | Unpaved surface |
| Sep 5, 2012 | 200 gal | Root Intrusion | — | Other paved surface;Unpaved surface |
| Aug 2, 2012 | 500 gal | Grease / FOG | — | Other (specify below) |
| Mar 9, 2012 | 20 gal | Other / Unknown | — | Other paved surface |
| Jan 13, 2012 | 100 gal | Grease / FOG | — | Separate storm drain |
| Jan 5, 2012 | 10 gal | Root Intrusion | — | Unpaved surface |
| Oct 18, 2011 | 150 gal | Grease / FOG | — | Unpaved surface |
| Jul 28, 2011 | 675 gal | Other / Unknown | — | Separate storm drain |
| Jun 25, 2011 | 5 gal | Other / Unknown | — | Unpaved surface |
| May 14, 2011 | 100 gal | Root Intrusion | — | Unpaved surface |
| Apr 11, 2011 | 360 gal | Other / Unknown | — | Building or structure |
| Apr 1, 2011 | 5 gal | Root Intrusion | — | Unpaved surface |
| Dec 6, 2010 | 25 gal | Other / Unknown | — | Unpaved surface |
| Oct 12, 2010 | 60 gal | Other / Unknown | — | Unpaved surface |
| Oct 11, 2010 | 900 gal | Other / Unknown | — | Unpaved surface |
| Sep 7, 2010 | 5 gal | Other / Unknown | — | Other paved surface;Street/curb and gutter |
| Oct 24, 2009 | 35K gal | Equipment Failure | Yes | Storm drain;Street/curb and gutter;Surface water |
| Oct 15, 2009 | 200 gal | Root Intrusion | — | Unpaved surface |
| Jul 30, 2009 | 180 gal | Equipment Failure | Yes | Surface water |
| Jul 28, 2009 | 100 gal | Grease / FOG | — | Unpaved surface |
| Jul 22, 2009 | 400 gal | Equipment Failure | — | Unpaved surface |
| Jul 17, 2009 | 10 gal | Other / Unknown | — | Unpaved surface |
| Jul 2, 2009 | 500 gal | Equipment Failure | — | Storm drain |
| May 24, 2009 | 20 gal | Grease / FOG | — | Unpaved surface |
| Apr 8, 2009 | 60 gal | Other / Unknown | — | Building or structure;Unpaved surface |
| Mar 26, 2009 | 135 gal | Other / Unknown | — | Unpaved surface |
| Feb 27, 2009 | 20 gal | Root Intrusion | — | Unpaved surface |
| Jan 30, 2009 | 170 gal | Other / Unknown | — | Storm drain;Street/curb and gutter |
| Jan 1, 2009 | 20 gal | Equipment Failure | Yes | Surface water |
| Dec 31, 2008 | 120 gal | Other / Unknown | — | Unpaved surface |
| Nov 19, 2008 | 15 gal | Root Intrusion | — | Other paved surface;Storm drain;Street/curb and gutter |
| Oct 1, 2008 | 5 gal | Grease / FOG | — | Unpaved surface |
| Jul 28, 2008 | 5 gal | Other / Unknown | — | Unpaved surface |
| Jul 18, 2008 | 5 gal | Other / Unknown | — | Unpaved surface |
| Apr 15, 2008 | 5 gal | Equipment Failure | — | Other paved surface |
| Feb 20, 2008 | 780 gal | Grease / FOG | — | Unpaved surface |
| Apr 29, 2007 | 90 gal | Other / Unknown | — | Storm drain |
| Apr 9, 2007 | 370 gal | Equipment Failure | — | Unpaved surface |
| Jan 30, 1017 | 400 gal | Equipment Failure | — | Paved Surface |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.