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California · California (CIWQS)
Las Gallinas Valley Sanitary District
C
Often reaches water
Reported events
59
Total volume
109K gal
Reached waterways
16 (27%)
Reporting since
2007
What caused the overflows
Root Intrusion
28
Equipment Failure
11
Other / Unknown
9
Grease / FOG
6
Rainfall / Flooding
4
Capacity Issue
1
Reported overflow events (showing 59 of 59)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Feb 4, 2025 | 5K gal | Capacity Issue | Yes | Gallinas Creek |
| Jun 20, 2023 | 1K gal | Root Intrusion | Yes | Gallinas Creek Canal |
| Jan 31, 2023 | 46 gal | Equipment Failure | — | Separate Storm Drain |
| Jul 22, 2022 | 250 gal | Grease / FOG | — | Separate Storm Drain |
| May 14, 2022 | 344 gal | Root Intrusion | — | Combined Storm Drain (Combined CS only);Drainage Channel;Unpaved surface |
| Mar 18, 2022 | 111 gal | Equipment Failure | — | Separate Storm Drain |
| Feb 1, 2022 | 5 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter;Unpaved surface |
| Oct 28, 2021 | 263 gal | Root Intrusion | — | Street/Curb and Gutter;Unpaved surface |
| Oct 24, 2021 | 3K gal | Rainfall / Flooding | Yes | Paved Surface;Separate Storm Drain |
| Oct 24, 2021 | 500 gal | Rainfall / Flooding | Yes | Separate Storm Drain |
| Sep 11, 2020 | 51 gal | Root Intrusion | — | Street/Curb and Gutter |
| Mar 16, 2020 | 550 gal | Equipment Failure | Yes | Separate Storm Drain |
| Jun 6, 2019 | 80 gal | Grease / FOG | — | Paved Surface;Separate Storm Drain |
| Feb 26, 2019 | 29K gal | Rainfall / Flooding | Yes | Separate Storm Drain |
| Oct 17, 2018 | 975 gal | Equipment Failure | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Jun 9, 2017 | 2 gal | Equipment Failure | — | Unpaved surface |
| Jan 21, 2017 | 67 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Mar 16, 2016 | 4 gal | Root Intrusion | — | Paved Surface |
| Feb 25, 2016 | 5 gal | Root Intrusion | — | Paved Surface |
| Nov 26, 2015 | 984 gal | Equipment Failure | — | Separate Storm Drain |
| Sep 24, 2015 | 7 gal | Root Intrusion | — | Paved Surface |
| Jul 27, 2015 | 20 gal | Grease / FOG | — | Separate Storm Drain |
| Jun 24, 2015 | 23 gal | Grease / FOG | — | Paved Surface |
| Jan 21, 2015 | 190 gal | Root Intrusion | — | Paved Surface |
| Jan 20, 2015 | 740 gal | Grease / FOG | Yes | Separate Storm Drain;Surface Water |
| Dec 10, 2014 | 50 gal | Root Intrusion | — | Unpaved surface |
| Aug 2, 2014 | 49 gal | Root Intrusion | — | Surface Water |
| Mar 15, 2014 | 15 gal | Root Intrusion | Yes | Separate Storm Drain;Street/Curb and Gutter |
| Dec 16, 2013 | 6 gal | Root Intrusion | — | Street/Curb and Gutter |
| Oct 17, 2013 | 192 gal | Root Intrusion | Yes | Paved Surface;Separate Storm Drain |
| Jul 1, 2013 | 875 gal | Root Intrusion | Yes | Surface water |
| Dec 23, 2012 | 480 gal | Rainfall / Flooding | Yes | Surface water |
| Dec 2, 2012 | 2K gal | Other / Unknown | Yes | Separate storm drain |
| Dec 2, 2012 | 238 gal | Other / Unknown | — | Unpaved surface;Other paved surface;Street/curb and gutter |
| Nov 28, 2012 | 100 gal | Other / Unknown | Yes | Other (specify below) |
| Oct 29, 2012 | 500 gal | Other / Unknown | — | Separate storm drain;Street/curb and gutter |
| Oct 1, 2012 | 53K gal | Equipment Failure | Yes | Other paved surface;Separate storm drain;Street/curb and gutter |
| Aug 20, 2012 | 300 gal | Root Intrusion | — | Unpaved surface |
| Apr 5, 2012 | 72 gal | Root Intrusion | — | Street/curb and gutter |
| Aug 1, 2011 | 1K gal | Root Intrusion | — | Separate storm drain;Unpaved surface |
| Mar 24, 2011 | 780 gal | Other / Unknown | Yes | Other paved surface |
| Mar 22, 2010 | 75 gal | Root Intrusion | — | Street/curb and gutter |
| Feb 17, 2010 | 150 gal | Grease / FOG | — | Storm drain;Street/curb and gutter;Unpaved surface |
| Sep 10, 2009 | 225 gal | Root Intrusion | — | Street/curb and gutter |
| Aug 6, 2009 | 800 gal | Other / Unknown | — | Separate storm drain;Street/curb and gutter;Surface water |
| Jul 31, 2009 | 30 gal | Other / Unknown | — | Separate storm drain;Unpaved surface |
| Jul 18, 2009 | 2K gal | Equipment Failure | — | Other paved surface;Separate storm drain;Street/curb and gutter |
| Feb 22, 2009 | 1K gal | Root Intrusion | Yes | Building or structure;Separate storm drain;Street/curb and gutter;Unpaved surface |
| May 29, 2008 | 1 gal | Other / Unknown | — | Building or structure |
| Apr 14, 2008 | 50 gal | Equipment Failure | — | Unpaved surface |
| Jan 16, 2008 | 200 gal | Root Intrusion | — | Unpaved surface |
| Jan 4, 2008 | 8 gal | Equipment Failure | — | Building or structure |
| Jan 2, 2008 | 150 gal | Root Intrusion | — | Other paved surface |
| Oct 26, 2007 | 1 gal | Root Intrusion | — | Other paved surface |
| Oct 26, 2007 | 50 gal | Root Intrusion | — | Separate storm drain |
| Sep 23, 2007 | 180 gal | Other / Unknown | — | Storm drain |
| Sep 10, 2007 | 100 gal | Root Intrusion | — | Other paved surface |
| Aug 16, 2007 | 51 gal | Root Intrusion | — | Unpaved surface |
| Jul 17, 2007 | 40 gal | Root Intrusion | — | Unpaved surface |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.