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California · California (CIWQS)
Montecillo cr, Discovery Bay CA and Pescadero Cir
F
Usually reaches water
Reported events
36
Total volume
189K gal
Reached waterways
21 (58%)
Reporting since
2007
What caused the overflows
Equipment Failure
20
Other / Unknown
16
Reported overflow events (showing 36 of 36)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Sep 14, 2022 | 16K gal | Equipment Failure | Yes | Drainage Channel |
| Dec 8, 2020 | 480 gal | Other / Unknown | Yes | Other (specify below) |
| Dec 7, 2020 | 480 gal | Equipment Failure | Yes | Other (specify below) |
| Jan 17, 2020 | 700 gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| Jul 11, 2019 | 150 gal | Equipment Failure | — | Paved Surface;Separate Storm Drain |
| Jun 12, 2019 | 975 gal | Equipment Failure | Yes | Unpaved surface |
| Dec 19, 2017 | 500 gal | Equipment Failure | — | Unpaved surface |
| Sep 8, 2017 | 270 gal | Other / Unknown | Yes | Separate Storm Drain;Street/Curb and Gutter |
| Nov 3, 2016 | 1K gal | Equipment Failure | — | Other (specify below) |
| Aug 25, 2016 | 350 gal | Other / Unknown | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Jun 12, 2016 | 900 gal | Other / Unknown | Yes | Other (specify below);Paved Surface;Surface Water;Unpaved surface |
| Sep 7, 2015 | 150 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Dec 18, 2014 | 10 gal | Equipment Failure | — | Paved Surface |
| Dec 17, 2014 | 30 gal | Other / Unknown | — | Other (specify below) |
| Nov 22, 2014 | 10 gal | Equipment Failure | — | Separate Storm Drain |
| Jun 25, 2014 | 50 gal | Other / Unknown | Yes | Drainage Channel |
| Apr 22, 2014 | 15 gal | Equipment Failure | Yes | Combined Storm Drain (Combined CS only) |
| Mar 19, 2014 | 100 gal | Other / Unknown | Yes | Other (specify below) |
| Dec 12, 2013 | 50 gal | Equipment Failure | Yes | Separate Storm Drain |
| Mar 14, 2013 | 400 gal | Other / Unknown | — | Other paved surface;Unpaved surface |
| Sep 14, 2012 | 40 gal | Other / Unknown | — | Unpaved surface |
| Apr 16, 2012 | 200 gal | Other / Unknown | — | Unpaved surface |
| Jan 28, 2012 | 750 gal | Other / Unknown | Yes | Surface water |
| Jun 27, 2011 | 20 gal | Other / Unknown | — | Separate storm drain;Street/curb and gutter |
| Apr 23, 2011 | 100 gal | Other / Unknown | Yes | Separate storm drain;Street/curb and gutter;Surface water |
| Jun 22, 2010 | 16K gal | Equipment Failure | Yes | Surface water |
| Aug 15, 2009 | 5K gal | Equipment Failure | Yes | Surface water;Unpaved surface |
| Aug 6, 2009 | 2K gal | Equipment Failure | Yes | Surface water |
| Jun 12, 2009 | 100 gal | Other / Unknown | — | Unpaved surface;Other (specify below) |
| May 19, 2009 | 100 gal | Other / Unknown | — | Other (specify below) |
| Mar 2, 2009 | 9K gal | Equipment Failure | Yes | Other (specify below) |
| Dec 17, 2008 | 5K gal | Equipment Failure | Yes | Other paved surface;Separate storm drain;Street/curb and gutter;Surface water;Unpaved surface;Other (specify below) |
| Nov 10, 2008 | 20K gal | Equipment Failure | Yes | Surface water;Unpaved surface |
| Sep 28, 2008 | 500 gal | Other / Unknown | — | Unpaved surface |
| Jul 17, 2008 | 100K gal | Equipment Failure | Yes | Storm drain;Surface water |
| Nov 27, 2007 | 9K gal | Equipment Failure | Yes | Surface water |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.