All rankings
California · California (CIWQS)
Vacaville City DPW
B
Seldom reaches water
Reported events
210
Total volume
116K gal
Reached waterways
15 (7%)
Reporting since
2007
What caused the overflows
Grease / FOG
62
Root Intrusion
62
Equipment Failure
60
Other / Unknown
24
Rainfall / Flooding
1
Capacity Issue
1
Reported overflow events (showing 200 of 210)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Jan 25, 2026 | 283 gal | Root Intrusion | — | — |
| Jun 30, 2024 | 995 gal | Grease / FOG | — | — |
| Jun 15, 2024 | 290 gal | Grease / FOG | — | Storm Detention Area: Pine Basin 1 |
| Mar 29, 2024 | 2K gal | Grease / FOG | Yes | Ulatis Creek |
| Feb 16, 2024 | 702 gal | Other / Unknown | Yes | Ulatis Creek |
| Dec 29, 2023 | 488 gal | Equipment Failure | Yes | Alamo Creek |
| Nov 3, 2023 | 76 gal | Root Intrusion | — | — |
| Oct 21, 2023 | 2K gal | Grease / FOG | Yes | Alamo Creek |
| Sep 2, 2023 | 3K gal | Equipment Failure | — | Ulatis Creek |
| Jun 21, 2023 | 308 gal | Other / Unknown | — | — |
| Mar 25, 2023 | 271 gal | Root Intrusion | — | Paved Surface |
| Feb 17, 2023 | 2 gal | Other / Unknown | — | Street/Curb and Gutter |
| Jan 28, 2023 | 797 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Jan 5, 2023 | 2K gal | Other / Unknown | — | Unpaved surface |
| Dec 24, 2022 | 60 gal | Equipment Failure | — | Paved Surface;Street/Curb and Gutter |
| Dec 23, 2022 | 8 gal | Equipment Failure | — | Paved Surface;Street/Curb and Gutter |
| Dec 9, 2022 | 5 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Oct 11, 2022 | 16 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Sep 27, 2022 | 9 gal | Root Intrusion | — | Street/Curb and Gutter |
| Sep 25, 2022 | 5K gal | Equipment Failure | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Surface Water |
| Sep 3, 2022 | 22 gal | Root Intrusion | — | Paved Surface;Street/Curb and Gutter |
| Jun 16, 2022 | 1 gal | Equipment Failure | — | Paved Surface;Street/Curb and Gutter |
| May 24, 2022 | 4 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter |
| Apr 7, 2022 | 10 gal | Equipment Failure | — | Street/Curb and Gutter |
| Mar 18, 2022 | 28 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Mar 11, 2022 | 195 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Mar 9, 2022 | 370 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Mar 7, 2022 | 84 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Feb 26, 2022 | 4 gal | Root Intrusion | — | Street/Curb and Gutter;Unpaved surface |
| Jan 19, 2022 | 3K gal | Equipment Failure | Yes | Drainage Channel;Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Surface Water |
| Dec 23, 2021 | 213 gal | Grease / FOG | — | Paved Surface;Unpaved surface |
| Nov 22, 2021 | 4 gal | Root Intrusion | — | Street/Curb and Gutter |
| Nov 22, 2021 | 25 gal | Grease / FOG | — | Separate Storm Drain |
| Oct 26, 2021 | 138 gal | Grease / FOG | — | Street/Curb and Gutter |
| Oct 25, 2021 | 12 gal | Equipment Failure | — | Other (specify below) |
| Aug 27, 2021 | 10 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jun 10, 2021 | 40 gal | Grease / FOG | — | Separate Storm Drain;Street/Curb and Gutter |
| May 26, 2021 | 1 gal | Root Intrusion | — | Paved Surface;Street/Curb and Gutter;Unpaved surface |
| May 18, 2021 | 5 gal | Equipment Failure | — | Street/Curb and Gutter |
| May 11, 2021 | 6 gal | Capacity Issue | — | Street/Curb and Gutter |
| Apr 11, 2021 | 54 gal | Root Intrusion | — | Street/Curb and Gutter |
| Mar 8, 2021 | 44 gal | Root Intrusion | — | Street/Curb and Gutter |
| Feb 28, 2021 | 6 gal | Root Intrusion | — | Street/Curb and Gutter |
| Feb 24, 2021 | 148 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter |
| Feb 16, 2021 | 5K gal | Grease / FOG | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Surface Water |
| Feb 14, 2021 | 4 gal | Root Intrusion | — | Street/Curb and Gutter |
| Feb 13, 2021 | 1 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jan 20, 2021 | 4 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jan 7, 2021 | 10 gal | Equipment Failure | — | Street/Curb and Gutter |
| Dec 31, 2020 | 21 gal | Root Intrusion | — | Street/Curb and Gutter |
| Dec 11, 2020 | 6 gal | Root Intrusion | — | Street/Curb and Gutter |
| Nov 20, 2020 | 51 gal | Root Intrusion | — | Unpaved surface |
| Nov 5, 2020 | 93 gal | Grease / FOG | — | Separate Storm Drain;Street/Curb and Gutter |
| Oct 19, 2020 | 2 gal | Other / Unknown | — | Street/Curb and Gutter |
| Aug 7, 2020 | 5 gal | Grease / FOG | — | Street/Curb and Gutter |
| Jun 3, 2020 | 149 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| May 7, 2020 | 3 gal | Root Intrusion | — | Street/Curb and Gutter |
| Apr 10, 2020 | 80 gal | Root Intrusion | — | Street/Curb and Gutter |
| Apr 7, 2020 | 1 gal | Equipment Failure | — | Paved Surface |
| Mar 21, 2020 | 398 gal | Equipment Failure | Yes | Separate Storm Drain;Street/Curb and Gutter;Surface Water |
| Mar 9, 2020 | 37 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter |
| Feb 22, 2020 | 27 gal | Equipment Failure | — | Street/Curb and Gutter |
| Feb 12, 2020 | 7 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain |
| Feb 12, 2020 | 114 gal | Root Intrusion | — | Unpaved surface |
| Feb 8, 2020 | 22 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Feb 3, 2020 | 3 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter |
| Jan 31, 2020 | 8 gal | Other / Unknown | — | Street/Curb and Gutter |
| Jan 25, 2020 | 9 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jan 22, 2020 | 26 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Jan 19, 2020 | 20 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter |
| Jan 19, 2020 | 2 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jan 19, 2020 | 2 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jan 7, 2020 | 5 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Jan 2, 2020 | 1 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jan 1, 2020 | 22 gal | Root Intrusion | — | Street/Curb and Gutter |
| Dec 26, 2019 | 6 gal | Root Intrusion | — | Street/Curb and Gutter |
| Dec 4, 2019 | 594 gal | Equipment Failure | Yes | Separate Storm Drain;Street/Curb and Gutter;Surface Water |
| Nov 27, 2019 | 16 gal | Equipment Failure | — | Street/Curb and Gutter |
| Nov 13, 2019 | 17 gal | Equipment Failure | — | Street/Curb and Gutter |
| Nov 1, 2019 | 50 gal | Equipment Failure | — | Street/Curb and Gutter |
| Oct 19, 2019 | 66 gal | Grease / FOG | — | Street/Curb and Gutter |
| Sep 29, 2019 | 23 gal | Equipment Failure | — | Street/Curb and Gutter |
| Sep 9, 2019 | 10 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jul 23, 2019 | 3 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jul 19, 2019 | 8 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jul 15, 2019 | 33 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter |
| Jun 28, 2019 | 7 gal | Other / Unknown | — | Paved Surface |
| Jun 28, 2019 | 3 gal | Equipment Failure | — | Street/Curb and Gutter |
| May 24, 2019 | 86 gal | Other / Unknown | — | Street/Curb and Gutter |
| May 7, 2019 | 12 gal | Root Intrusion | — | Street/Curb and Gutter |
| Mar 17, 2019 | 18 gal | Root Intrusion | — | Street/Curb and Gutter |
| Mar 13, 2019 | 1 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jan 3, 2019 | 38 gal | Root Intrusion | — | Unpaved surface |
| Jan 2, 2019 | 29 gal | Root Intrusion | — | Street/Curb and Gutter |
| Dec 30, 2018 | 2 gal | Root Intrusion | — | Street/Curb and Gutter |
| Dec 11, 2018 | 616 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter |
| Nov 26, 2018 | 56 gal | Equipment Failure | — | Street/Curb and Gutter |
| Nov 22, 2018 | 457 gal | Grease / FOG | — | Separate Storm Drain;Street/Curb and Gutter |
| Nov 19, 2018 | 13 gal | Root Intrusion | — | Street/Curb and Gutter |
| Oct 28, 2018 | 1 gal | Grease / FOG | — | Street/Curb and Gutter |
| Aug 2, 2018 | 42 gal | Grease / FOG | — | Separate Storm Drain;Street/Curb and Gutter |
| Jun 28, 2018 | 7 gal | Grease / FOG | — | Street/Curb and Gutter |
| May 8, 2018 | 69 gal | Grease / FOG | — | Separate Storm Drain;Street/Curb and Gutter |
| Apr 27, 2018 | 7 gal | Equipment Failure | — | Street/Curb and Gutter |
| Mar 12, 2018 | 87 gal | Equipment Failure | — | Street/Curb and Gutter |
| Mar 6, 2018 | 8 gal | Root Intrusion | — | Street/Curb and Gutter |
| Mar 4, 2018 | 2 gal | Equipment Failure | — | Street/Curb and Gutter |
| Mar 3, 2018 | 1 gal | Root Intrusion | — | Street/Curb and Gutter |
| Feb 11, 2018 | 2 gal | Root Intrusion | — | Separate Storm Drain |
| Jan 29, 2018 | 1 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jan 13, 2018 | 13 gal | Other / Unknown | — | Separate Storm Drain |
| Jan 9, 2018 | 266 gal | Equipment Failure | — | Separate Storm Drain |
| Dec 29, 2017 | 7 gal | Grease / FOG | — | Street/Curb and Gutter |
| Dec 19, 2017 | 3 gal | Equipment Failure | — | Street/Curb and Gutter |
| Dec 19, 2017 | 118 gal | Root Intrusion | — | Street/Curb and Gutter |
| Dec 12, 2017 | 2 gal | Equipment Failure | — | Street/Curb and Gutter |
| Dec 9, 2017 | 7 gal | Other / Unknown | — | Street/Curb and Gutter |
| Nov 22, 2017 | 8 gal | Root Intrusion | — | Street/Curb and Gutter |
| Oct 25, 2017 | 85 gal | Grease / FOG | — | Street/Curb and Gutter |
| Aug 4, 2017 | 11 gal | Grease / FOG | — | Street/Curb and Gutter |
| Jul 29, 2017 | 5 gal | Grease / FOG | — | Street/Curb and Gutter |
| Jul 19, 2017 | 1 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jun 23, 2017 | 5 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jun 19, 2017 | 21 gal | Root Intrusion | — | Street/Curb and Gutter |
| Apr 11, 2017 | 95 gal | Grease / FOG | — | Separate Storm Drain |
| Apr 10, 2017 | 11 gal | Grease / FOG | — | Street/Curb and Gutter |
| Mar 21, 2017 | 451 gal | Other / Unknown | — | Paved Surface;Separate Storm Drain |
| Mar 15, 2017 | 161 gal | Grease / FOG | — | Separate Storm Drain;Street/Curb and Gutter |
| Mar 3, 2017 | 855 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Feb 20, 2017 | 4K gal | Grease / FOG | Yes | Separate Storm Drain;Street/Curb and Gutter |
| Feb 13, 2017 | 10 gal | Equipment Failure | — | Street/Curb and Gutter |
| Feb 7, 2017 | 1K gal | Rainfall / Flooding | Yes | Drainage Channel;Separate Storm Drain |
| Feb 1, 2017 | 17 gal | Root Intrusion | Yes | Separate Storm Drain;Street/Curb and Gutter |
| Jan 27, 2017 | 14 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Jan 11, 2017 | 148 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Jan 5, 2017 | 30 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Dec 29, 2016 | 2 gal | Equipment Failure | — | Street/Curb and Gutter |
| Dec 27, 2016 | 146 gal | Grease / FOG | — | Separate Storm Drain;Street/Curb and Gutter |
| Dec 24, 2016 | 109 gal | Grease / FOG | — | Separate Storm Drain;Street/Curb and Gutter |
| Dec 13, 2016 | 5 gal | Root Intrusion | — | Unpaved surface |
| Nov 29, 2016 | 1K gal | Other / Unknown | Yes | Drainage Channel |
| Sep 29, 2016 | 20 gal | Root Intrusion | — | Street/Curb and Gutter;Unpaved surface |
| Aug 5, 2016 | 76 gal | Grease / FOG | — | Separate Storm Drain;Street/Curb and Gutter |
| Jul 28, 2016 | 33 gal | Equipment Failure | — | Street/Curb and Gutter |
| Mar 30, 2016 | 134 gal | Equipment Failure | — | Street/Curb and Gutter |
| Feb 29, 2016 | 97 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jan 30, 2016 | 50 gal | Equipment Failure | — | Separate Storm Drain |
| Jan 20, 2016 | 80 gal | Equipment Failure | — | Paved Surface |
| May 26, 2015 | 59 gal | Grease / FOG | — | Paved Surface;Street/Curb and Gutter |
| May 1, 2015 | 50 gal | Equipment Failure | — | Unpaved surface |
| Mar 28, 2015 | 30 gal | Grease / FOG | — | Street/Curb and Gutter |
| Mar 15, 2015 | 10 gal | Grease / FOG | — | Unpaved surface |
| Dec 16, 2014 | 347 gal | Grease / FOG | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Nov 13, 2014 | 149 gal | Grease / FOG | — | Street/Curb and Gutter |
| Nov 9, 2014 | 15 gal | Grease / FOG | — | Unpaved surface |
| May 26, 2014 | 339 gal | Equipment Failure | — | Paved Surface;Separate Storm Drain |
| Apr 18, 2014 | 35 gal | Root Intrusion | — | Street/Curb and Gutter |
| Mar 4, 2014 | 15 gal | Grease / FOG | — | Paved Surface;Street/Curb and Gutter |
| Feb 27, 2014 | 138 gal | Grease / FOG | Yes | Separate Storm Drain;Street/Curb and Gutter |
| Dec 24, 2013 | 100 gal | Grease / FOG | — | Paved Surface;Street/Curb and Gutter |
| Dec 20, 2013 | 57 gal | Grease / FOG | — | Street/Curb and Gutter |
| Jun 9, 2013 | 598 gal | Other / Unknown | — | Other paved surface;Separate storm drain;Street/curb and gutter |
| Apr 17, 2013 | 325 gal | Other / Unknown | — | Street/curb and gutter |
| Mar 16, 2013 | 2K gal | Other / Unknown | — | Separate storm drain;Street/curb and gutter |
| Nov 19, 2012 | 325 gal | Grease / FOG | — | Other paved surface;Separate storm drain;Street/curb and gutter |
| Sep 20, 2012 | 28 gal | Grease / FOG | — | Street/curb and gutter |
| Jul 31, 2012 | 100 gal | Grease / FOG | — | Separate storm drain;Street/curb and gutter |
| Jun 25, 2012 | 150 gal | Grease / FOG | — | Other paved surface;Separate storm drain;Street/curb and gutter |
| Apr 9, 2012 | 20 gal | Other / Unknown | — | Separate storm drain |
| Apr 7, 2012 | 62 gal | Root Intrusion | — | Street/curb and gutter |
| Nov 21, 2011 | 5 gal | Root Intrusion | — | Building or structure |
| Nov 16, 2011 | 31 gal | Other / Unknown | — | Street/curb and gutter |
| Nov 7, 2011 | 450 gal | Grease / FOG | — | Other paved surface;Separate storm drain;Street/curb and gutter |
| Nov 1, 2011 | 25 gal | Other / Unknown | — | Separate storm drain;Street/curb and gutter |
| Oct 24, 2011 | 50 gal | Other / Unknown | — | Unpaved surface |
| Oct 16, 2011 | 205 gal | Grease / FOG | — | Separate storm drain;Street/curb and gutter |
| Sep 8, 2011 | 3 gal | Other / Unknown | — | Street/curb and gutter |
| Jul 20, 2011 | 5 gal | Grease / FOG | — | Street/curb and gutter |
| Jun 26, 2011 | 25 gal | Grease / FOG | — | Street/curb and gutter |
| May 31, 2011 | 171 gal | Grease / FOG | — | Street/curb and gutter |
| May 19, 2011 | 99 gal | Grease / FOG | — | Street/curb and gutter |
| Apr 30, 2011 | 750 gal | Grease / FOG | — | Street/curb and gutter |
| Feb 22, 2011 | 37 gal | Other / Unknown | — | Building or structure |
| Feb 15, 2011 | 2K gal | Other / Unknown | — | Separate storm drain;Street/curb and gutter |
| Dec 26, 2010 | 2K gal | Grease / FOG | — | Separate storm drain |
| Dec 22, 2010 | 30 gal | Root Intrusion | — | Building or structure |
| Oct 27, 2010 | 20 gal | Other / Unknown | — | Street/curb and gutter |
| Aug 23, 2010 | 50 gal | Grease / FOG | — | Street/curb and gutter |
| Aug 5, 2010 | 450 gal | Grease / FOG | Yes | Separate storm drain;Street/curb and gutter;Surface water |
| May 19, 2010 | 9K gal | Root Intrusion | — | Separate storm drain;Street/curb and gutter |
| May 10, 2010 | 5K gal | Equipment Failure | — | Storm drain;Street/curb and gutter |
| Dec 24, 2009 | 525 gal | Root Intrusion | — | Street/curb and gutter |
| May 6, 2009 | 25 gal | Grease / FOG | — | Street/curb and gutter |
| Mar 19, 2009 | 5 gal | Equipment Failure | — | Other paved surface |
| Mar 3, 2009 | 875 gal | Grease / FOG | — | Storm drain;Street/curb and gutter |
| Nov 13, 2008 | 2K gal | Grease / FOG | — | Storm drain;Street/curb and gutter |
| Sep 17, 2008 | 75 gal | Grease / FOG | — | Street/curb and gutter |
| Mar 22, 2008 | 14K gal | Grease / FOG | — | Storm drain |
| Mar 14, 2008 | 1K gal | Grease / FOG | — | Storm drain |
| Mar 12, 2008 | 75 gal | Root Intrusion | — | Street/curb and gutter |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.