All rankings
California · California (CIWQS)
Oakland International Airport
C
Often reaches water
Reported events
49
Total volume
32K gal
Reached waterways
13 (27%)
Reporting since
2007
What caused the overflows
Equipment Failure
27
Other / Unknown
20
Grease / FOG
2
Reported overflow events (showing 49 of 49)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Sep 24, 2025 | 10 gal | Other / Unknown | Yes | Oakland Estuary |
| Dec 1, 2023 | 1 gal | Other / Unknown | Yes | — |
| Dec 1, 2023 | 1 gal | Equipment Failure | Yes | Oakland Estuary |
| Mar 18, 2022 | 1K gal | Equipment Failure | — | Other (specify below) |
| Feb 23, 2022 | 60 gal | Equipment Failure | Yes | Paved Surface;Separate Storm Drain |
| Oct 15, 2021 | 5 gal | Other / Unknown | — | Paved Surface;Unpaved surface |
| Sep 7, 2021 | 4K gal | Equipment Failure | — | Other (specify below) |
| May 18, 2021 | 25 gal | Other / Unknown | — | Other (specify below) |
| May 17, 2021 | 20 gal | Other / Unknown | — | Other (specify below) |
| Mar 19, 2021 | 3 gal | Equipment Failure | — | Paved Surface |
| Mar 5, 2021 | 24 gal | Other / Unknown | — | Other (specify below) |
| Mar 1, 2021 | 75 gal | Other / Unknown | Yes | Other (specify below);Paved Surface |
| Feb 9, 2021 | 50 gal | Other / Unknown | Yes | Separate Storm Drain |
| Oct 19, 2020 | 55 gal | Other / Unknown | — | Other (specify below) |
| Oct 16, 2020 | 140 gal | Other / Unknown | — | Other (specify below) |
| Aug 27, 2020 | 15 gal | Equipment Failure | — | Other (specify below) |
| Apr 6, 2020 | 30 gal | Other / Unknown | — | Paved Surface |
| Jul 1, 2019 | 45 gal | Other / Unknown | — | Paved Surface |
| Jun 5, 2019 | 1 gal | Equipment Failure | Yes | Other (specify below) |
| Jan 29, 2019 | 40 gal | Equipment Failure | — | Paved Surface |
| Dec 10, 2018 | 250 gal | Equipment Failure | — | Other (specify below);Paved Surface |
| Oct 25, 2018 | 600 gal | Equipment Failure | Yes | Paved Surface;Separate Storm Drain |
| Jul 6, 2018 | 200 gal | Equipment Failure | — | Other (specify below) |
| May 27, 2017 | 20 gal | Equipment Failure | — | Paved Surface |
| Apr 9, 2017 | 15 gal | Equipment Failure | — | Paved Surface |
| Sep 19, 2016 | 8K gal | Equipment Failure | — | Unpaved surface |
| Jul 27, 2016 | 2K gal | Equipment Failure | — | Unpaved surface |
| Apr 26, 2016 | 300 gal | Equipment Failure | — | Unpaved surface |
| Mar 28, 2016 | 130 gal | Equipment Failure | Yes | Paved Surface |
| Jan 15, 2016 | 2K gal | Equipment Failure | — | Unpaved surface |
| Dec 31, 2015 | 100 gal | Equipment Failure | — | Unpaved surface |
| Aug 4, 2015 | 1K gal | Other / Unknown | — | Other (specify below) |
| May 19, 2015 | 1K gal | Other / Unknown | — | Unpaved surface |
| May 13, 2014 | 30 gal | Other / Unknown | — | Paved Surface |
| Mar 17, 2014 | 336 gal | Other / Unknown | Yes | Separate Storm Drain |
| Sep 12, 2012 | 10 gal | Other / Unknown | — | Building or structure |
| Sep 9, 2012 | 200 gal | Equipment Failure | — | Building or structure;Other paved surface |
| Aug 24, 2012 | 30 gal | Equipment Failure | — | Other (specify below) |
| Apr 27, 2012 | 30 gal | Equipment Failure | — | Other paved surface |
| Jan 24, 2012 | 200 gal | Other / Unknown | — | Unpaved surface |
| Jun 7, 2011 | 50 gal | Equipment Failure | — | Other paved surface;Separate storm drain |
| Apr 6, 2011 | 75 gal | Equipment Failure | — | Other paved surface |
| Jul 22, 2010 | 50 gal | Other / Unknown | — | Other (specify below) |
| Jun 10, 2010 | 20 gal | Equipment Failure | — | Other paved surface |
| Dec 24, 2009 | 30 gal | Other / Unknown | — | Other paved surface |
| Dec 19, 2008 | 400 gal | Equipment Failure | — | Building or structure;Other paved surface |
| Nov 30, 2008 | 500 gal | Grease / FOG | Yes | Separate storm drain |
| Dec 23, 2007 | 10K gal | Grease / FOG | Yes | Separate storm drain |
| Aug 1, 2007 | 100 gal | Equipment Failure | Yes | Unpaved surface |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.