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California · California (CIWQS)
Eureka City
F
Usually reaches water
Reported events
108
Total volume
449K gal
Reached waterways
60 (56%)
Reporting since
2007
What caused the overflows
Equipment Failure
57
Rainfall / Flooding
15
Root Intrusion
14
Other / Unknown
14
Grease / FOG
7
Capacity Issue
1
Reported overflow events (showing 108 of 108)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Apr 6, 2026 | 118 gal | Equipment Failure | Yes | Martin Slough/Creek |
| Feb 24, 2026 | 74K gal | Rainfall / Flooding | Yes | Palco Marsh |
| Dec 19, 2025 | 7K gal | Rainfall / Flooding | Yes | Palco Marsh |
| Jan 3, 2025 | 29K gal | Rainfall / Flooding | Yes | Palco March |
| Dec 29, 2024 | 2K gal | Rainfall / Flooding | Yes | Palco Marsh |
| Dec 27, 2024 | 180 gal | Equipment Failure | — | None |
| Dec 15, 2024 | 5K gal | Equipment Failure | Yes | Palco Marsh |
| Jun 26, 2023 | 150 gal | Grease / FOG | — | — |
| Mar 28, 2023 | 3K gal | Equipment Failure | Yes | Other (specify below) |
| Mar 14, 2023 | 750 gal | Other / Unknown | Yes | Surface Water |
| Mar 13, 2023 | 600 gal | Other / Unknown | Yes | Drainage Channel |
| Mar 4, 2023 | 7K gal | Equipment Failure | Yes | Drainage Channel;Surface Water |
| Nov 12, 2022 | 326 gal | Equipment Failure | Yes | Separate Storm Drain |
| Aug 30, 2022 | 50 gal | Other / Unknown | Yes | Drainage Channel |
| Aug 14, 2022 | 8 gal | Equipment Failure | Yes | Drainage Channel |
| Aug 13, 2022 | 4 gal | Equipment Failure | Yes | Drainage Channel |
| Jul 23, 2022 | 100 gal | Root Intrusion | — | Building or Structure |
| Apr 28, 2022 | 750 gal | Equipment Failure | Yes | Drainage Channel |
| Jan 9, 2022 | 10 gal | Equipment Failure | — | Unpaved surface |
| Dec 29, 2021 | 300 gal | Root Intrusion | Yes | Drainage Channel |
| Dec 22, 2021 | 50 gal | Equipment Failure | — | Paved Surface |
| Dec 20, 2021 | 150 gal | Equipment Failure | — | Street/Curb and Gutter |
| Oct 22, 2021 | 75 gal | Equipment Failure | — | Unpaved surface |
| Jul 29, 2021 | 15 gal | Equipment Failure | — | Street/Curb and Gutter |
| Mar 23, 2021 | 100 gal | Equipment Failure | — | Paved Surface |
| Nov 7, 2020 | 10 gal | Root Intrusion | — | Street/Curb and Gutter |
| Sep 8, 2020 | 10 gal | Equipment Failure | — | Street/Curb and Gutter |
| Aug 7, 2020 | 20 gal | Equipment Failure | — | Unpaved surface |
| Aug 5, 2020 | 10 gal | Equipment Failure | — | Unpaved surface |
| Jun 23, 2020 | 15 gal | Equipment Failure | — | Paved Surface |
| Jun 3, 2020 | 30 gal | Root Intrusion | — | Street/Curb and Gutter |
| May 8, 2020 | 50 gal | Root Intrusion | — | Paved Surface |
| Apr 9, 2020 | 15 gal | Equipment Failure | — | Street/Curb and Gutter |
| Apr 7, 2020 | 10 gal | Equipment Failure | — | Paved Surface |
| Apr 5, 2020 | 25 gal | Equipment Failure | — | Street/Curb and Gutter |
| Mar 6, 2020 | 900 gal | Equipment Failure | — | Paved Surface |
| Feb 28, 2020 | 200 gal | Grease / FOG | Yes | Street/Curb and Gutter |
| Jan 12, 2020 | 4K gal | Root Intrusion | Yes | Surface Water |
| Jan 10, 2020 | 200 gal | Root Intrusion | — | Unpaved surface |
| Dec 10, 2019 | 200 gal | Equipment Failure | Yes | Paved Surface |
| Oct 23, 2019 | 253 gal | Root Intrusion | Yes | Street/Curb and Gutter;Surface Water |
| Sep 28, 2019 | 5 gal | Equipment Failure | — | Paved Surface |
| Sep 19, 2019 | 10 gal | Equipment Failure | — | Paved Surface |
| Aug 12, 2019 | 10 gal | Equipment Failure | — | Paved Surface |
| Feb 27, 2019 | 76K gal | Rainfall / Flooding | Yes | Surface Water |
| Feb 27, 2019 | 20K gal | Other / Unknown | Yes | Surface Water |
| Feb 27, 2019 | 28K gal | Rainfall / Flooding | Yes | Other (specify below) |
| Feb 26, 2019 | 750 gal | Rainfall / Flooding | Yes | Surface Water |
| Feb 26, 2019 | 90 gal | Other / Unknown | Yes | Surface Water |
| Feb 25, 2019 | 4K gal | Equipment Failure | Yes | Separate Storm Drain;Street/Curb and Gutter;Surface Water |
| Dec 3, 2018 | 25 gal | Equipment Failure | — | Unpaved surface |
| Nov 28, 2018 | 300 gal | Root Intrusion | — | Street/Curb and Gutter |
| Nov 24, 2018 | 700 gal | Grease / FOG | — | Street/Curb and Gutter |
| Nov 19, 2018 | 875 gal | Equipment Failure | — | Street/Curb and Gutter |
| Aug 15, 2018 | 35 gal | Other / Unknown | — | Street/Curb and Gutter |
| Aug 15, 2018 | 35 gal | Other / Unknown | — | Street/Curb and Gutter |
| Jul 8, 2018 | 75 gal | Grease / FOG | — | Street/Curb and Gutter |
| Jul 8, 2018 | 75 gal | Equipment Failure | — | Unpaved surface |
| Jun 18, 2018 | 30 gal | Equipment Failure | — | Other (specify below) |
| Jun 5, 2018 | 5 gal | Equipment Failure | — | Unpaved surface |
| May 30, 2018 | 55 gal | Equipment Failure | — | Paved Surface |
| Mar 22, 2018 | 110 gal | Equipment Failure | Yes | Street/Curb and Gutter |
| Jun 30, 2017 | 775 gal | Equipment Failure | Yes | Separate Storm Drain;Street/Curb and Gutter |
| Apr 22, 2017 | 15 gal | Grease / FOG | — | Paved Surface |
| Mar 28, 2017 | 80 gal | Equipment Failure | Yes | Surface Water |
| Feb 24, 2017 | 3K gal | Other / Unknown | Yes | Surface Water;Unpaved surface |
| Feb 21, 2017 | 4K gal | Equipment Failure | Yes | Paved Surface;Street/Curb and Gutter;Surface Water |
| Dec 15, 2016 | 215 gal | Rainfall / Flooding | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Surface Water |
| Dec 15, 2016 | 150 gal | Rainfall / Flooding | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Surface Water;Unpaved surface |
| Dec 15, 2016 | 18K gal | Rainfall / Flooding | — | Drainage Channel;Paved Surface;Street/Curb and Gutter |
| Oct 3, 2016 | 100 gal | Grease / FOG | — | Building or Structure;Paved Surface |
| Dec 26, 2015 | 900 gal | Equipment Failure | Yes | Separate Storm Drain;Street/Curb and Gutter |
| Jul 28, 2015 | 100 gal | Equipment Failure | Yes | Separate Storm Drain |
| Dec 21, 2014 | 5K gal | Grease / FOG | Yes | Separate Storm Drain |
| Oct 21, 2014 | 500 gal | Equipment Failure | Yes | Paved Surface;Separate Storm Drain |
| Oct 4, 2014 | 90 gal | Equipment Failure | Yes | Surface Water |
| Sep 23, 2014 | 900 gal | Root Intrusion | Yes | Surface Water;Unpaved surface |
| Apr 11, 2014 | 8K gal | Equipment Failure | Yes | Separate Storm Drain |
| Feb 10, 2014 | 600 gal | Equipment Failure | Yes | Unpaved surface |
| Feb 6, 2014 | 50 gal | Equipment Failure | — | Paved Surface |
| Jan 10, 2014 | 20 gal | Equipment Failure | Yes | Paved Surface |
| Oct 24, 2013 | 104 gal | Equipment Failure | Yes | Combined Storm Drain (Combined CS only);Drainage Channel |
| Dec 2, 2012 | 17K gal | Rainfall / Flooding | Yes | Surface water |
| Mar 31, 2012 | 7K gal | Rainfall / Flooding | — | Separate storm drain |
| Mar 30, 2012 | 2K gal | Rainfall / Flooding | — | Surface water |
| Mar 30, 2012 | 5K gal | Rainfall / Flooding | Yes | Surface water |
| Mar 29, 2012 | 90K gal | Rainfall / Flooding | Yes | Surface water |
| Feb 21, 2012 | 2K gal | Other / Unknown | Yes | Surface water |
| Jul 14, 2011 | 300 gal | Other / Unknown | — | Unpaved surface |
| May 6, 2011 | 520 gal | Equipment Failure | Yes | Surface water |
| Apr 28, 2011 | 200 gal | Root Intrusion | Yes | Street/curb and gutter |
| Dec 16, 2010 | 250 gal | Other / Unknown | Yes | Separate storm drain |
| Nov 14, 2010 | 400 gal | Equipment Failure | Yes | Surface water |
| Oct 14, 2010 | 20 gal | Other / Unknown | Yes | Other (specify below) |
| Jun 24, 2010 | 2K gal | Equipment Failure | Yes | Unpaved surface |
| Dec 6, 2009 | 100 gal | Root Intrusion | — | Unpaved surface |
| Oct 9, 2009 | 180 gal | Root Intrusion | Yes | Other (specify below) |
| Aug 5, 2009 | 900 gal | Equipment Failure | Yes | Surface water |
| Jun 25, 2009 | 720 gal | Other / Unknown | — | Street/curb and gutter |
| Jun 20, 2009 | 15 gal | Root Intrusion | — | Storm drain |
| Feb 18, 2009 | 100 gal | Equipment Failure | — | Unpaved surface |
| Aug 19, 2008 | 200 gal | Equipment Failure | — | Unpaved surface |
| Aug 11, 2008 | 300 gal | Equipment Failure | Yes | Other (specify below) |
| Jan 31, 2008 | 9K gal | Capacity Issue | Yes | Other paved surface |
| Jan 31, 2008 | 300 gal | Equipment Failure | Yes | Separate storm drain |
| Oct 27, 2007 | 180 gal | Equipment Failure | Yes | Surface water |
| Aug 8, 2007 | 600 gal | Other / Unknown | Yes | Separate storm drain |
| Jul 2, 2007 | 800 gal | Equipment Failure | — | Other paved surface |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.