All rankings
California · California (CIWQS)
City of Redding
D
Frequently reaches water
Reported events
160
Total volume
3.0M gal
Reached waterways
56 (35%)
Reporting since
2007
What caused the overflows
Other / Unknown
68
Root Intrusion
43
Equipment Failure
25
Grease / FOG
14
Rainfall / Flooding
7
Capacity Issue
3
Reported overflow events (showing 160 of 160)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Mar 11, 2026 | 40 gal | Other / Unknown | Yes | Clover Creek |
| Dec 22, 2025 | 315 gal | Other / Unknown | Yes | Secondary channel to Oregon Gulch |
| Dec 21, 2025 | 17K gal | Other / Unknown | Yes | Churn Creek |
| Dec 21, 2025 | 25K gal | Other / Unknown | Yes | Little Churn Creek |
| Dec 21, 2025 | 25K gal | Other / Unknown | Yes | Little Churn Creek |
| Feb 4, 2024 | 859K gal | Equipment Failure | Yes | Sacramento river via Clear Creek |
| Feb 4, 2024 | 467K gal | Equipment Failure | Yes | Sacramento river via Clear Creek |
| Feb 4, 2024 | 467K gal | Equipment Failure | Yes | Sacramento river via Clear Creek |
| Feb 3, 2024 | 467K gal | Equipment Failure | Yes | Sacramento river via Clear Creek |
| Apr 27, 2023 | 1K gal | Other / Unknown | Yes | Drainage Channel;Paved Surface |
| Mar 14, 2023 | 2K gal | Rainfall / Flooding | Yes | Surface Water |
| Feb 1, 2023 | 18K gal | Root Intrusion | Yes | Drainage Channel |
| Dec 10, 2022 | 52 gal | Root Intrusion | — | Paved Surface |
| Nov 30, 2022 | 2K gal | Equipment Failure | Yes | Drainage Channel |
| Aug 25, 2022 | 10 gal | Grease / FOG | — | Paved Surface |
| Apr 28, 2022 | 300 gal | Equipment Failure | Yes | Drainage Channel |
| Jan 27, 2022 | 125 gal | Equipment Failure | — | Street/Curb and Gutter |
| Sep 4, 2021 | 3K gal | Other / Unknown | Yes | Drainage Channel |
| Sep 27, 2020 | 50 gal | Grease / FOG | — | Unpaved surface |
| Sep 2, 2020 | 11K gal | Other / Unknown | Yes | Surface Water;Unpaved surface |
| Aug 31, 2020 | 41K gal | Equipment Failure | Yes | Surface Water |
| Aug 7, 2020 | 10 gal | Grease / FOG | — | Building or Structure |
| Jan 15, 2020 | 360 gal | Root Intrusion | — | Other (specify below) |
| Sep 2, 2019 | 150 gal | Root Intrusion | — | Unpaved surface |
| Jul 8, 2019 | 200 gal | Other / Unknown | — | Other (specify below);Unpaved surface |
| Feb 14, 2019 | 8K gal | Other / Unknown | Yes | Street/Curb and Gutter;Surface Water |
| Jan 13, 2019 | 200 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Jan 10, 2019 | 3 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter |
| Oct 29, 2018 | 900 gal | Other / Unknown | Yes | Surface Water;Unpaved surface |
| Oct 9, 2018 | 114 gal | Other / Unknown | Yes | Drainage Channel;Street/Curb and Gutter |
| Jun 21, 2018 | 315 gal | Other / Unknown | — | Paved Surface |
| Feb 17, 2018 | 457 gal | Other / Unknown | — | Unpaved surface |
| Jan 15, 2018 | 315 gal | Other / Unknown | Yes | Other (specify below);Separate Storm Drain;Street/Curb and Gutter;Unpaved surface |
| Jan 2, 2018 | 61 gal | Other / Unknown | — | Unpaved surface |
| Dec 3, 2017 | 5 gal | Root Intrusion | — | Street/Curb and Gutter |
| May 27, 2017 | 65K gal | Other / Unknown | Yes | Drainage Channel;Surface Water;Unpaved surface |
| Mar 19, 2017 | 23 gal | Other / Unknown | — | Street/Curb and Gutter |
| Dec 13, 2016 | 5K gal | Other / Unknown | Yes | Drainage Channel;Other (specify below);Unpaved surface |
| Nov 25, 2016 | 10K gal | Other / Unknown | Yes | Separate Storm Drain;Surface Water |
| Nov 20, 2016 | 2K gal | Equipment Failure | Yes | Paved Surface;Surface Water |
| Aug 24, 2016 | 1K gal | Equipment Failure | Yes | Drainage Channel;Other (specify below);Unpaved surface |
| Aug 23, 2016 | 525 gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| Jun 9, 2016 | 200 gal | Equipment Failure | — | Paved Surface |
| Apr 28, 2016 | 5 gal | Equipment Failure | — | Paved Surface |
| Mar 23, 2016 | 96 gal | Root Intrusion | — | Unpaved surface |
| Mar 20, 2016 | 2K gal | Equipment Failure | — | Unpaved surface |
| Jan 13, 2016 | 11K gal | Other / Unknown | Yes | Building or Structure;Street/Curb and Gutter;Surface Water |
| Jan 5, 2016 | 6K gal | Rainfall / Flooding | Yes | Drainage Channel |
| Dec 28, 2015 | 1 gal | Root Intrusion | — | Building or Structure |
| Oct 28, 2015 | 57 gal | Grease / FOG | Yes | Building or Structure;Paved Surface;Surface Water |
| Aug 13, 2015 | 80 gal | Equipment Failure | — | Unpaved surface |
| Mar 17, 2015 | 650 gal | Other / Unknown | — | Other (specify below) |
| Mar 10, 2015 | 600 gal | Other / Unknown | — | Paved Surface |
| Feb 14, 2015 | 495 gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| Feb 3, 2015 | 1K gal | Equipment Failure | — | Unpaved surface |
| Jan 30, 2015 | 20 gal | Root Intrusion | — | Unpaved surface |
| Jan 13, 2015 | 3K gal | Equipment Failure | — | Unpaved surface |
| Dec 11, 2014 | 41K gal | Rainfall / Flooding | Yes | Drainage Channel;Paved Surface;Street/Curb and Gutter;Surface Water |
| Nov 22, 2014 | 5 gal | Other / Unknown | — | Unpaved surface |
| Oct 27, 2014 | 1 gal | Equipment Failure | — | Building or Structure |
| Jul 21, 2014 | 10 gal | Root Intrusion | — | Paved Surface |
| Apr 16, 2014 | 30 gal | Other / Unknown | — | Street/Curb and Gutter |
| Mar 23, 2014 | 1K gal | Other / Unknown | — | Unpaved surface |
| Feb 19, 2014 | 50 gal | Other / Unknown | — | Paved Surface |
| Jan 20, 2014 | 250 gal | Other / Unknown | — | Separate Storm Drain;Street/Curb and Gutter |
| Dec 11, 2013 | 10 gal | Grease / FOG | — | Paved Surface |
| Dec 1, 2013 | 20 gal | Other / Unknown | — | Unpaved surface |
| Nov 18, 2013 | 450 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| May 10, 2013 | 1 gal | Other / Unknown | — | Other (specify below) |
| Apr 29, 2013 | 10 gal | Root Intrusion | — | Street/curb and gutter |
| Apr 3, 2013 | 200 gal | Other / Unknown | — | Building or structure;Unpaved surface |
| Mar 29, 2013 | 600 gal | Other / Unknown | — | Other paved surface |
| Feb 9, 2013 | 870 gal | Other / Unknown | Yes | Other (specify below) |
| Dec 26, 2012 | 7 gal | Other / Unknown | — | Building or structure |
| Dec 21, 2012 | 2 gal | Other / Unknown | — | Building or structure |
| Oct 24, 2012 | 52 gal | Other / Unknown | Yes | Separate storm drain;Street/curb and gutter;Surface water;Unpaved surface |
| Aug 23, 2012 | 5 gal | Other / Unknown | — | Street/curb and gutter |
| Jun 19, 2012 | 20 gal | Other / Unknown | — | Street/curb and gutter |
| Jun 14, 2012 | 2 gal | Root Intrusion | — | Building or structure;Unpaved surface |
| Jun 13, 2012 | 400 gal | Root Intrusion | — | Other paved surface;Unpaved surface |
| May 14, 2012 | 10 gal | Other / Unknown | — | Building or structure |
| Feb 26, 2012 | 200 gal | Grease / FOG | — | Separate storm drain |
| Feb 15, 2012 | 30 gal | Other / Unknown | — | Unpaved surface |
| Jan 9, 2012 | 70K gal | Other / Unknown | Yes | Surface water;Unpaved surface;Other (specify below) |
| Jan 1, 2012 | 400 gal | Other / Unknown | Yes | Street/curb and gutter;Surface water;Other (specify below) |
| Nov 28, 2011 | 150 gal | Other / Unknown | — | Other paved surface |
| Sep 6, 2011 | 200 gal | Other / Unknown | — | Unpaved surface |
| Aug 22, 2011 | 60 gal | Grease / FOG | — | Building or structure;Street/curb and gutter |
| Jun 20, 2011 | 200 gal | Root Intrusion | — | Separate storm drain |
| Apr 21, 2011 | 35 gal | Other / Unknown | — | Separate storm drain;Street/curb and gutter |
| Mar 28, 2011 | 25 gal | Grease / FOG | — | Unpaved surface;Other (specify below) |
| Mar 14, 2011 | 25 gal | Other / Unknown | — | Street/curb and gutter |
| Feb 16, 2011 | 138 gal | Root Intrusion | — | Street/curb and gutter;Unpaved surface |
| Feb 4, 2011 | 50 gal | Root Intrusion | — | Street/curb and gutter |
| Jan 19, 2011 | 400 gal | Other / Unknown | — | Unpaved surface |
| Dec 11, 2010 | 550 gal | Other / Unknown | Yes | Building or structure;Surface water;Unpaved surface |
| Nov 10, 2010 | 93 gal | Grease / FOG | — | Separate storm drain |
| Oct 24, 2010 | 19K gal | Other / Unknown | Yes | Other paved surface;Surface water |
| Sep 3, 2010 | 90 gal | Other / Unknown | — | Other (specify below) |
| Sep 2, 2010 | 700 gal | Grease / FOG | — | Storm drain |
| Aug 18, 2010 | 150 gal | Other / Unknown | — | Unpaved surface |
| Aug 18, 2010 | 40 gal | Other / Unknown | — | Unpaved surface |
| Jul 5, 2010 | 10 gal | Other / Unknown | — | Street/curb and gutter |
| Jun 1, 2010 | 500 gal | Other / Unknown | — | Storm drain |
| Feb 16, 2010 | 10 gal | Other / Unknown | — | Other (specify below) |
| Feb 8, 2010 | 780 gal | Other / Unknown | Yes | Surface water |
| Feb 7, 2010 | 30 gal | Other / Unknown | Yes | Surface water |
| Feb 5, 2010 | 60 gal | Grease / FOG | — | Building or structure |
| Jan 20, 2010 | 150 gal | Other / Unknown | Yes | Surface water |
| Jan 11, 2010 | 2K gal | Other / Unknown | Yes | Surface water |
| Jan 5, 2010 | 2 gal | Other / Unknown | — | Street/curb and gutter |
| Dec 10, 2009 | 115 gal | Other / Unknown | — | Storm drain |
| Nov 27, 2009 | 600 gal | Root Intrusion | Yes | Other (specify below) |
| Nov 7, 2009 | 20 gal | Grease / FOG | — | Building or structure |
| May 9, 2009 | 1K gal | Root Intrusion | Yes | Other (specify below) |
| May 2, 2009 | 15 gal | Root Intrusion | — | Other (specify below) |
| Mar 27, 2009 | 400 gal | Other / Unknown | — | Storm drain |
| Mar 24, 2009 | 100 gal | Root Intrusion | — | Other paved surface |
| Mar 16, 2009 | 51K gal | Rainfall / Flooding | Yes | Storm drain;Surface water |
| Mar 16, 2009 | 26K gal | Rainfall / Flooding | Yes | Storm drain;Surface water |
| Mar 16, 2009 | 40K gal | Rainfall / Flooding | — | Other (specify below) |
| Mar 16, 2009 | 30K gal | Rainfall / Flooding | — | Other (specify below) |
| Feb 16, 2009 | 500 gal | Other / Unknown | Yes | Storm drain |
| Jan 9, 2009 | 2K gal | Root Intrusion | — | Unpaved surface |
| Jan 6, 2009 | 15 gal | Root Intrusion | — | Other paved surface |
| Jan 6, 2009 | 15 gal | Root Intrusion | — | Other paved surface |
| Jan 4, 2009 | 3K gal | Equipment Failure | — | Other (specify below) |
| Dec 30, 2008 | 200 gal | Root Intrusion | — | Storm drain |
| Dec 30, 2008 | 200 gal | Root Intrusion | — | Separate storm drain |
| Dec 20, 2008 | 10 gal | Root Intrusion | — | Other paved surface |
| Dec 7, 2008 | 500 gal | Root Intrusion | — | Unpaved surface |
| Nov 24, 2008 | 500 gal | Grease / FOG | — | Separate storm drain |
| Nov 8, 2008 | 350 gal | Grease / FOG | — | Storm drain |
| Oct 11, 2008 | 100 gal | Root Intrusion | — | Other (specify below) |
| Oct 10, 2008 | 120 gal | Root Intrusion | — | Storm drain |
| Oct 8, 2008 | 100 gal | Root Intrusion | — | Storm drain |
| Oct 1, 2008 | 3K gal | Other / Unknown | — | Other (specify below) |
| Sep 29, 2008 | 200 gal | Other / Unknown | — | Other (specify below) |
| Sep 24, 2008 | 3 gal | Other / Unknown | — | Other (specify below) |
| Sep 18, 2008 | 500 gal | Root Intrusion | — | Street/curb and gutter |
| Aug 14, 2008 | 30 gal | Root Intrusion | Yes | Other (specify below) |
| Aug 5, 2008 | 200 gal | Equipment Failure | Yes | Other (specify below) |
| Jun 29, 2008 | 50 gal | Root Intrusion | — | Building or structure |
| Jun 13, 2008 | 100 gal | Root Intrusion | — | Other (specify below) |
| Jun 3, 2008 | 75K gal | Root Intrusion | Yes | Surface water |
| May 9, 2008 | 20 gal | Other / Unknown | — | Street/curb and gutter |
| May 3, 2008 | 700 gal | Root Intrusion | Yes | Other (specify below) |
| Apr 15, 2008 | 125 gal | Root Intrusion | — | Storm drain;Street/curb and gutter |
| Apr 6, 2008 | 400 gal | Root Intrusion | — | Unpaved surface |
| Mar 31, 2008 | 10 gal | Root Intrusion | — | Other paved surface |
| Mar 5, 2008 | 23K gal | Capacity Issue | Yes | Storm drain;Surface water |
| Mar 3, 2008 | 10K gal | Capacity Issue | Yes | Surface water |
| Feb 25, 2008 | 900 gal | Other / Unknown | Yes | Surface water |
| Feb 2, 2008 | 23K gal | Capacity Issue | Yes | Storm drain;Street/curb and gutter;Surface water |
| Jan 4, 2008 | 250 gal | Root Intrusion | Yes | Street/curb and gutter;Other (specify below) |
| Oct 15, 2007 | 3K gal | Equipment Failure | Yes | Surface water |
| Oct 15, 2007 | 20K gal | Equipment Failure | Yes | Surface water |
| Oct 10, 2007 | 100 gal | Root Intrusion | — | Building or structure;Unpaved surface;Other (specify below) |
| Oct 10, 2007 | 540 gal | Root Intrusion | — | Street/curb and gutter |
| Sep 3, 2007 | 4 gal | Root Intrusion | — | Street/curb and gutter |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.