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California · California (CIWQS)
Santa Rosa City Utilities Dept
D
Frequently reaches water
Reported events
70
Total volume
124K gal
Reached waterways
25 (36%)
Reporting since
2007
What caused the overflows
Grease / FOG
19
Equipment Failure
19
Other / Unknown
19
Root Intrusion
11
Rainfall / Flooding
1
Capacity Issue
1
Reported overflow events (showing 70 of 70)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Apr 6, 2026 | 380 gal | Grease / FOG | — | — |
| Feb 2, 2025 | 825 gal | Grease / FOG | Yes | College Creek |
| Dec 13, 2024 | 4K gal | Equipment Failure | Yes | Oakmont Creek |
| Nov 23, 2024 | 770 gal | Equipment Failure | Yes | Santa Rosa Creek |
| Feb 26, 2024 | 270 gal | Equipment Failure | — | — |
| Jan 29, 2024 | 435 gal | Equipment Failure | — | — |
| Oct 25, 2023 | 124 gal | Equipment Failure | — | — |
| Oct 25, 2023 | 124 gal | Equipment Failure | — | — |
| Aug 19, 2023 | 24K gal | Root Intrusion | Yes | Austin Creek |
| Feb 8, 2023 | 32 gal | Grease / FOG | — | Paved Surface;Separate Storm Drain |
| Aug 7, 2022 | 4K gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| Jan 19, 2022 | 5K gal | Root Intrusion | Yes | Drainage Channel |
| Dec 17, 2021 | 875 gal | Grease / FOG | Yes | Surface Water |
| Oct 28, 2021 | 68 gal | Equipment Failure | — | Paved Surface |
| Jun 25, 2021 | 87 gal | Equipment Failure | — | Separate Storm Drain |
| Jun 3, 2021 | 190 gal | Other / Unknown | — | Building or Structure;Unpaved surface |
| Feb 14, 2020 | 13 gal | Other / Unknown | — | Street/Curb and Gutter |
| Jan 17, 2020 | 2K gal | Equipment Failure | Yes | Surface Water |
| Feb 26, 2019 | 11 gal | Other / Unknown | — | Paved Surface |
| Feb 26, 2019 | 8K gal | Capacity Issue | Yes | Surface Water |
| Aug 17, 2018 | 1K gal | Equipment Failure | Yes | Separate Storm Drain;Surface Water |
| Jan 22, 2018 | 1K gal | Other / Unknown | Yes | Surface Water |
| Dec 20, 2017 | 5 gal | Equipment Failure | — | Street/Curb and Gutter |
| Nov 23, 2017 | 825 gal | Equipment Failure | — | Unpaved surface |
| Nov 6, 2017 | 110 gal | Grease / FOG | — | Separate Storm Drain;Unpaved surface |
| Oct 23, 2017 | 300 gal | Other / Unknown | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Oct 9, 2017 | 250 gal | Other / Unknown | — | Unpaved surface |
| Oct 9, 2017 | 50 gal | Other / Unknown | — | Unpaved surface |
| Feb 23, 2017 | 18 gal | Equipment Failure | — | Unpaved surface |
| Feb 9, 2017 | 760 gal | Equipment Failure | — | Unpaved surface |
| Dec 15, 2016 | 9K gal | Rainfall / Flooding | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Surface Water;Unpaved surface |
| Oct 7, 2016 | 5 gal | Root Intrusion | — | Drainage Channel |
| Sep 19, 2016 | 193 gal | Grease / FOG | Yes | Surface Water |
| Jun 12, 2015 | 108 gal | Other / Unknown | — | Paved Surface;Separate Storm Drain |
| Feb 22, 2015 | 3K gal | Grease / FOG | Yes | Separate Storm Drain;Surface Water |
| Nov 3, 2014 | 250 gal | Other / Unknown | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Sep 28, 2014 | 374 gal | Root Intrusion | Yes | Other (specify below);Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| May 3, 2014 | 12 gal | Grease / FOG | — | Building or Structure;Separate Storm Drain;Street/Curb and Gutter |
| Apr 29, 2014 | 1K gal | Other / Unknown | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Feb 1, 2014 | 16K gal | Root Intrusion | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Surface Water |
| Nov 23, 2013 | 600 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Sep 17, 2013 | 900 gal | Equipment Failure | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Unpaved surface |
| Aug 10, 2013 | 2K gal | Other / Unknown | Yes | Separate storm drain;Street/curb and gutter;Surface water |
| Mar 4, 2013 | 405 gal | Other / Unknown | — | Separate storm drain;Street/curb and gutter |
| Dec 23, 2012 | 1K gal | Root Intrusion | Yes | Separate Storm Drain;Street/Curb and Gutter;Surface Water |
| Oct 31, 2012 | 14K gal | Grease / FOG | Yes | Separate storm drain;Street/curb and gutter;Surface water |
| Jul 1, 2012 | 1K gal | Equipment Failure | Yes | Other paved surface;Separate storm drain;Other (specify below) |
| Aug 11, 2011 | 1K gal | Equipment Failure | — | Separate storm drain;Street/curb and gutter |
| Dec 29, 2010 | 1K gal | Grease / FOG | Yes | Separate storm drain;Street/curb and gutter;Surface water;Unpaved surface |
| Nov 23, 2010 | 300 gal | Other / Unknown | — | Separate storm drain;Street/curb and gutter |
| Apr 29, 2010 | 3K gal | Other / Unknown | Yes | Storm drain;Street/curb and gutter;Surface water |
| Apr 16, 2010 | 9K gal | Other / Unknown | — | Unpaved surface |
| Feb 28, 2010 | 15 gal | Grease / FOG | — | Storm drain;Street/curb and gutter |
| Oct 23, 2009 | 160 gal | Other / Unknown | — | Storm drain;Street/curb and gutter |
| Aug 29, 2009 | 35 gal | Grease / FOG | — | Other paved surface |
| Aug 25, 2009 | 30 gal | Root Intrusion | — | Storm drain;Street/curb and gutter |
| Aug 13, 2009 | 75 gal | Root Intrusion | — | Other paved surface;Storm drain;Street/curb and gutter |
| Jun 23, 2009 | 5 gal | Other / Unknown | — | Storm drain |
| Jun 9, 2009 | 20 gal | Grease / FOG | — | Storm drain;Street/curb and gutter |
| Jan 11, 2009 | 120 gal | Grease / FOG | — | Storm drain;Street/curb and gutter |
| Oct 13, 2008 | 300 gal | Root Intrusion | — | Storm drain |
| Aug 6, 2008 | 20 gal | Grease / FOG | — | Street/curb and gutter |
| Feb 24, 2008 | 225 gal | Grease / FOG | — | Storm drain |
| Feb 5, 2008 | 45 gal | Grease / FOG | — | Street/curb and gutter |
| Jan 22, 2008 | 225 gal | Grease / FOG | — | Storm drain;Street/curb and gutter |
| Jan 4, 2008 | 1K gal | Root Intrusion | Yes | Surface water |
| Jan 4, 2008 | 500 gal | Other / Unknown | — | Unpaved surface;Other (specify below) |
| Jan 4, 2008 | 2K gal | Other / Unknown | Yes | Surface water |
| Jun 8, 2007 | 23 gal | Grease / FOG | — | Storm drain;Street/curb and gutter |
| May 29, 2007 | 10 gal | Equipment Failure | — | Storm drain |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.