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California · California (CIWQS)
Carson City
F
Usually reaches water
Reported events
35
Total volume
13K gal
Reached waterways
24 (69%)
Reporting since
2007
What caused the overflows
Grease / FOG
18
Other / Unknown
11
Root Intrusion
5
Equipment Failure
1
Reported overflow events (showing 35 of 35)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Jun 19, 2026 | 300 gal | Grease / FOG | Yes | Dominguez Channel |
| Apr 2, 2025 | 4K gal | Grease / FOG | Yes | Dominguez Channel |
| Nov 27, 2024 | 75 gal | Grease / FOG | — | — |
| May 31, 2023 | 600 gal | Equipment Failure | Yes | Wilmington channel |
| Mar 10, 2022 | 500 gal | Other / Unknown | — | Other (specify below);Unpaved surface |
| Jul 26, 2021 | 25 gal | Grease / FOG | Yes | Other (specify below) |
| Feb 2, 2020 | 1K gal | Other / Unknown | Yes | Building or Structure;Other (specify below);Separate Storm Drain |
| Nov 19, 2019 | 300 gal | Grease / FOG | Yes | Drainage Channel;Other (specify below);Separate Storm Drain |
| May 21, 2019 | 250 gal | Other / Unknown | — | Building or Structure;Other (specify below);Unpaved surface |
| Nov 8, 2014 | 200 gal | Root Intrusion | Yes | Other (specify below);Separate Storm Drain |
| May 15, 2014 | 20 gal | Other / Unknown | — | Street/Curb and Gutter |
| Dec 15, 2013 | 900 gal | Grease / FOG | Yes | Other (specify below);Separate Storm Drain |
| Dec 8, 2013 | 200 gal | Other / Unknown | Yes | Drainage Channel;Other (specify below) |
| Oct 29, 2013 | 500 gal | Grease / FOG | Yes | Drainage Channel;Other (specify below) |
| May 28, 2013 | 500 gal | Other / Unknown | Yes | Separate storm drain;Other (specify below) |
| Nov 16, 2012 | 200 gal | Grease / FOG | Yes | Combined storm drain (combined CS only) |
| Sep 3, 2012 | 100 gal | Root Intrusion | Yes | Other (specify below) |
| Aug 28, 2012 | 300 gal | Other / Unknown | Yes | Separate storm drain;Other (specify below) |
| Apr 10, 2011 | 600 gal | Grease / FOG | Yes | Separate storm drain |
| Dec 13, 2009 | 5 gal | Grease / FOG | — | Other paved surface |
| Apr 9, 2009 | 2 gal | Grease / FOG | Yes | Storm drain;Other (specify below) |
| Feb 25, 2009 | 50 gal | Grease / FOG | Yes | Storm drain;Other (specify below) |
| Jan 31, 2009 | 500 gal | Other / Unknown | Yes | Storm drain;Other (specify below) |
| Jul 1, 2008 | 600 gal | Other / Unknown | Yes | Other (specify below) |
| Jun 25, 2008 | 90 gal | Other / Unknown | — | Other (specify below) |
| Feb 24, 2008 | 30 gal | Other / Unknown | — | Other (specify below) |
| Jan 20, 2008 | 25 gal | Grease / FOG | Yes | Storm drain |
| Nov 14, 2007 | 50 gal | Grease / FOG | Yes | Storm drain |
| Nov 9, 2007 | 100 gal | Grease / FOG | Yes | Storm drain |
| May 23, 2007 | 50 gal | Root Intrusion | — | Other (specify below) |
| Apr 24, 2007 | 100 gal | Root Intrusion | — | Other (specify below) |
| Apr 21, 2007 | 300 gal | Root Intrusion | Yes | Storm drain |
| Mar 21, 2007 | 50 gal | Grease / FOG | Yes | Separate storm drain |
| Feb 16, 2007 | 50 gal | Grease / FOG | — | Other (specify below) |
| Jan 6, 2007 | 50 gal | Grease / FOG | — | Street/curb and gutter |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.