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California · California (CIWQS)
Twain Harte CSD
C
Often reaches water
Reported events
40
Total volume
19K gal
Reached waterways
7 (18%)
Reporting since
2007
What caused the overflows
Root Intrusion
29
Other / Unknown
5
Equipment Failure
4
Grease / FOG
2
Reported overflow events (showing 40 of 40)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| May 3, 2025 | 850 gal | Root Intrusion | — | — |
| Apr 29, 2025 | 390 gal | Root Intrusion | — | — |
| Jun 5, 2024 | 300 gal | Root Intrusion | — | — |
| Mar 26, 2024 | 155 gal | Root Intrusion | — | — |
| Apr 29, 2023 | 15 gal | Root Intrusion | — | Unpaved surface |
| Apr 20, 2023 | 1K gal | Root Intrusion | Yes | Drainage Channel;Unpaved surface |
| Mar 27, 2023 | 144 gal | Root Intrusion | — | Unpaved surface |
| Jun 11, 2022 | 15 gal | Root Intrusion | — | Unpaved surface |
| Jun 10, 2022 | 25 gal | Root Intrusion | — | Paved Surface |
| Jun 8, 2022 | 100 gal | Root Intrusion | — | Unpaved surface |
| May 20, 2022 | 150 gal | Root Intrusion | — | Unpaved surface |
| May 17, 2022 | 15 gal | Root Intrusion | — | Paved Surface |
| May 17, 2022 | 50 gal | Root Intrusion | — | Unpaved surface |
| Apr 3, 2022 | 450 gal | Root Intrusion | — | Unpaved surface |
| Feb 3, 2022 | 100 gal | Root Intrusion | — | Unpaved surface |
| Jun 23, 2021 | 2K gal | Root Intrusion | Yes | Surface Water |
| May 30, 2021 | 2 gal | Root Intrusion | — | Unpaved surface |
| May 16, 2021 | 250 gal | Root Intrusion | — | Unpaved surface |
| May 8, 2021 | 300 gal | Root Intrusion | — | Unpaved surface |
| Apr 10, 2021 | 25 gal | Root Intrusion | — | Unpaved surface |
| Mar 8, 2021 | 250 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Jan 1, 2021 | 75 gal | Equipment Failure | — | Unpaved surface |
| Mar 2, 2020 | 10 gal | Other / Unknown | — | Paved Surface |
| Jan 30, 2020 | 150 gal | Equipment Failure | Yes | Combined Storm Drain (Combined CS only);Paved Surface |
| Dec 31, 2018 | 2K gal | Equipment Failure | Yes | Separate Storm Drain;Unpaved surface |
| Nov 13, 2015 | 100 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter |
| Mar 20, 2014 | 8 gal | Grease / FOG | — | Street/Curb and Gutter |
| Mar 10, 2014 | 452 gal | Root Intrusion | Yes | Drainage Channel;Surface Water |
| Jun 29, 2013 | 75 gal | Root Intrusion | — | Unpaved surface |
| Jun 8, 2013 | 100 gal | Equipment Failure | — | Other (specify below) |
| Mar 28, 2013 | 150 gal | Other / Unknown | — | Other (specify below) |
| Feb 3, 2013 | 50 gal | Root Intrusion | — | Unpaved surface |
| Dec 23, 2012 | 50 gal | Other / Unknown | — | Unpaved surface |
| Aug 11, 2012 | 176 gal | Root Intrusion | — | Unpaved surface |
| Jun 25, 2012 | 3K gal | Grease / FOG | Yes | Separate storm drain;Surface water;Unpaved surface |
| May 26, 2012 | 150 gal | Root Intrusion | — | Other paved surface;Unpaved surface |
| Apr 10, 2012 | 360 gal | Other / Unknown | — | Unpaved surface |
| Dec 30, 2011 | 100 gal | Root Intrusion | — | Unpaved surface |
| Feb 10, 2009 | 6K gal | Other / Unknown | Yes | Other (specify below) |
| Oct 8, 2007 | 203 gal | Root Intrusion | — | Unpaved surface |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.