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California · California (CIWQS)
Groveland CSD
F
Usually reaches water
Reported events
32
Total volume
605K gal
Reached waterways
17 (53%)
Reporting since
2010
What caused the overflows
Other / Unknown
16
Root Intrusion
8
Equipment Failure
6
Grease / FOG
2
Reported overflow events (showing 32 of 32)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Mar 4, 2026 | 328 gal | Root Intrusion | — | — |
| Sep 30, 2025 | 7K gal | Other / Unknown | Yes | Pine Mountain Lake |
| Jul 5, 2023 | 95 gal | Root Intrusion | — | — |
| Dec 1, 2022 | 2K gal | Other / Unknown | Yes | Drainage Channel;Paved Surface;Unpaved surface |
| Oct 2, 2022 | 549 gal | Root Intrusion | Yes | Drainage Channel;Paved Surface;Unpaved surface |
| Sep 4, 2022 | 270 gal | Other / Unknown | Yes | Other (specify below);Unpaved surface |
| Dec 19, 2021 | 57K gal | Other / Unknown | Yes | Drainage Channel;Unpaved surface |
| Nov 24, 2021 | 2K gal | Other / Unknown | Yes | Other (specify below);Unpaved surface |
| Oct 19, 2021 | 4K gal | Other / Unknown | — | Unpaved surface |
| May 9, 2021 | 3K gal | Other / Unknown | — | Unpaved surface |
| Jul 10, 2020 | 11K gal | Other / Unknown | Yes | Drainage Channel;Unpaved surface |
| Jan 24, 2020 | 31K gal | Root Intrusion | Yes | Surface Water;Unpaved surface |
| Jan 10, 2020 | 78 gal | Root Intrusion | Yes | Drainage Channel;Paved Surface;Unpaved surface |
| Jan 16, 2019 | 48K gal | Equipment Failure | Yes | Drainage Channel;Unpaved surface |
| Mar 26, 2018 | 690 gal | Other / Unknown | Yes | Drainage Channel;Unpaved surface |
| Mar 22, 2018 | 3K gal | Other / Unknown | Yes | Drainage Channel;Unpaved surface |
| Mar 6, 2018 | 150 gal | Grease / FOG | — | Unpaved surface |
| Aug 17, 2017 | 8K gal | Equipment Failure | Yes | Drainage Channel |
| Jul 27, 2017 | 239 gal | Equipment Failure | Yes | Surface Water;Unpaved surface |
| Dec 28, 2016 | 625 gal | Equipment Failure | — | Unpaved surface |
| Jun 16, 2016 | 18 gal | Equipment Failure | — | Street/Curb and Gutter |
| Mar 18, 2015 | 12 gal | Grease / FOG | — | Unpaved surface |
| Feb 21, 2014 | 2 gal | Other / Unknown | — | Paved Surface |
| Apr 14, 2013 | 25 gal | Root Intrusion | — | Street/curb and gutter |
| Jan 5, 2013 | 330K gal | Other / Unknown | Yes | Surface water |
| Jan 18, 2012 | 100 gal | Other / Unknown | Yes | Surface water;Unpaved surface |
| Sep 12, 2011 | 200 gal | Equipment Failure | — | Other paved surface;Unpaved surface |
| Jun 27, 2011 | 100 gal | Other / Unknown | — | Other (specify below) |
| Mar 29, 2011 | 96K gal | Other / Unknown | Yes | Surface water;Unpaved surface |
| Jan 23, 2011 | 30 gal | Root Intrusion | — | Street/curb and gutter |
| Nov 13, 2010 | 50 gal | Root Intrusion | — | Unpaved surface |
| Aug 20, 2010 | 50 gal | Other / Unknown | — | Other (specify below) |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.