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California · California (CIWQS)
Eastern Municipal Water District
C
Often reaches water
Reported events
101
Total volume
29.5M gal
Reached waterways
20 (20%)
Reporting since
2007
What caused the overflows
Other / Unknown
42
Equipment Failure
31
Grease / FOG
17
Root Intrusion
10
Capacity Issue
1
Reported overflow events (showing 101 of 101)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| May 12, 2026 | 100 gal | Equipment Failure | — | — |
| Sep 16, 2025 | 4K gal | Other / Unknown | — | — |
| Aug 19, 2025 | 2K gal | Equipment Failure | — | — |
| Jun 18, 2025 | 299 gal | Equipment Failure | — | — |
| May 9, 2025 | 80 gal | Other / Unknown | — | — |
| Mar 19, 2025 | 90 gal | Grease / FOG | — | — |
| Jan 22, 2025 | 900 gal | Other / Unknown | — | — |
| Dec 20, 2024 | 7.0M gal | Other / Unknown | Yes | Sycamore Creek |
| Dec 20, 2024 | 6.9M gal | Other / Unknown | Yes | Sycamore Creek |
| Dec 20, 2024 | 7.0M gal | Other / Unknown | Yes | Sycamore Creek |
| Dec 20, 2024 | 7.0M gal | Other / Unknown | Yes | Sycamore Creek |
| Jun 21, 2024 | 945 gal | Grease / FOG | — | — |
| Apr 27, 2024 | 1K gal | Grease / FOG | — | — |
| Apr 21, 2024 | 13K gal | Equipment Failure | — | — |
| Nov 9, 2023 | 79 gal | Equipment Failure | — | — |
| Sep 29, 2023 | 388 gal | Root Intrusion | — | — |
| Aug 30, 2023 | 30 gal | Equipment Failure | — | None |
| Mar 24, 2023 | 40 gal | Grease / FOG | — | Unpaved surface |
| Jan 23, 2023 | 10K gal | Equipment Failure | — | Unpaved surface |
| Jan 21, 2023 | 10K gal | Equipment Failure | — | Unpaved surface |
| Jan 11, 2023 | 750 gal | Equipment Failure | — | Unpaved surface |
| Oct 23, 2022 | 4K gal | Equipment Failure | — | Separate Storm Drain |
| Sep 27, 2022 | 150 gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| Aug 11, 2022 | 1K gal | Other / Unknown | — | Unpaved surface |
| May 5, 2022 | 100 gal | Equipment Failure | — | Unpaved surface |
| Apr 12, 2022 | 1K gal | Other / Unknown | Yes | Separate Storm Drain;Street/Curb and Gutter |
| Nov 8, 2021 | 600 gal | Equipment Failure | — | Paved Surface |
| Jun 7, 2021 | 250 gal | Equipment Failure | — | Paved Surface |
| Dec 3, 2020 | 2K gal | Grease / FOG | — | Unpaved surface |
| Nov 9, 2020 | 82 gal | Equipment Failure | Yes | Drainage Channel |
| Oct 23, 2020 | 7K gal | Equipment Failure | Yes | Drainage Channel;Street/Curb and Gutter |
| Oct 17, 2020 | 2K gal | Equipment Failure | — | Separate Storm Drain |
| May 5, 2020 | 300 gal | Other / Unknown | Yes | Separate Storm Drain |
| Apr 4, 2020 | 45 gal | Equipment Failure | — | Paved Surface |
| Mar 22, 2020 | 100 gal | Root Intrusion | — | Street/Curb and Gutter |
| Mar 12, 2020 | 600 gal | Equipment Failure | — | Unpaved surface |
| Feb 20, 2020 | 35 gal | Equipment Failure | — | Paved Surface |
| Feb 16, 2020 | 500 gal | Other / Unknown | Yes | Drainage Channel |
| Jan 21, 2020 | 5K gal | Other / Unknown | — | Paved Surface;Unpaved surface |
| Dec 19, 2019 | 476 gal | Root Intrusion | — | Unpaved surface |
| Dec 6, 2019 | 4K gal | Equipment Failure | — | Separate Storm Drain |
| Oct 8, 2019 | 700 gal | Equipment Failure | — | Unpaved surface |
| Sep 11, 2019 | 7K gal | Capacity Issue | — | Street/Curb and Gutter |
| May 28, 2019 | 125 gal | Equipment Failure | — | Unpaved surface |
| May 15, 2019 | 499 gal | Other / Unknown | Yes | Separate Storm Drain |
| Apr 24, 2019 | 20 gal | Root Intrusion | — | Unpaved surface |
| Apr 22, 2019 | 15 gal | Other / Unknown | — | Street/Curb and Gutter |
| Mar 2, 2019 | 43K gal | Other / Unknown | Yes | Unpaved surface |
| Jan 21, 2019 | 100 gal | Grease / FOG | — | Street/Curb and Gutter |
| Jul 31, 2018 | 400 gal | Other / Unknown | — | Unpaved surface |
| Jan 1, 2018 | 2K gal | Equipment Failure | — | Separate Storm Drain |
| Sep 28, 2017 | 900 gal | Equipment Failure | — | Other (specify below) |
| Jun 8, 2017 | 1K gal | Grease / FOG | — | Unpaved surface |
| Mar 11, 2017 | 5K gal | Grease / FOG | — | Unpaved surface |
| Jan 13, 2017 | 465 gal | Other / Unknown | — | Unpaved surface |
| Nov 29, 2016 | 400 gal | Other / Unknown | — | Other (specify below) |
| Oct 28, 2016 | 100 gal | Other / Unknown | — | Other (specify below) |
| Oct 22, 2016 | 15 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jul 16, 2016 | 2K gal | Equipment Failure | — | Separate Storm Drain |
| Jan 4, 2016 | 200 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Aug 10, 2015 | 13K gal | Other / Unknown | — | Paved Surface;Unpaved surface |
| May 26, 2015 | 2K gal | Equipment Failure | — | Paved Surface;Separate Storm Drain;Unpaved surface |
| Nov 16, 2014 | 9K gal | Grease / FOG | — | Separate Storm Drain |
| Nov 13, 2014 | 3K gal | Other / Unknown | Yes | Surface Water |
| Sep 29, 2014 | 726 gal | Equipment Failure | — | Unpaved surface |
| Sep 21, 2014 | 750 gal | Other / Unknown | Yes | Drainage Channel;Other (specify below) |
| Jun 23, 2014 | 185 gal | Grease / FOG | — | Paved Surface;Street/Curb and Gutter;Unpaved surface |
| Jun 9, 2014 | 75 gal | Other / Unknown | — | Paved Surface |
| May 7, 2014 | 2K gal | Other / Unknown | Yes | Paved Surface;Street/Curb and Gutter |
| Apr 16, 2014 | 2K gal | Root Intrusion | — | Building or Structure;Unpaved surface |
| Mar 28, 2014 | 375 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jan 17, 2014 | 25 gal | Other / Unknown | — | Paved Surface |
| Jul 29, 2013 | 157K gal | Other / Unknown | Yes | Other (specify below) |
| Mar 26, 2013 | 100 gal | Other / Unknown | — | Unpaved surface |
| Jan 14, 2013 | 72K gal | Equipment Failure | — | Unpaved surface |
| Jan 7, 2013 | 3K gal | Root Intrusion | Yes | Separate storm drain;Street/curb and gutter;Other (specify below) |
| Dec 8, 2012 | 5 gal | Root Intrusion | — | Street/curb and gutter |
| Jul 24, 2012 | 150 gal | Other / Unknown | — | Unpaved surface;Other (specify below) |
| Feb 27, 2012 | 2K gal | Other / Unknown | — | Other paved surface;Unpaved surface |
| Jan 3, 2012 | 20 gal | Other / Unknown | — | Building or structure;Unpaved surface |
| Dec 11, 2011 | 14K gal | Other / Unknown | Yes | Separate storm drain;Street/curb and gutter;Unpaved surface;Other (specify below) |
| Oct 6, 2011 | 2K gal | Other / Unknown | Yes | Other paved surface;Separate storm drain |
| Aug 29, 2011 | 54 gal | Other / Unknown | — | Street/curb and gutter |
| Aug 17, 2011 | 7K gal | Other / Unknown | Yes | Separate storm drain;Street/curb and gutter;Other (specify below) |
| Apr 20, 2011 | 1.0M gal | Other / Unknown | — | Unpaved surface;Other (specify below) |
| Dec 7, 2010 | 50 gal | Other / Unknown | — | Unpaved surface |
| Nov 25, 2010 | 700 gal | Other / Unknown | — | Unpaved surface |
| Jul 29, 2010 | 200 gal | Grease / FOG | — | Unpaved surface |
| Mar 13, 2010 | 100 gal | Grease / FOG | — | Unpaved surface |
| Jan 26, 2010 | 10 gal | Other / Unknown | — | Unpaved surface |
| Jan 5, 2010 | 10 gal | Other / Unknown | — | Other paved surface;Street/curb and gutter |
| Jul 24, 2009 | 7K gal | Other / Unknown | — | Separate storm drain;Street/curb and gutter |
| May 18, 2009 | 366 gal | Grease / FOG | — | Unpaved surface |
| May 17, 2009 | 270 gal | Grease / FOG | — | Separate storm drain;Street/curb and gutter |
| Apr 10, 2009 | 4K gal | Other / Unknown | — | Other (specify below) |
| Aug 16, 2008 | 450 gal | Equipment Failure | — | Separate storm drain |
| Feb 26, 2008 | 9K gal | Grease / FOG | — | Other (specify below) |
| Oct 9, 2007 | 300 gal | Root Intrusion | — | Separate storm drain;Street/curb and gutter |
| Feb 18, 2007 | 420 gal | Other / Unknown | — | Separate storm drain;Street/curb and gutter |
| Jan 23, 2007 | 15 gal | Grease / FOG | — | Separate storm drain;Street/curb and gutter |
| Jan 6, 2007 | 69 gal | Grease / FOG | Yes | Other paved surface;Separate storm drain;Street/curb and gutter;Other (specify below) |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.