All rankings
California · California (CIWQS)
Lancaster City
A
Rarely reaches water
Reported events
53
Total volume
135K gal
Reached waterways
1 (2%)
Reporting since
2008
What caused the overflows
Grease / FOG
35
Equipment Failure
9
Root Intrusion
5
Other / Unknown
4
Reported overflow events (showing 53 of 53)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Apr 3, 2025 | 249 gal | Grease / FOG | — | — |
| Nov 9, 2024 | 53 gal | Grease / FOG | — | — |
| Apr 15, 2024 | 461 gal | Grease / FOG | — | — |
| Jun 19, 2022 | 12 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jun 19, 2022 | 577 gal | Grease / FOG | — | Street/Curb and Gutter |
| Oct 6, 2021 | 2K gal | Grease / FOG | — | Street/Curb and Gutter |
| May 22, 2019 | 2K gal | Equipment Failure | — | Street/Curb and Gutter;Unpaved surface |
| Nov 8, 2018 | 45K gal | Equipment Failure | — | Unpaved surface |
| Mar 6, 2017 | 1K gal | Other / Unknown | — | Street/Curb and Gutter;Unpaved surface |
| Nov 29, 2016 | 548 gal | Grease / FOG | — | Street/Curb and Gutter |
| Aug 18, 2016 | 452 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Mar 20, 2016 | 30K gal | Grease / FOG | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Mar 13, 2016 | 10 gal | Root Intrusion | — | Street/Curb and Gutter |
| Feb 6, 2016 | 750 gal | Grease / FOG | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Jan 12, 2016 | 1K gal | Grease / FOG | — | Separate Storm Drain |
| Mar 27, 2015 | 500 gal | Other / Unknown | — | Unpaved surface |
| Jan 9, 2015 | 6K gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Dec 30, 2014 | 180 gal | Equipment Failure | — | Street/Curb and Gutter |
| Aug 20, 2014 | 134 gal | Other / Unknown | — | Paved Surface;Street/Curb and Gutter |
| May 11, 2014 | 770 gal | Grease / FOG | — | Separate Storm Drain |
| Mar 10, 2014 | 226 gal | Root Intrusion | — | Street/Curb and Gutter |
| Jan 19, 2014 | 4K gal | Grease / FOG | — | Separate Storm Drain |
| Oct 29, 2013 | 2K gal | Grease / FOG | — | Paved Surface;Street/Curb and Gutter;Unpaved surface |
| Oct 13, 2013 | 827 gal | Grease / FOG | — | Paved Surface |
| Mar 1, 2013 | 20K gal | Grease / FOG | Yes | Other (specify below) |
| Dec 4, 2012 | 250 gal | Grease / FOG | — | Separate storm drain;Street/curb and gutter |
| Aug 23, 2012 | 327 gal | Grease / FOG | — | Street/curb and gutter |
| Jan 27, 2012 | 100 gal | Root Intrusion | — | Street/curb and gutter |
| Oct 7, 2011 | 2K gal | Grease / FOG | — | Separate storm drain |
| Aug 8, 2011 | 948 gal | Grease / FOG | — | Separate storm drain |
| Aug 5, 2011 | 1K gal | Grease / FOG | — | Separate storm drain;Street/curb and gutter |
| Jun 15, 2011 | 1K gal | Root Intrusion | — | Separate storm drain;Street/curb and gutter |
| May 23, 2011 | 75 gal | Root Intrusion | — | Other paved surface;Street/curb and gutter |
| Apr 11, 2011 | 122 gal | Grease / FOG | — | Street/curb and gutter |
| Mar 6, 2011 | 315 gal | Grease / FOG | — | Separate storm drain;Street/curb and gutter |
| Feb 28, 2011 | 430 gal | Grease / FOG | — | Street/curb and gutter |
| Jan 5, 2011 | 1K gal | Grease / FOG | — | Separate storm drain;Street/curb and gutter |
| Jan 5, 2011 | 929 gal | Grease / FOG | — | Street/curb and gutter |
| Jul 2, 2010 | 100 gal | Grease / FOG | — | Street/curb and gutter |
| Dec 28, 2009 | 3K gal | Grease / FOG | — | Other (specify below) |
| Dec 14, 2009 | 800 gal | Grease / FOG | — | Street/curb and gutter;Unpaved surface |
| Nov 25, 2009 | 325 gal | Grease / FOG | — | Other (specify below) |
| Nov 9, 2009 | 525 gal | Grease / FOG | — | Street/curb and gutter |
| Jan 14, 2009 | 150 gal | Grease / FOG | — | Street/curb and gutter |
| Jan 13, 2009 | 600 gal | Grease / FOG | — | Street/curb and gutter;Other (specify below) |
| Dec 29, 2008 | 900 gal | Grease / FOG | — | Street/curb and gutter |
| Oct 17, 2008 | 700 gal | Equipment Failure | — | Other paved surface |
| Sep 4, 2008 | 750 gal | Grease / FOG | — | Other (specify below) |
| Apr 18, 2008 | 2 gal | Other / Unknown | — | Other (specify below) |
| Apr 15, 2008 | 100 gal | Grease / FOG | — | Other (specify below) |
| Feb 27, 2008 | 100 gal | Grease / FOG | — | Unpaved surface |
| Feb 20, 2008 | 1K gal | Equipment Failure | — | Other (specify below) |
| Jan 25, 2008 | 300 gal | Equipment Failure | — | Separate storm drain |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.