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California · California (CIWQS)

Pasadena City

C
Often reaches water
Reported events
51
Total volume
82K gal
Reached waterways
9 (18%)
Reporting since
2007

What caused the overflows

Equipment Failure
21
Root Intrusion
16
Other / Unknown
8
Grease / FOG
5
Capacity Issue
1

Reported overflow events (showing 51 of 51)

DateVolumeCauseReached waterReceiving water
Nov 25, 202425 galOther / Unknown——
Aug 21, 2024150 galOther / Unknown——
Nov 8, 202320K galEquipment Failure——
Nov 8, 202320K galEquipment Failure——
Jul 15, 2023400 galEquipment Failure——
Mar 13, 2023500 galGrease / FOG—Rio Hondo
Mar 13, 2023500 galEquipment FailureYesSeparate Storm Drain
Oct 27, 20222K galEquipment FailureYesSeparate Storm Drain;Street/Curb and Gutter
Oct 22, 20223K galEquipment FailureYesPaved Surface;Separate Storm Drain;Street/Curb and Gutter
Jul 14, 2022200 galRoot Intrusion—Paved Surface
Jun 7, 2022800 galEquipment FailureYesSeparate Storm Drain;Street/Curb and Gutter
May 15, 202299 galEquipment FailureYesCombined Storm Drain (Combined CS only)
May 12, 202299 galEquipment FailureYesSeparate Storm Drain
Jun 30, 20204K galEquipment FailureYesSeparate Storm Drain
Aug 20, 20179K galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Apr 21, 20171K galRoot Intrusion—Street/Curb and Gutter;Unpaved surface
Feb 6, 20171K galGrease / FOG—Street/Curb and Gutter;Unpaved surface
Jan 30, 2017700 galRoot Intrusion—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Nov 28, 2016100 galRoot Intrusion—Paved Surface;Street/Curb and Gutter
Sep 22, 2016300 galEquipment FailureYesPaved Surface;Street/Curb and Gutter
Sep 22, 2016300 galEquipment Failure—Paved Surface;Street/Curb and Gutter
Jul 31, 2016550 galOther / Unknown—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Apr 29, 20161K galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Mar 27, 2016100 galEquipment Failure—Paved Surface;Street/Curb and Gutter
Mar 20, 2016200 galEquipment Failure—Paved Surface;Street/Curb and Gutter;Unpaved surface
Mar 13, 201650 galEquipment Failure—Unpaved surface
Jan 30, 20166K galEquipment Failure—Paved Surface;Street/Curb and Gutter
Jan 11, 20162K galRoot Intrusion—Combined Storm Drain (Combined CS only);Street/Curb and Gutter
Dec 7, 201550 galRoot Intrusion—Paved Surface;Street/Curb and Gutter
Oct 15, 2015100 galGrease / FOG—Paved Surface;Street/Curb and Gutter
Mar 21, 201510 galRoot Intrusion—Other (specify below)
Feb 17, 2015800 galRoot Intrusion—Other (specify below)
Jun 5, 2014750 galEquipment Failure—Paved Surface
Apr 14, 2014100 galEquipment Failure—Paved Surface;Street/Curb and Gutter
Dec 17, 2013900 galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Unpaved surface
Jun 25, 2013225 galRoot Intrusion—Street/Curb and Gutter
Apr 19, 2013200 galOther / Unknown—Paved Surface;Street/Curb and Gutter;Other paved surface;Street/curb and gutter
Feb 21, 2013300 galRoot Intrusion—Paved Surface;Street/Curb and Gutter;Street/curb and gutter
Jan 14, 2013600 galRoot Intrusion—Street/curb and gutter
Nov 14, 201230 galRoot Intrusion—Building or Structure
Nov 6, 2012300 galOther / Unknown—Street/curb and gutter
Jul 18, 2012140 galGrease / FOG—Street/curb and gutter
Apr 17, 2012400 galRoot Intrusion—Street/curb and gutter
Jan 26, 201250 galRoot Intrusion—Other (specify below)
Sep 1, 2011300 galOther / Unknown—Street/curb and gutter
Jun 9, 20115 galRoot Intrusion—Street/curb and gutter
Apr 14, 2011300 galRoot Intrusion—Street/curb and gutter
Sep 24, 20101K galGrease / FOG—Other paved surface
Oct 1, 20081K galOther / Unknown—Building or structure
Nov 16, 20071K galCapacity Issue—Unpaved surface
Sep 6, 2007250 galOther / UnknownYesUnpaved surface

Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.