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California · California (CIWQS)

Foster City PWD

C
Often reaches water
Reported events
37
Total volume
112K gal
Reached waterways
9 (24%)
Reporting since
2007

What caused the overflows

Other / Unknown
14
Grease / FOG
13
Equipment Failure
10

Reported overflow events (showing 37 of 37)

DateVolumeCauseReached waterReceiving water
Feb 22, 202624K galGrease / FOGYesFoster City Lagoon and San Francisco Bay
Apr 29, 2025925 galGrease / FOG——
Mar 9, 202518K galEquipment FailureYesFoster City Lagoon
Dec 13, 20243K galOther / UnknownYes—
Dec 13, 20243K galEquipment FailureYesFoster City Lagoon and Bay
Jan 23, 2024250 galGrease / FOG——
Jul 5, 20233K galEquipment Failure——
Dec 31, 202225K galEquipment FailureYesSeparate Storm Drain
Dec 27, 20225K galEquipment Failure—Paved Surface
Jun 8, 2022500 galOther / Unknown—Street/Curb and Gutter
Nov 11, 2020150 galGrease / FOG—Paved Surface
Jun 22, 2020100 galOther / Unknown—Unpaved surface
Apr 28, 201910 galGrease / FOG—Paved Surface
Sep 13, 2018100 galOther / Unknown—Separate Storm Drain;Street/Curb and Gutter
Aug 25, 2018900 galGrease / FOG—Separate Storm Drain
Jul 2, 20188K galOther / UnknownYesDrainage Channel;Separate Storm Drain;Street/Curb and Gutter
Dec 29, 201750 galOther / Unknown—Separate Storm Drain
Feb 20, 20172K galOther / UnknownYesSeparate Storm Drain
Feb 14, 2017450 galOther / Unknown—Other (specify below);Separate Storm Drain
Jan 5, 2017200 galGrease / FOG—Separate Storm Drain
Aug 28, 2016600 galEquipment Failure—Separate Storm Drain
Dec 9, 20155K galEquipment FailureYesSeparate Storm Drain
Nov 25, 2015360 galGrease / FOG—Separate Storm Drain
Nov 21, 20153K galOther / Unknown—Separate Storm Drain
Mar 30, 201550 galGrease / FOG—Other (specify below)
Sep 20, 201390 galEquipment Failure—Street/Curb and Gutter
Jan 3, 2013300 galEquipment Failure—Separate storm drain
Dec 2, 20125K galOther / UnknownYesSeparate storm drain
May 1, 201210 galOther / Unknown—Other paved surface;Unpaved surface
Mar 5, 201250 galOther / Unknown—Street/curb and gutter
Jan 31, 201220 galGrease / FOG—Street/curb and gutter
Dec 8, 2009525 galOther / Unknown—Street/curb and gutter
Oct 12, 2009500 galEquipment Failure—Street/curb and gutter
Jul 12, 2009300 galGrease / FOG—Storm drain
May 22, 2009450 galGrease / FOG—Other (specify below)
Sep 7, 200730 galGrease / FOG—Other (specify below)
Jul 31, 20074K galOther / Unknown—Separate storm drain

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