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California · California (CIWQS)

Santa Clara City

B
Seldom reaches water
Reported events
55
Total volume
45K gal
Reached waterways
7 (13%)
Reporting since
2007

What caused the overflows

Grease / FOG
25
Other / Unknown
13
Equipment Failure
11
Root Intrusion
6

Reported overflow events (showing 55 of 55)

DateVolumeCauseReached waterReceiving water
Feb 8, 2026225 galGrease / FOG——
Jan 5, 2026310 galGrease / FOG——
Dec 4, 202570 galRoot Intrusion——
Jul 25, 20245K galOther / Unknown——
Feb 26, 2024155 galGrease / FOG——
Oct 30, 20232K galGrease / FOG——
Jan 3, 2023675 galGrease / FOG—Separate Storm Drain;Street/Curb and Gutter
Oct 19, 2022550 galEquipment FailureYesDrainage Channel
Feb 7, 2020610 galOther / UnknownYesDrainage Channel;Paved Surface
Oct 12, 2019600 galEquipment Failure—Street/Curb and Gutter
May 21, 2018400 galEquipment Failure—Other (specify below)
Jul 19, 201795 galEquipment Failure—Separate Storm Drain;Street/Curb and Gutter
Jun 14, 2017150 galGrease / FOG—Paved Surface;Street/Curb and Gutter
May 7, 201755 galEquipment Failure—Paved Surface;Street/Curb and Gutter
Oct 3, 2016350 galGrease / FOG—Separate Storm Drain
Jul 21, 2016775 galGrease / FOG—Paved Surface;Separate Storm Drain;Unpaved surface
Jan 5, 2015820 galOther / Unknown—Other (specify below)
Sep 12, 201490 galGrease / FOG—Street/Curb and Gutter
Aug 12, 2014425 galGrease / FOG—Separate Storm Drain
Jun 26, 2014380 galEquipment Failure—Unpaved surface
Apr 28, 2014930 galEquipment Failure—Separate Storm Drain
Feb 22, 2014456 galRoot Intrusion—Street/Curb and Gutter
Jan 25, 2014286 galRoot Intrusion—Separate Storm Drain
Oct 23, 2013825 galGrease / FOG—Street/Curb and Gutter
Sep 12, 2013600 galGrease / FOGYesOther (specify below)
Aug 25, 201390 galOther / Unknown—Street/curb and gutter
Jul 3, 201340 galGrease / FOG—Other paved surface;Street/curb and gutter
Jun 5, 2013100 galOther / Unknown—Street/curb and gutter
Apr 4, 201312 galRoot Intrusion—Street/curb and gutter
Feb 14, 201316K galEquipment FailureYesSeparate storm drain;Street/curb and gutter
Nov 17, 20125K galGrease / FOGYesSeparate storm drain;Other (specify below)
Oct 14, 201220 galGrease / FOG—Street/curb and gutter
Sep 19, 201220 galGrease / FOG—Street/curb and gutter
Jun 10, 2012150 galGrease / FOG—Other paved surface;Separate storm drain;Street/curb and gutter
May 23, 2012960 galOther / Unknown—Unpaved surface;Other (specify below)
Sep 15, 2011250 galGrease / FOG—Separate storm drain;Street/curb and gutter
Aug 2, 2011250 galOther / Unknown—Separate storm drain;Street/curb and gutter
Jan 29, 201150 galOther / Unknown—Other paved surface;Street/curb and gutter
Oct 18, 201020 galGrease / FOG—Street/curb and gutter
Aug 30, 201030 galGrease / FOG—Street/curb and gutter
Aug 19, 201020 galGrease / FOG—Street/curb and gutter
Feb 23, 201045 galOther / Unknown—Storm drain;Street/curb and gutter
Jun 24, 200920 galOther / Unknown—Storm drain
Apr 28, 2009900 galEquipment FailureYesOther (specify below)
Mar 20, 2009930 galEquipment FailureYesOther (specify below)
Jan 30, 200912 galGrease / FOG—Street/curb and gutter
Jan 14, 200925 galGrease / FOG—Street/curb and gutter
Jan 5, 20095 galOther / Unknown—Street/curb and gutter
Jan 5, 200925 galGrease / FOG—Storm drain
Aug 2, 200850 galEquipment Failure—Street/curb and gutter
Jul 6, 20081 galGrease / FOG—Unpaved surface
Mar 19, 200860 galRoot Intrusion—Street/curb and gutter
Nov 25, 20073 galOther / Unknown—Building or structure
Jul 31, 2007850 galRoot Intrusion—Other paved surface
Jun 14, 20073K galOther / Unknown—Unpaved surface

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