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California · California (CIWQS)

Berkeley

C
Often reaches water
Reported events
341
Total volume
145K gal
Reached waterways
79 (23%)
Reporting since
2007

What caused the overflows

Root Intrusion
121
Equipment Failure
87
Other / Unknown
77
Grease / FOG
51
Rainfall / Flooding
4
Capacity Issue
1

Reported overflow events (showing 200 of 341)

DateVolumeCauseReached waterReceiving water
May 23, 202525 galEquipment Failure—N/A
Mar 25, 202550 galEquipment Failure—N/A
Sep 24, 202350 galGrease / FOG——
Sep 10, 202330 galEquipment FailureYesN/A
Aug 23, 202350 galEquipment Failure——
Jul 31, 202350 galEquipment Failure——
Jun 12, 202360 galRoot IntrusionYesStrawberry Creek
Jun 12, 202360 galRoot IntrusionYesStrawberry Creek
Mar 16, 20232 galOther / Unknown—Street/Curb and Gutter
Feb 23, 202310 galOther / Unknown—Street/Curb and Gutter
Feb 15, 202310 galOther / Unknown—Street/Curb and Gutter
Feb 15, 202310 galEquipment Failure—Street/Curb and Gutter
Feb 9, 202330 galRoot Intrusion—Street/Curb and Gutter
Jan 13, 202350 galOther / Unknown—Street/Curb and Gutter
Dec 31, 20227K galRainfall / FloodingYesSeparate Storm Drain
Sep 27, 2022140 galRoot IntrusionYesDrainage Channel
Aug 9, 2022100 galGrease / FOG—Building or Structure
May 2, 2022250 galGrease / FOG—Street/Curb and Gutter
Mar 6, 2022150 galGrease / FOG—Building or Structure
Jan 28, 202280 galEquipment Failure—Drainage Channel
Jan 26, 2022350 galEquipment Failure—Drainage Channel
Nov 29, 202130 galEquipment Failure—Unpaved surface
Oct 11, 2021800 galRoot Intrusion—Unpaved surface
Sep 17, 2021310 galGrease / FOGYesDrainage Channel;Street/Curb and Gutter;Unpaved surface
Aug 18, 202115 galRoot Intrusion—Other (specify below)
May 16, 2021150 galOther / Unknown—Unpaved surface
May 12, 202150 galRoot Intrusion—Unpaved surface
Apr 17, 20217 galEquipment Failure—Unpaved surface
Apr 14, 2021100 galOther / Unknown—Drainage Channel
Apr 14, 2021500 galGrease / FOG—Drainage Channel
Apr 8, 202115 galRoot Intrusion—Street/Curb and Gutter
Apr 6, 202110 galRoot Intrusion—Street/Curb and Gutter
Apr 4, 202150 galRoot Intrusion—Street/Curb and Gutter
Mar 23, 2021200 galEquipment Failure—Unpaved surface
Feb 22, 2021135 galEquipment Failure—Separate Storm Drain
Feb 17, 202115 galEquipment Failure—Unpaved surface
Feb 10, 20217 galEquipment Failure—Unpaved surface
Nov 25, 202020 galGrease / FOGYesStreet/Curb and Gutter
Oct 29, 202010 galGrease / FOG—Separate Storm Drain
Oct 21, 2020250 galGrease / FOG—Street/Curb and Gutter
Oct 19, 20205 galOther / Unknown—Street/Curb and Gutter
Oct 15, 20205 galEquipment Failure—Street/Curb and Gutter
Oct 14, 20203 galOther / Unknown—Street/Curb and Gutter
Oct 6, 20203 galOther / Unknown—Street/Curb and Gutter
Sep 30, 2020900 galEquipment FailureYesSeparate Storm Drain
Aug 14, 20205 galEquipment Failure—Unpaved surface
Aug 5, 2020120 galGrease / FOGYesStreet/Curb and Gutter
Aug 5, 202060 galRoot Intrusion—Street/Curb and Gutter
Jun 15, 202080 galRoot Intrusion—Other (specify below)
Apr 15, 20205 galOther / Unknown—Street/Curb and Gutter
Mar 30, 202015 galGrease / FOG—Street/Curb and Gutter
Mar 20, 202010 galEquipment Failure—Unpaved surface
Mar 15, 202080 galEquipment Failure—Street/Curb and Gutter
Mar 12, 202015 galGrease / FOG—Unpaved surface
Mar 11, 202030 galGrease / FOG—Street/Curb and Gutter
Mar 10, 202015 galEquipment Failure—Building or Structure
Mar 6, 202050 galOther / Unknown—Unpaved surface
Feb 29, 2020300 galEquipment Failure—Street/Curb and Gutter
Jan 29, 202010 galOther / Unknown—Street/Curb and Gutter
Dec 14, 201930 galEquipment Failure—Building or Structure
Nov 6, 20193 galOther / Unknown—Street/Curb and Gutter
Oct 22, 20193 galOther / Unknown—Other (specify below)
Oct 18, 2019300 galGrease / FOGYesPaved Surface;Separate Storm Drain;Street/Curb and Gutter
Oct 17, 2019100 galGrease / FOG—Building or Structure
Sep 7, 201920 galOther / Unknown—Unpaved surface
Aug 3, 201925 galEquipment Failure—Unpaved surface
Jul 17, 201910 galEquipment Failure—Street/Curb and Gutter
Apr 3, 2019960 galEquipment FailureYesSurface Water
Feb 13, 2019100 galRoot Intrusion—Street/Curb and Gutter
Feb 6, 201925 galEquipment FailureYesDrainage Channel
Dec 2, 2018450 galGrease / FOG—Paved Surface;Street/Curb and Gutter
Nov 29, 201860 galGrease / FOG—Building or Structure
Nov 16, 201820 galRoot Intrusion—Paved Surface
Nov 6, 201812 galRoot IntrusionYesSeparate Storm Drain
Oct 24, 201810 galEquipment Failure—Street/Curb and Gutter
Aug 6, 201820 galRoot Intrusion—Unpaved surface
Jun 19, 201810 galEquipment Failure—Unpaved surface
Apr 20, 2018200 galGrease / FOG—Combined Storm Drain (Combined CS only);Street/Curb and Gutter
Apr 10, 201825 galGrease / FOG—Street/Curb and Gutter
Feb 13, 201850 galRoot Intrusion—Building or Structure
Nov 5, 201720 galRoot Intrusion—Unpaved surface
Oct 26, 201715 galEquipment Failure—Combined Storm Drain (Combined CS only)
Aug 5, 20174 galEquipment Failure—Paved Surface
Jun 23, 201720 galRoot Intrusion—Paved Surface
May 5, 201750 galEquipment Failure—Paved Surface
Apr 7, 2017100 galGrease / FOG—Separate Storm Drain
Mar 22, 201760 galRoot Intrusion—Unpaved surface
Mar 8, 201730 galOther / Unknown—Street/Curb and Gutter
Feb 23, 2017350 galGrease / FOGYesOther (specify below);Street/Curb and Gutter
Feb 3, 2017450 galGrease / FOGYesPaved Surface;Separate Storm Drain;Street/Curb and Gutter
Jan 30, 20175 galRoot Intrusion—Unpaved surface
Jan 6, 2017300 galRoot Intrusion—Unpaved surface
Dec 12, 20165 galGrease / FOG—Street/Curb and Gutter
Nov 29, 20165 galRoot Intrusion—Street/Curb and Gutter
Oct 5, 201630 galRoot Intrusion—Unpaved surface
Oct 2, 201610 galEquipment Failure—Unpaved surface
Aug 25, 20165 galGrease / FOG—Street/Curb and Gutter
Aug 24, 201620 galEquipment Failure—Unpaved surface
Aug 24, 20165 galOther / Unknown—Street/Curb and Gutter
Aug 19, 20162 galEquipment Failure—Street/Curb and Gutter
Jul 26, 20165 galGrease / FOG—Building or Structure
Jul 20, 2016250 galOther / Unknown—Street/Curb and Gutter
May 27, 2016250 galRoot Intrusion—Unpaved surface
May 20, 2016150 galRoot Intrusion—Street/Curb and Gutter
Feb 24, 2016100 galGrease / FOG—Building or Structure
Feb 16, 201680 galGrease / FOG—Other (specify below)
Feb 4, 201610 galRoot Intrusion—Street/Curb and Gutter
Dec 22, 2015180 galRoot Intrusion—Unpaved surface
Dec 16, 2015200 galEquipment Failure—Street/Curb and Gutter
Dec 2, 2015150 galRoot Intrusion—Street/Curb and Gutter
Dec 1, 201510 galOther / Unknown—Street/Curb and Gutter
Nov 30, 201575 galRoot Intrusion—Unpaved surface
Nov 18, 201510 galEquipment Failure—Street/Curb and Gutter
Nov 12, 20155 galRoot Intrusion—Paved Surface
Nov 10, 201510 galRoot Intrusion—Street/Curb and Gutter
Aug 19, 2015150 galRoot Intrusion—Street/Curb and Gutter
May 20, 2015150 galGrease / FOG—Street/Curb and Gutter
Feb 19, 2015100 galRoot Intrusion—Street/Curb and Gutter
Feb 15, 201550 galEquipment Failure—Separate Storm Drain
Jan 22, 20157 galOther / Unknown—Street/Curb and Gutter
Dec 22, 2014100 galRoot Intrusion—Street/Curb and Gutter
Dec 15, 20142 galOther / Unknown—Building or Structure
Oct 20, 2014500 galEquipment Failure—Separate Storm Drain
Oct 11, 20145 galOther / Unknown—Street/Curb and Gutter
Sep 26, 201430 galGrease / FOG—Drainage Channel;Street/Curb and Gutter
Sep 24, 20145 galEquipment Failure—Drainage Channel
Sep 19, 20143 galRoot Intrusion—Paved Surface;Street/Curb and Gutter
Sep 17, 201410 galRoot IntrusionYesOther (specify below)
Aug 28, 201410 galRoot Intrusion—Other (specify below)
Aug 26, 201430 galGrease / FOG—Separate Storm Drain
Aug 26, 20141 galEquipment Failure—Street/Curb and Gutter
Aug 26, 20145 galRoot Intrusion—Street/Curb and Gutter
Aug 25, 201420 galEquipment Failure—Separate Storm Drain;Street/Curb and Gutter
Jun 29, 20142 galRoot Intrusion—Paved Surface
Jun 6, 201425 galEquipment FailureYesSurface Water
Jun 5, 20141 galGrease / FOG—Paved Surface
Jun 3, 201450 galRoot Intrusion—Building or Structure
May 30, 2014750 galEquipment FailureYesStreet/Curb and Gutter
May 15, 2014150 galOther / Unknown—Street/Curb and Gutter
May 13, 201420 galRoot IntrusionYesCombined Storm Drain (Combined CS only)
May 11, 20141 galEquipment FailureYesSurface Water
Apr 25, 20145 galGrease / FOG—Separate Storm Drain
Mar 1, 201420 galEquipment Failure—Unpaved surface
Jan 31, 2014750 galRoot IntrusionYesDrainage Channel;Separate Storm Drain
Dec 19, 2013200 galEquipment Failure—Drainage Channel;Paved Surface;Street/Curb and Gutter
Oct 11, 201330 galGrease / FOG—Drainage Channel;Separate Storm Drain;Street/Curb and Gutter
Sep 1, 20135 galEquipment Failure—Unpaved surface
Jul 9, 201360 galOther / Unknown—Street/curb and gutter
Apr 24, 20135 galOther / Unknown—Street/curb and gutter
Apr 2, 2013100 galRoot IntrusionYesStreet/curb and gutter
Apr 1, 20136 galEquipment Failure—Unpaved surface
Mar 22, 2013400 galEquipment FailureYesCombined storm drain (combined CS only)
Feb 22, 2013300 galOther / Unknown—Separate storm drain
Jan 31, 201350 galRoot Intrusion—Street/curb and gutter
Jan 18, 2013100 galEquipment Failure—Other paved surface
Jan 8, 201325 galEquipment Failure—Street/curb and gutter
Jan 3, 2013300 galEquipment Failure—Unpaved surface;Separate storm drain;Street/curb and gutter
Dec 14, 201250 galEquipment Failure—Street/curb and gutter
Oct 21, 2012300 galRoot Intrusion—Separate storm drain
Sep 18, 2012500 galEquipment Failure—Separate storm drain
Sep 14, 201230 galRoot Intrusion—Other (specify below)
Jul 21, 201210 galEquipment Failure—Separate storm drain
May 2, 2012500 galOther / Unknown—Other (specify below)
Mar 15, 201214K galOther / UnknownYesSurface water
Mar 14, 201211K galOther / Unknown—Separate storm drain
Jan 30, 2012100 galOther / Unknown—Other paved surface;Separate storm drain;Street/curb and gutter
Jan 12, 201250 galGrease / FOG—Building or structure
Jan 6, 201220 galEquipment Failure—Unpaved surface
Nov 18, 2011100 galEquipment Failure—Separate storm drain;Street/curb and gutter
Nov 16, 2011100 galRoot Intrusion—Separate storm drain
Oct 24, 201110 galOther / Unknown—Unpaved surface
Oct 21, 2011100 galRoot Intrusion—Separate storm drain
Jul 21, 201110 galEquipment Failure—Street/curb and gutter
Jul 21, 201130 galOther / Unknown—Unpaved surface
May 9, 20119K galEquipment FailureYesSeparate storm drain;Street/curb and gutter;Surface water
Apr 23, 20115 galOther / Unknown—Street/curb and gutter
Apr 17, 20114 galOther / Unknown—Street/curb and gutter
Apr 11, 201130 galOther / UnknownYesSeparate storm drain
Mar 24, 201150 galRoot IntrusionYesSeparate storm drain;Street/curb and gutter;Surface water
Mar 23, 201130 galEquipment FailureYesSeparate storm drain;Street/curb and gutter
Mar 5, 201115 galOther / Unknown—Street/curb and gutter
Feb 27, 20111 galEquipment Failure—Street/curb and gutter
Feb 26, 20116 galEquipment Failure—Street/curb and gutter;Other (specify below)
Feb 15, 201150 galOther / Unknown—Street/curb and gutter
Jan 21, 201150 galGrease / FOG—Street/curb and gutter
Jan 20, 201160 galGrease / FOGYesSeparate storm drain
Jan 19, 20111K galOther / Unknown—Unpaved surface
Jan 6, 20113 galOther / Unknown—Unpaved surface;Other (specify below)
Jan 4, 201120 galGrease / FOG—Street/curb and gutter
Dec 20, 201050 galRoot Intrusion—Street/curb and gutter
Dec 1, 201050 galOther / Unknown—Street/curb and gutter
Nov 17, 201020 galGrease / FOG—Separate storm drain;Street/curb and gutter
Nov 16, 201040 galOther / Unknown—Other paved surface;Street/curb and gutter
Aug 11, 201010 galOther / Unknown—Other paved surface
Aug 5, 2010100 galOther / Unknown—Other paved surface;Separate storm drain
Jul 20, 201015 galOther / Unknown—Other (specify below)
Jul 9, 201050 galRoot Intrusion—Street/curb and gutter
Jun 18, 20105 galOther / UnknownYesStreet/curb and gutter
Jun 15, 20101K galEquipment FailureYesSurface water
Jun 14, 201050 galOther / Unknown—Storm drain

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