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California · California (CIWQS)

Oroville City

C
Often reaches water
Reported events
67
Total volume
287K gal
Reached waterways
12 (18%)
Reporting since
2007

What caused the overflows

Equipment Failure
24
Root Intrusion
23
Grease / FOG
11
Other / Unknown
8
Rainfall / Flooding
1

Reported overflow events (showing 67 of 67)

DateVolumeCauseReached waterReceiving water
Mar 9, 2026701 galEquipment Failure——
Mar 4, 20254K galEquipment Failure——
Apr 29, 2024533 galEquipment Failure—NA
Mar 15, 202467 galRoot Intrusion——
Oct 2, 2022800 galEquipment Failure—Building or Structure;Unpaved surface
Mar 19, 2021990 galEquipment Failure—Separate Storm Drain
Jan 12, 2021510 galEquipment Failure—Unpaved surface
Feb 8, 2020200 galRoot Intrusion—Unpaved surface
Jun 26, 2019230 galEquipment Failure—Separate Storm Drain
May 21, 20196 galEquipment Failure—Paved Surface
Mar 3, 20197 galRoot Intrusion—Separate Storm Drain
Sep 9, 2018200 galEquipment Failure—Unpaved surface
Feb 27, 2018700 galEquipment FailureYesPaved Surface
Jan 23, 20189K galEquipment Failure—Unpaved surface
Dec 21, 201720 galRoot Intrusion—Unpaved surface
Apr 22, 201725 galEquipment Failure—Paved Surface
Jan 25, 2017100 galEquipment Failure—Unpaved surface
Dec 11, 201650 galRoot Intrusion—Unpaved surface
Oct 7, 20164 galEquipment Failure—Paved Surface;Street/Curb and Gutter
Sep 27, 20165 galEquipment Failure—Unpaved surface
Dec 14, 2015150K galRoot IntrusionYesDrainage Channel
Apr 5, 201510 galEquipment Failure—Street/Curb and Gutter
Mar 30, 201510 galRoot Intrusion—Unpaved surface
Jan 12, 2015100 galEquipment Failure—Unpaved surface
Dec 14, 201425 galEquipment Failure—Unpaved surface
Dec 11, 20148K galRainfall / FloodingYesStreet/Curb and Gutter
May 2, 201454K galOther / UnknownYesDrainage Channel
Feb 26, 2014200 galGrease / FOG—Street/Curb and Gutter
Feb 8, 20147K galRoot IntrusionYesDrainage Channel
Jan 27, 20143 galRoot Intrusion—Paved Surface
Jan 29, 201320 galRoot Intrusion—Building or structure;Unpaved surface
Jan 22, 20134K galRoot Intrusion—Unpaved surface
Dec 1, 201236K galOther / UnknownYesSurface water
Nov 2, 2012250 galGrease / FOG—Separate storm drain
Oct 6, 2012500 galEquipment Failure—Unpaved surface
Aug 22, 201275 galEquipment Failure—Unpaved surface
Mar 2, 2012200 galRoot Intrusion—Separate storm drain
Feb 16, 201250 galGrease / FOG—Unpaved surface
Feb 6, 201215 galRoot Intrusion—Separate storm drain
Feb 6, 201220 galRoot Intrusion—Unpaved surface
Jan 6, 2012750 galEquipment FailureYesSurface water;Unpaved surface
Dec 17, 2011400 galEquipment Failure—Unpaved surface
Aug 10, 201175 galOther / Unknown—Unpaved surface
Jul 9, 2011600 galEquipment FailureYesSurface water
Mar 6, 20113 galGrease / FOG—Other paved surface
Feb 17, 20112K galOther / UnknownYesSurface water
Jan 24, 20111 galRoot Intrusion—Other (specify below)
Jan 7, 201125 galGrease / FOG—Building or structure
Dec 31, 201040 galGrease / FOG—Other (specify below)
Oct 6, 201070 galRoot Intrusion—Storm drain
Aug 2, 2010200 galOther / Unknown—Storm drain
Feb 22, 2010500 galGrease / FOGYesOther (specify below)
Dec 29, 200910 galRoot Intrusion—Street/curb and gutter
Dec 29, 2009900 galOther / Unknown—Building or structure;Other paved surface;Unpaved surface
Dec 25, 200925 galGrease / FOG—Street/curb and gutter
Dec 25, 2009200 galOther / Unknown—Unpaved surface
Nov 8, 2009400 galRoot Intrusion—Unpaved surface
Oct 23, 200960 galGrease / FOG—Other paved surface
Feb 27, 2009900 galRoot IntrusionYesSurface water
Jan 8, 2009200 galOther / Unknown—Unpaved surface
Oct 28, 200810 galGrease / FOG—Storm drain
Jul 30, 200820 galGrease / FOG—Other paved surface
May 18, 2008200 galEquipment Failure—Unpaved surface
Apr 2, 20085 galRoot Intrusion—Building or structure
Mar 26, 2008200 galRoot Intrusion—Building or structure
Feb 4, 200850 galRoot Intrusion—Unpaved surface
Dec 24, 2007100 galRoot IntrusionYesSurface water

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