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California · California (CIWQS)

Folsom City - Environmental & Water Resources Dept

B
Seldom reaches water
Reported events
330
Total volume
205K gal
Reached waterways
21 (6%)
Reporting since
2007

What caused the overflows

Root Intrusion
135
Equipment Failure
95
Grease / FOG
51
Other / Unknown
49

Reported overflow events (showing 200 of 330)

DateVolumeCauseReached waterReceiving water
Jun 8, 2026248 galGrease / FOGYesWash adjacent to Lembi Park which is a tributary of Willow Creek
Jan 16, 2026116 galRoot Intrusion——
Jan 12, 202658 galEquipment FailureYesGold Creek
Dec 27, 2025583 galRoot IntrusionYesWash adjacent to Lembi Park which is a tributary of Willow Creek
Dec 27, 2025583 galRoot IntrusionYesWash adjacent to Lembi Park which is a tributary of Willow Creek
Dec 11, 202530 galRoot IntrusionYesWillow Creek
Dec 11, 202530 galRoot IntrusionYesWillow Creek
Oct 4, 2025302 galRoot Intrusion——
Aug 19, 2025161 galGrease / FOG——
Feb 5, 202514K galEquipment FailureYesAlder Creek
Dec 9, 20247K galEquipment FailureYesUnnamed surface tributary to Hinkle Creek
Nov 22, 202445 galEquipment FailureYesTributary to South Branch of Linda Creek
Jul 25, 2024100 galRoot Intrusion——
May 18, 202455 galRoot Intrusion——
Mar 4, 2024250 galRoot Intrusion——
Dec 21, 20232K galEquipment Failure——
Jul 14, 202350 galEquipment Failure——
May 8, 20231 galRoot Intrusion—Street/Curb and Gutter
May 8, 202320 galEquipment Failure—Street/Curb and Gutter;Unpaved surface
Apr 11, 20234 galRoot Intrusion—Street/Curb and Gutter
Apr 10, 20231 galRoot Intrusion—Drainage Channel
Mar 20, 20233 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Feb 27, 20233 galEquipment Failure—Street/Curb and Gutter
Feb 14, 20235 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Jan 16, 202310 galEquipment Failure—Separate Storm Drain;Street/Curb and Gutter
Dec 31, 202214K galOther / UnknownYesSurface Water
Dec 26, 202210 galRoot Intrusion—Street/Curb and Gutter
Dec 19, 20223 galRoot Intrusion—Street/Curb and Gutter
Dec 19, 202210 galRoot Intrusion—Street/Curb and Gutter
Dec 18, 202250 galEquipment Failure—Unpaved surface
Dec 8, 2022120 galGrease / FOGYesSurface Water;Unpaved surface
Dec 8, 20222 galRoot Intrusion—Street/Curb and Gutter
Nov 23, 20228 galRoot Intrusion—Paved Surface
Oct 30, 20225 galEquipment Failure—Street/Curb and Gutter
Oct 28, 202230 galRoot Intrusion—Street/Curb and Gutter;Unpaved surface
Oct 17, 202210 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Oct 12, 20223 galEquipment Failure—Street/Curb and Gutter
Oct 3, 20221 galRoot Intrusion—Paved Surface
Sep 13, 202240 galGrease / FOG—Separate Storm Drain
Sep 1, 202225 galEquipment Failure—Street/Curb and Gutter
Aug 28, 20222 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Aug 25, 20224 galRoot Intrusion—Paved Surface;Unpaved surface
Jul 23, 20224 galRoot Intrusion—Street/Curb and Gutter
Jun 29, 2022150 galEquipment Failure—Paved Surface
May 8, 20225 galOther / Unknown—Separate Storm Drain;Street/Curb and Gutter
Apr 6, 20225 galEquipment Failure—Separate Storm Drain;Street/Curb and Gutter
Apr 6, 202250 galRoot Intrusion—Street/Curb and Gutter;Unpaved surface
Apr 6, 2022100 galEquipment Failure—Unpaved surface
Mar 9, 20228 galGrease / FOG—Separate Storm Drain;Street/Curb and Gutter
Mar 7, 202215 galRoot Intrusion—Paved Surface;Unpaved surface
Mar 3, 202220 galOther / Unknown—Drainage Channel;Street/Curb and Gutter
Feb 19, 20225 galEquipment Failure—Street/Curb and Gutter
Jan 25, 202216 galRoot Intrusion—Separate Storm Drain
Dec 28, 20212 galEquipment Failure—Paved Surface
Dec 6, 20213 galRoot Intrusion—Paved Surface;Unpaved surface
Nov 9, 20211 galEquipment Failure—Paved Surface
Oct 22, 202130 galGrease / FOG—Street/Curb and Gutter
Sep 27, 202150 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Sep 25, 2021100 galRoot Intrusion—Separate Storm Drain
Sep 21, 20211 galEquipment Failure—Paved Surface
Sep 9, 202115 galEquipment Failure—Street/Curb and Gutter
Sep 2, 20212 galEquipment Failure—Street/Curb and Gutter
Jul 9, 20212 galRoot Intrusion—Paved Surface
May 7, 20218 galEquipment Failure—Street/Curb and Gutter
May 4, 202110 galEquipment Failure—Street/Curb and Gutter
Apr 20, 20212 galEquipment Failure—Street/Curb and Gutter
Apr 1, 202120 galEquipment Failure—Street/Curb and Gutter
Mar 31, 202115 galEquipment Failure—Street/Curb and Gutter
Mar 6, 20212 galRoot Intrusion—Unpaved surface
Mar 5, 202115 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Feb 17, 20214 galRoot Intrusion—Unpaved surface
Dec 31, 202010 galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Unpaved surface
Dec 15, 202040 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Dec 14, 202030 galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Nov 25, 202090 galGrease / FOG—Separate Storm Drain;Street/Curb and Gutter;Unpaved surface
Oct 26, 20205 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Aug 27, 2020144K galEquipment Failure—Other (specify below)
Aug 17, 202025 galRoot Intrusion—Unpaved surface
Aug 10, 20202 galEquipment Failure—Separate Storm Drain;Street/Curb and Gutter
Aug 3, 20205 galGrease / FOG—Paved Surface;Separate Storm Drain
Jul 29, 202025 galRoot Intrusion—Unpaved surface
Jul 2, 20206 galEquipment Failure—Separate Storm Drain;Street/Curb and Gutter
May 31, 20203 galRoot Intrusion—Separate Storm Drain
May 24, 20205 galOther / Unknown—Street/Curb and Gutter
Mar 18, 2020200 galOther / UnknownYesSeparate Storm Drain;Street/Curb and Gutter;Surface Water
Mar 17, 20202 galEquipment Failure—Street/Curb and Gutter
Mar 6, 20202 galEquipment Failure—Paved Surface;Unpaved surface
Feb 20, 202030 galRoot Intrusion—Unpaved surface
Feb 7, 20201 galEquipment Failure—Paved Surface
Feb 3, 20205 galRoot Intrusion—Street/Curb and Gutter
Dec 26, 2019200 galGrease / FOG—Street/Curb and Gutter
Dec 20, 20195 galOther / Unknown—Separate Storm Drain;Street/Curb and Gutter
Dec 8, 201954 galGrease / FOG—Separate Storm Drain
Dec 6, 2019175 galRoot IntrusionYesSeparate Storm Drain;Street/Curb and Gutter;Surface Water;Unpaved surface
Dec 4, 201960 galGrease / FOG—Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Unpaved surface
Dec 2, 20198 galOther / UnknownYesSurface Water
Nov 28, 20192 galRoot Intrusion—Street/Curb and Gutter
Nov 18, 2019450 galGrease / FOG—Separate Storm Drain;Street/Curb and Gutter
Nov 6, 201925 galRoot Intrusion—Unpaved surface
Nov 4, 201930 galEquipment Failure—Paved Surface;Separate Storm Drain
Sep 29, 20192 galEquipment Failure—Unpaved surface
Sep 16, 201910 galOther / Unknown—Unpaved surface
Sep 13, 201930 galGrease / FOG—Unpaved surface
Sep 6, 20193 galRoot Intrusion—Paved Surface;Unpaved surface
Aug 26, 201910 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Aug 16, 20198 galRoot Intrusion—Street/Curb and Gutter;Unpaved surface
Aug 12, 20193 galEquipment Failure—Street/Curb and Gutter
Jun 4, 201915 galEquipment Failure—Other (specify below)
Mar 30, 201910 galEquipment Failure—Street/Curb and Gutter
Mar 25, 201960 galRoot Intrusion—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Mar 23, 20191 galEquipment Failure—Unpaved surface
Feb 15, 20191 galRoot Intrusion—Paved Surface
Feb 2, 201920 galEquipment Failure—Separate Storm Drain;Street/Curb and Gutter
Dec 26, 2018450 galRoot IntrusionYesOther (specify below);Unpaved surface
Dec 4, 201820 galEquipment Failure—Unpaved surface
Nov 11, 20185 galEquipment Failure—Paved Surface
Sep 26, 20185 galRoot Intrusion—Paved Surface;Unpaved surface
Sep 22, 20183 galRoot Intrusion—Unpaved surface
Sep 8, 201810 galGrease / FOG—Paved Surface;Street/Curb and Gutter
Aug 29, 20188 galEquipment Failure—Unpaved surface
Apr 27, 20181 galOther / Unknown—Unpaved surface
Apr 17, 201825 galEquipment Failure—Other (specify below)
Mar 12, 20182 galRoot Intrusion—Street/Curb and Gutter
Mar 7, 201815 galEquipment Failure—Street/Curb and Gutter
Jan 30, 201810 galEquipment Failure—Street/Curb and Gutter
Dec 18, 201725 galEquipment Failure—Other (specify below)
Nov 30, 20175 galRoot Intrusion—Street/Curb and Gutter
Sep 30, 201730 galRoot Intrusion—Street/Curb and Gutter
Aug 28, 20176 galRoot Intrusion—Street/Curb and Gutter
Aug 27, 201715 galOther / Unknown—Street/Curb and Gutter
Aug 16, 201715 galOther / Unknown—Street/Curb and Gutter
Aug 11, 20176 galOther / Unknown—Separate Storm Drain;Street/Curb and Gutter
Aug 10, 20171 galRoot Intrusion—Street/Curb and Gutter
Jul 6, 2017100 galRoot Intrusion—Separate Storm Drain
May 4, 2017200 galEquipment FailureYesOther (specify below)
May 4, 201715 galRoot Intrusion—Paved Surface
Mar 25, 201710 galRoot Intrusion—Separate Storm Drain
Mar 21, 20175 galEquipment Failure—Separate Storm Drain
Mar 11, 201717 galRoot Intrusion—Paved Surface
Mar 10, 20175 galRoot Intrusion—Unpaved surface
Feb 21, 201789 galRoot Intrusion—Other (specify below)
Nov 12, 20162 galRoot Intrusion—Street/Curb and Gutter
Oct 31, 201610 galOther / Unknown—Other (specify below)
Oct 19, 201620 galEquipment Failure—Paved Surface
Sep 4, 201615 galRoot Intrusion—Street/Curb and Gutter
May 19, 20165 galOther / Unknown—Street/Curb and Gutter
May 17, 20165 galEquipment Failure—Street/Curb and Gutter
May 10, 201655 galOther / UnknownYesOther (specify below)
Apr 18, 20162 galRoot Intrusion—Paved Surface
Apr 10, 201625 galRoot Intrusion—Unpaved surface
Feb 22, 2016300 galGrease / FOG—Building or Structure
Feb 8, 201612 galEquipment Failure—Paved Surface
Jan 28, 201610 galRoot Intrusion—Other (specify below)
Jan 26, 201650 galEquipment Failure—Unpaved surface
Jan 23, 201612 galRoot Intrusion—Unpaved surface
Jan 20, 201615 galRoot Intrusion—Unpaved surface
Jan 10, 2016200 galGrease / FOG—Separate Storm Drain;Street/Curb and Gutter
Dec 5, 201510 galRoot Intrusion—Street/Curb and Gutter
Dec 1, 20152 galRoot Intrusion—Street/Curb and Gutter
Nov 12, 201510 galGrease / FOG—Street/Curb and Gutter
Nov 1, 2015100 galEquipment Failure—Drainage Channel
Oct 31, 20153K galGrease / FOGYesOther (specify below)
Oct 28, 20155 galRoot Intrusion—Street/Curb and Gutter
Sep 29, 20153 galEquipment Failure—Street/Curb and Gutter
Aug 24, 20153 galRoot Intrusion—Street/Curb and Gutter
Aug 19, 20153 galRoot Intrusion—Street/Curb and Gutter
Aug 3, 20153 galRoot Intrusion—Street/Curb and Gutter
Jul 25, 20155 galGrease / FOG—Unpaved surface
Jul 19, 201532 galEquipment Failure—Separate Storm Drain
Jul 14, 20153 galEquipment Failure—Street/Curb and Gutter
May 8, 201520 galOther / Unknown—Separate Storm Drain
May 2, 201510 galOther / Unknown—Separate Storm Drain
Apr 5, 201540 galGrease / FOG—Other (specify below)
Mar 20, 20153 galRoot Intrusion—Street/Curb and Gutter
Mar 17, 20153 galRoot Intrusion—Street/Curb and Gutter
Mar 11, 20155 galRoot Intrusion—Street/Curb and Gutter
Mar 9, 20155 galRoot Intrusion—Other (specify below)
Feb 2, 20155 galEquipment Failure—Street/Curb and Gutter
Dec 28, 2014150 galEquipment Failure—Separate Storm Drain
Nov 28, 201430 galRoot Intrusion—Street/Curb and Gutter
Nov 6, 20142 galRoot Intrusion—Street/Curb and Gutter
Oct 26, 201415 galRoot Intrusion—Unpaved surface
Oct 13, 201460 galGrease / FOG—Paved Surface
Oct 8, 20145 galRoot Intrusion—Unpaved surface
Sep 18, 201420 galOther / Unknown—Street/Curb and Gutter
Sep 17, 201490 galRoot Intrusion—Separate Storm Drain
Sep 11, 20144 galOther / Unknown—Street/Curb and Gutter
Sep 7, 20145 galEquipment Failure—Street/Curb and Gutter
Aug 30, 20142 galOther / Unknown—Street/Curb and Gutter
May 29, 201410 galRoot Intrusion—Street/Curb and Gutter
Apr 22, 20143 galEquipment Failure—Paved Surface
Apr 12, 20145 galEquipment Failure—Paved Surface
Apr 4, 20141 galEquipment Failure—Paved Surface
Apr 4, 20145 galEquipment Failure—Paved Surface
Mar 14, 201410 galEquipment Failure—Other (specify below)
Feb 25, 201450 galOther / Unknown—Other (specify below)
Feb 17, 201445 galRoot Intrusion—Street/Curb and Gutter
Feb 8, 20141 galGrease / FOGYesSurface Water
Feb 3, 201440 galRoot Intrusion—Other (specify below)
Feb 3, 201440 galGrease / FOG—Unpaved surface

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