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California · California (CIWQS)

La Mesa City

B
Seldom reaches water
Reported events
163
Total volume
1.4M gal
Reached waterways
16 (10%)
Reporting since
2008

What caused the overflows

Equipment Failure
56
Other / Unknown
45
Root Intrusion
35
Grease / FOG
20
Rainfall / Flooding
7

Reported overflow events (showing 163 of 163)

DateVolumeCauseReached waterReceiving water
Jan 19, 2026450 galRoot Intrusion——
Jan 11, 202675 galGrease / FOG——
Nov 6, 2024165 galEquipment Failure——
Jul 30, 20246K galOther / Unknown——
Jan 22, 20247K galRainfall / FloodingYesUniversity Channel several miles upstream of Chollas Creek
Jan 16, 20236K galRainfall / FloodingYesSeparate Storm Drain
Jan 16, 20231K galRainfall / FloodingYesSeparate Storm Drain
Dec 3, 202016 galGrease / FOG—Paved Surface
Oct 6, 202025 galEquipment Failure—Paved Surface
Apr 27, 2020120 galEquipment Failure—Unpaved surface
Feb 22, 202075 galRoot Intrusion—Other (specify below)
Feb 15, 20205K galEquipment FailureYesDrainage Channel;Paved Surface
Dec 12, 2019405 galRoot Intrusion—Other (specify below);Paved Surface
Oct 23, 201968 galEquipment Failure—Street/Curb and Gutter
Feb 15, 201950 galEquipment Failure—Paved Surface
Sep 28, 201829 galRoot Intrusion—Paved Surface
Jul 19, 20183 galRoot Intrusion—Unpaved surface
Jun 28, 2018325 galRoot Intrusion—Paved Surface;Street/Curb and Gutter
Feb 7, 20188 galRoot Intrusion—Paved Surface
Nov 4, 201790 galRoot Intrusion—Unpaved surface
Oct 10, 201736 galEquipment Failure—Other (specify below)
Sep 1, 20173K galEquipment FailureYesSeparate Storm Drain
Aug 20, 201736 galEquipment Failure—Paved Surface
Jul 24, 2017125 galEquipment Failure—Unpaved surface
Jul 18, 201758 galRoot Intrusion—Paved Surface;Unpaved surface
May 21, 20175 galEquipment Failure—Other (specify below)
May 15, 201730 galEquipment Failure—Other (specify below)
Feb 16, 2017380 galEquipment FailureYesCombined Storm Drain (Combined CS only)
Dec 28, 201620 galOther / Unknown—Building or Structure;Other (specify below)
Dec 3, 201615 galEquipment Failure—Other (specify below)
Nov 29, 201618 galRoot Intrusion—Other (specify below)
Nov 29, 201625 galEquipment Failure—Other (specify below)
Nov 23, 2016180 galEquipment Failure—Other (specify below)
Sep 8, 201635 galEquipment Failure—Paved Surface
Sep 4, 201645 galEquipment Failure—Paved Surface
Jul 31, 201690 galEquipment Failure—Separate Storm Drain;Street/Curb and Gutter
Jul 30, 201660 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Apr 30, 2016145 galEquipment FailureYesPaved Surface;Separate Storm Drain;Street/Curb and Gutter
Apr 29, 201615 galEquipment Failure—Street/Curb and Gutter
Feb 24, 201625 galEquipment Failure—Unpaved surface
Jan 28, 201650 galEquipment Failure—Separate Storm Drain;Street/Curb and Gutter
Nov 26, 201542 galEquipment Failure—Unpaved surface
Nov 12, 20158 galEquipment Failure—Paved Surface
Oct 31, 201515 galEquipment Failure—Unpaved surface
Oct 28, 201520 galEquipment Failure—Street/Curb and Gutter
Oct 7, 201535 galEquipment Failure—Paved Surface
Oct 5, 201525 galRoot Intrusion—Unpaved surface
Sep 4, 201525 galRoot Intrusion—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Jul 30, 2015170 galRoot Intrusion—Unpaved surface
Jun 16, 201510 galRoot Intrusion—Unpaved surface
Jun 14, 2015250 galEquipment Failure—Paved Surface
May 22, 201537 galRoot Intrusion—Separate Storm Drain
May 16, 201528 galEquipment Failure—Unpaved surface
Apr 4, 201575 galRoot Intrusion—Unpaved surface
Mar 16, 2015150 galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Mar 11, 201514 galRoot Intrusion—Paved Surface
Feb 4, 2015121 galGrease / FOG—Street/Curb and Gutter
Jan 16, 2015475 galEquipment Failure—Unpaved surface
Dec 27, 201428 galEquipment Failure—Paved Surface
Dec 27, 201433 galGrease / FOG—Paved Surface
Nov 30, 201433 galOther / Unknown—Paved Surface
Oct 23, 201420 galEquipment Failure—Unpaved surface
Oct 18, 201450 galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Sep 20, 201462 galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Sep 18, 201456 galRoot Intrusion—Unpaved surface
Aug 28, 2014120 galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Aug 25, 20144K galGrease / FOGYesSeparate Storm Drain
Jun 18, 201412 galGrease / FOG—Street/Curb and Gutter
Jun 18, 2014175 galGrease / FOG—Paved Surface;Street/Curb and Gutter
Jun 18, 20144 galEquipment Failure—Paved Surface;Street/Curb and Gutter
Apr 26, 2014240 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Mar 30, 201433 galEquipment Failure—Other (specify below);Unpaved surface
Mar 27, 201434 galEquipment Failure—Unpaved surface
Mar 23, 2014315 galGrease / FOG—Separate Storm Drain
Mar 12, 2014220 galEquipment Failure—Paved Surface;Street/Curb and Gutter
Jan 19, 2014150 galEquipment Failure—Other (specify below);Street/Curb and Gutter
Jan 12, 20146 galGrease / FOG—Paved Surface;Unpaved surface
Jan 9, 201415 galEquipment Failure—Street/Curb and Gutter
Dec 29, 201315 galEquipment Failure—Street/Curb and Gutter
Dec 27, 201324 galGrease / FOG—Unpaved surface
Dec 24, 201310 galGrease / FOG—Unpaved surface
Dec 13, 2013100 galEquipment Failure—Paved Surface;Street/Curb and Gutter
Dec 5, 201360 galGrease / FOG—Other (specify below);Paved Surface
Dec 2, 201336 galGrease / FOG—Paved Surface;Street/Curb and Gutter
Nov 28, 201316 galRoot Intrusion—Paved Surface
Nov 23, 201325 galRoot Intrusion—Unpaved surface
Nov 11, 201325 galEquipment Failure—Paved Surface
Nov 10, 2013840 galEquipment Failure—Unpaved surface
Nov 5, 2013375 galEquipment Failure—Unpaved surface
Nov 3, 20131 galEquipment Failure—Paved Surface
Oct 20, 2013390 galGrease / FOG—Unpaved surface
Oct 12, 201345 galOther / Unknown—Street/Curb and Gutter
Oct 7, 2013270 galGrease / FOG—Unpaved surface
Oct 3, 2013120 galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Oct 2, 2013100 galEquipment Failure—Separate Storm Drain;Street/Curb and Gutter
Sep 8, 201325 galEquipment Failure—Street/Curb and Gutter
Aug 16, 2013120 galOther / Unknown—Unpaved surface
Jun 15, 201390 galOther / Unknown—Street/curb and gutter;Other (specify below)
Jun 15, 2013200 galOther / Unknown—Other (specify below)
May 24, 201312 galOther / Unknown—Separate storm drain;Street/curb and gutter
Apr 28, 2013175 galOther / Unknown—Street/curb and gutter
Apr 26, 201345 galOther / Unknown—Street/curb and gutter
Apr 23, 201310 galOther / Unknown—Other paved surface
Apr 21, 201325 galOther / Unknown—Street/curb and gutter
Mar 2, 2013825 galGrease / FOG—Street/curb and gutter
Feb 27, 201345 galGrease / FOG—Unpaved surface
Feb 27, 201312 galOther / Unknown—Separate storm drain
Feb 13, 201310 galOther / Unknown—Street/curb and gutter
Jan 31, 2013125 galOther / Unknown—Street/curb and gutter
Jan 28, 201335 galRoot Intrusion—Street/curb and gutter
Jan 28, 201335 galGrease / FOG—Street/curb and gutter
Dec 22, 2012110 galOther / Unknown—Street/curb and gutter
Dec 22, 2012110 galOther / Unknown—Street/curb and gutter
Dec 18, 201290 galOther / Unknown—Other paved surface
Dec 8, 201265 galRoot Intrusion—Street/curb and gutter
Dec 4, 2012375 galOther / Unknown—Other paved surface;Street/curb and gutter
Dec 4, 2012750 galOther / Unknown—Other paved surface
Nov 25, 2012150 galOther / Unknown—Other paved surface
Nov 22, 2012950 galOther / Unknown—Separate storm drain
Nov 16, 201210 galOther / Unknown—Combined storm drain (combined CS only)
Oct 14, 2012400 galOther / Unknown—Unpaved surface
Sep 15, 2012180 galOther / Unknown—Street/curb and gutter
Sep 12, 2012195 galOther / Unknown—Other paved surface
Sep 2, 2012280 galOther / Unknown—Separate storm drain
Aug 26, 201245 galOther / Unknown—Street/curb and gutter
Aug 8, 201275 galOther / Unknown—Other paved surface
Jun 28, 201230 galRoot Intrusion—Separate storm drain;Unpaved surface
Jun 22, 2012600 galOther / Unknown—Combined storm drain (combined CS only);Street/curb and gutter
Apr 20, 2012500 galOther / Unknown—Building or structure
Apr 4, 2012125 galOther / Unknown—Separate storm drain
Mar 14, 201260 galOther / Unknown—Combined storm drain (combined CS only)
Mar 5, 201230 galOther / Unknown—Street/curb and gutter
Mar 2, 2012180 galRoot IntrusionYesSeparate storm drain
Jan 15, 2012240 galOther / Unknown—Combined storm drain (combined CS only)
Jan 15, 2012240 galOther / Unknown—Separate storm drain
Oct 8, 2011750 galOther / Unknown—Combined storm drain (combined CS only)
Sep 16, 2011200 galRoot Intrusion—Separate storm drain
Sep 2, 201125 galEquipment Failure—Building or structure
Aug 28, 2011125 galRoot Intrusion—Other paved surface;Separate storm drain
Jul 30, 2011450 galOther / Unknown—Separate storm drain
Jun 18, 2011500 galRoot Intrusion—Separate storm drain;Street/curb and gutter
Dec 21, 2010293K galRainfall / FloodingYesSurface water
Dec 21, 201014K galRainfall / FloodingYesSurface water
Dec 21, 201018K galRainfall / FloodingYesSurface water
Dec 21, 2010990K galRainfall / FloodingYesSurface water;Unpaved surface
Dec 21, 20106K galOther / UnknownYesSurface water
Oct 8, 2010565 galGrease / FOG—Storm drain;Street/curb and gutter
Sep 30, 2010500 galOther / UnknownYesUnpaved surface
Sep 10, 201015 galGrease / FOG—Storm drain
Aug 22, 20102K galRoot Intrusion—Unpaved surface
Nov 5, 20093 galOther / Unknown—Storm drain;Street/curb and gutter
Apr 14, 2009400 galRoot Intrusion—Storm drain
Mar 29, 2009105 galOther / Unknown—Unpaved surface
Mar 9, 2009600 galOther / Unknown—Street/curb and gutter
Mar 8, 2009400 galOther / Unknown—Storm drain
Jan 14, 2009300 galOther / Unknown—Unpaved surface
Jan 11, 2009250 galRoot Intrusion—Unpaved surface
Sep 18, 2008360 galEquipment Failure—Unpaved surface
Sep 1, 2008825 galEquipment FailureYesStorm drain;Street/curb and gutter
May 13, 2008400 galRoot Intrusion—Storm drain;Street/curb and gutter
Apr 26, 2008300 galEquipment Failure—Other paved surface
Mar 24, 200860 galRoot Intrusion—Other (specify below)
Jan 11, 2008450 galRoot Intrusion—Street/curb and gutter

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