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California · California (CIWQS)

Sanitary District #2 of Marin

C
Often reaches water
Reported events
94
Total volume
71K gal
Reached waterways
17 (18%)
Reporting since
2007

What caused the overflows

Root Intrusion
42
Equipment Failure
22
Other / Unknown
17
Grease / FOG
11
Rainfall / Flooding
2

Reported overflow events (showing 94 of 94)

DateVolumeCauseReached waterReceiving water
Jun 13, 2026124 galOther / Unknown——
May 11, 2025780 galRoot Intrusion——
Jan 27, 2025166 galRoot IntrusionYesSan Francisco Bay
Nov 27, 2024297 galRoot IntrusionYesHigh Canal, Corte Madera Creek, San Francisco Bay
Aug 25, 2024483 galEquipment Failure——
Jun 24, 202478 galEquipment FailureYesMadera Del Presidio Open Channels
May 21, 2023286 galEquipment Failure—Unpaved surface
Dec 31, 20223K galEquipment FailureYesSeparate Storm Drain;Street/Curb and Gutter;Surface Water
Dec 31, 20224K galEquipment FailureYesDrainage Channel;Paved Surface;Street/Curb and Gutter;Surface Water
Dec 31, 20225K galEquipment FailureYesPaved Surface;Separate Storm Drain;Surface Water
Sep 13, 202252 galGrease / FOG—Paved Surface;Separate Storm Drain
Jul 15, 202211 galRoot Intrusion—Paved Surface;Street/Curb and Gutter;Unpaved surface
May 21, 202260 galRoot Intrusion—Unpaved surface
Apr 8, 2022595 galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Feb 10, 202257 galRoot Intrusion—Unpaved surface
Jan 30, 20221K galGrease / FOGYesSeparate Storm Drain;Street/Curb and Gutter
Jan 27, 2022738 galRoot Intrusion—Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Unpaved surface
Nov 14, 2021848 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter;Unpaved surface
Oct 24, 202136 galRainfall / Flooding—Paved Surface;Street/Curb and Gutter
Aug 19, 202138 galRoot Intrusion—Unpaved surface
Jun 6, 2021845 galRoot Intrusion—Unpaved surface
Jan 25, 202125 galRoot Intrusion—Paved Surface;Unpaved surface
Nov 26, 20203 galGrease / FOG—Street/Curb and Gutter
Nov 25, 202018 galGrease / FOG—Separate Storm Drain;Street/Curb and Gutter
Oct 4, 2020178 galRoot Intrusion—Unpaved surface
Jun 27, 2020210 galEquipment Failure—Unpaved surface
Feb 29, 20201 galGrease / FOG—Paved Surface
Jan 23, 20202 galEquipment Failure—Unpaved surface
Dec 24, 20192 galOther / Unknown—Other (specify below)
Nov 19, 201915 galEquipment FailureYesPaved Surface;Separate Storm Drain
Oct 9, 2019736 galRoot Intrusion—Street/Curb and Gutter
Aug 6, 2019866 galEquipment FailureYesPaved Surface;Separate Storm Drain;Street/Curb and Gutter
Jul 31, 20192K galRoot IntrusionYesStreet/Curb and Gutter
Apr 8, 2019320 galRoot IntrusionYesSeparate Storm Drain;Street/Curb and Gutter
Apr 3, 201943 galRoot Intrusion—Unpaved surface
Feb 15, 201914K galEquipment Failure—Unpaved surface
Feb 13, 20193K galEquipment FailureYesDrainage Channel
Feb 13, 201923K galRainfall / FloodingYesOther (specify below)
Dec 6, 2018663 galRoot IntrusionYesDrainage Channel
Oct 28, 201842 galRoot Intrusion—Street/Curb and Gutter
Oct 17, 2018500 galRoot Intrusion—Street/Curb and Gutter
Sep 14, 20184K galGrease / FOGYesSeparate Storm Drain
Jan 27, 201855 galEquipment Failure—Separate Storm Drain;Street/Curb and Gutter
Jan 3, 201810 galRoot Intrusion—Unpaved surface
Nov 28, 201735 galOther / Unknown—Paved Surface
Jun 5, 201720 galOther / Unknown—Paved Surface;Street/Curb and Gutter
Apr 5, 201725 galRoot Intrusion—Separate Storm Drain;Street/Curb and Gutter
Mar 15, 201750 galEquipment Failure—Paved Surface;Separate Storm Drain;Street/Curb and Gutter
Dec 17, 201610 galOther / Unknown—Paved Surface
Nov 12, 20167 galEquipment Failure—Paved Surface
Aug 21, 20161 galEquipment Failure—Paved Surface
Mar 26, 20165 galOther / Unknown—Paved Surface
Mar 2, 201620 galEquipment Failure—Unpaved surface
Jul 16, 201510 galRoot Intrusion—Street/Curb and Gutter
Dec 31, 20142 galRoot Intrusion—Paved Surface
Sep 13, 20148 galRoot Intrusion—Street/Curb and Gutter
Dec 6, 201320 galOther / Unknown—Street/Curb and Gutter
Nov 27, 201310 galOther / Unknown—Separate Storm Drain;Street/Curb and Gutter
Sep 30, 201315 galRoot Intrusion—Street/Curb and Gutter
Jun 23, 20133 galRoot Intrusion—Paved Surface
Feb 26, 201320 galEquipment Failure—Street/Curb and Gutter;Separate storm drain
Feb 26, 20132 galOther / Unknown—Street/Curb and Gutter;Separate storm drain
Feb 18, 20137 galOther / Unknown—Paved Surface
Dec 17, 201210 galOther / UnknownYesSeparate storm drain;Street/curb and gutter
Aug 27, 20115 galOther / Unknown—Separate storm drain;Street/curb and gutter
Nov 24, 201015 galOther / Unknown—Surface water
Nov 15, 201025 galOther / Unknown—Street/curb and gutter
Mar 31, 201025 galRoot Intrusion—Storm drain
Mar 15, 201050 galEquipment Failure—Storm drain
Nov 11, 200950 galRoot Intrusion—Street/curb and gutter
Aug 6, 200915 galRoot Intrusion—Street/curb and gutter
Jul 21, 200930 galOther / Unknown—Storm drain
Apr 20, 200930 galEquipment Failure—Unpaved surface
Apr 11, 200918 galRoot Intrusion—Unpaved surface
Mar 14, 200920 galGrease / FOG—Street/curb and gutter
Feb 6, 2009120 galGrease / FOG—Storm drain;Street/curb and gutter
Jan 3, 200925 galRoot Intrusion—Street/curb and gutter
Nov 28, 200815 galRoot Intrusion—Street/curb and gutter
Nov 4, 200825 galRoot Intrusion—Unpaved surface
Oct 13, 200830 galRoot Intrusion—Other (specify below)
Jul 1, 200815 galRoot Intrusion—Unpaved surface
Jun 3, 200850 galRoot Intrusion—Other (specify below)
Apr 25, 200820 galRoot Intrusion—Storm drain
Apr 10, 2008480 galGrease / FOGYesStorm drain;Surface water
Feb 10, 200840 galEquipment Failure—Unpaved surface
Dec 31, 200720 galGrease / FOG—Storm drain;Street/curb and gutter
Dec 26, 200780 galOther / Unknown—Storm drain
Dec 4, 200760 galGrease / FOG—Separate storm drain
Nov 14, 200745 galRoot Intrusion—Street/curb and gutter
Nov 13, 200760 galRoot Intrusion—Street/curb and gutter
Nov 11, 2007700 galOther / Unknown—Other (specify below)
Nov 8, 2007450 galRoot Intrusion—Other (specify below)
Oct 18, 2007250 galRoot Intrusion—Storm drain
Aug 3, 200710 galRoot Intrusion—Unpaved surface

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