All rankings
California · California (CIWQS)
South Placer MUD
B
Seldom reaches water
Reported events
190
Total volume
113K gal
Reached waterways
27 (14%)
Reporting since
2007
What caused the overflows
Root Intrusion
122
Equipment Failure
41
Other / Unknown
20
Grease / FOG
6
Capacity Issue
1
Reported overflow events (showing 190 of 190)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Nov 1, 2025 | 69 gal | Grease / FOG | — | — |
| Oct 4, 2025 | 33 gal | Root Intrusion | Yes | Tributary to Antelope Creek |
| Mar 2, 2025 | 32 gal | Grease / FOG | Yes | Unnamed tributary of Antelope Creek |
| Dec 3, 2024 | 348 gal | Other / Unknown | Yes | Pleasant Grove Creek |
| Nov 7, 2024 | 336 gal | Root Intrusion | Yes | Antelope Creek |
| Aug 2, 2024 | 425 gal | Equipment Failure | — | — |
| May 18, 2024 | 77 gal | Equipment Failure | Yes | Sucker Ravine |
| Mar 6, 2024 | 70 gal | Equipment Failure | Yes | Unnamed stream |
| Feb 5, 2024 | 60 gal | Root Intrusion | — | — |
| Oct 22, 2023 | 10K gal | Grease / FOG | Yes | Sucker Ravine |
| Sep 17, 2023 | 57 gal | Equipment Failure | — | — |
| Apr 29, 2023 | 3 gal | Equipment Failure | — | Paved Surface |
| Apr 24, 2023 | 85 gal | Equipment Failure | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Apr 22, 2023 | 39 gal | Root Intrusion | — | Unpaved surface |
| Apr 6, 2023 | 12 gal | Root Intrusion | — | Street/Curb and Gutter;Unpaved surface |
| Apr 4, 2023 | 169 gal | Other / Unknown | — | Paved Surface;Separate Storm Drain |
| Mar 3, 2023 | 10 gal | Other / Unknown | Yes | Separate Storm Drain;Street/Curb and Gutter |
| Mar 3, 2023 | 69 gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| Feb 15, 2023 | 1 gal | Equipment Failure | — | Street/Curb and Gutter |
| Feb 6, 2023 | 10 gal | Root Intrusion | Yes | Street/Curb and Gutter |
| Feb 4, 2023 | 167 gal | Equipment Failure | — | Building or Structure;Paved Surface;Unpaved surface |
| Jan 29, 2023 | 1 gal | Root Intrusion | — | Paved Surface |
| Jan 17, 2023 | 11 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Jan 16, 2023 | 24 gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| Dec 15, 2022 | 6 gal | Root Intrusion | — | Unpaved surface |
| Dec 6, 2022 | 58 gal | Root Intrusion | — | Unpaved surface |
| Dec 5, 2022 | 44 gal | Root Intrusion | — | Building or Structure;Unpaved surface |
| Nov 19, 2022 | 12 gal | Root Intrusion | — | Street/Curb and Gutter;Unpaved surface |
| Nov 16, 2022 | 6 gal | Root Intrusion | — | Building or Structure |
| Nov 14, 2022 | 13 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Oct 9, 2022 | 30 gal | Equipment Failure | Yes | Paved Surface;Separate Storm Drain |
| Oct 6, 2022 | 18 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Oct 1, 2022 | 1 gal | Root Intrusion | — | Unpaved surface |
| Sep 25, 2022 | 5 gal | Grease / FOG | — | Unpaved surface |
| Sep 24, 2022 | 51 gal | Equipment Failure | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Unpaved surface |
| Sep 15, 2022 | 44 gal | Root Intrusion | — | Building or Structure;Unpaved surface |
| Aug 9, 2022 | 16 gal | Equipment Failure | — | Unpaved surface |
| Aug 8, 2022 | 12 gal | Root Intrusion | — | Paved Surface |
| Jul 18, 2022 | 2 gal | Root Intrusion | — | Paved Surface |
| Jul 14, 2022 | 6 gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| Jul 14, 2022 | 53 gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| Jul 10, 2022 | 21 gal | Root Intrusion | — | Building or Structure |
| Jul 5, 2022 | 1 gal | Root Intrusion | — | Building or Structure |
| Jun 30, 2022 | 57 gal | Root Intrusion | — | Building or Structure |
| Jun 28, 2022 | 3 gal | Root Intrusion | — | Paved Surface |
| Jun 12, 2022 | 46 gal | Root Intrusion | — | Unpaved surface |
| May 11, 2022 | 3 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Apr 22, 2022 | 22 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Mar 27, 2022 | 2 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Mar 20, 2022 | 1 gal | Root Intrusion | — | Paved Surface |
| Mar 13, 2022 | 15 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter;Unpaved surface |
| Mar 8, 2022 | 13 gal | Root Intrusion | — | Street/Curb and Gutter;Unpaved surface |
| Feb 28, 2022 | 10 gal | Root Intrusion | — | Paved Surface |
| Jan 13, 2022 | 10 gal | Root Intrusion | — | Paved Surface;Street/Curb and Gutter |
| Jan 11, 2022 | 16 gal | Equipment Failure | — | Building or Structure;Paved Surface |
| Dec 29, 2021 | 61 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Dec 26, 2021 | 15 gal | Root Intrusion | — | Building or Structure |
| Dec 14, 2021 | 171 gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| Dec 9, 2021 | 6 gal | Root Intrusion | — | Unpaved surface |
| Nov 29, 2021 | 1 gal | Root Intrusion | — | Street/Curb and Gutter |
| Oct 31, 2021 | 300 gal | Equipment Failure | Yes | Drainage Channel |
| Oct 22, 2021 | 6 gal | Root Intrusion | — | Unpaved surface |
| Oct 7, 2021 | 3 gal | Root Intrusion | — | Paved Surface |
| Oct 6, 2021 | 47 gal | Root Intrusion | — | Building or Structure |
| Aug 19, 2021 | 37 gal | Root Intrusion | Yes | Separate Storm Drain |
| Jul 14, 2021 | 9 gal | Equipment Failure | — | Street/Curb and Gutter;Unpaved surface |
| May 31, 2021 | 2 gal | Root Intrusion | — | Paved Surface;Street/Curb and Gutter |
| May 15, 2021 | 22 gal | Equipment Failure | — | Paved Surface;Street/Curb and Gutter;Unpaved surface |
| May 6, 2021 | 26 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Apr 10, 2021 | 27 gal | Root Intrusion | — | Street/Curb and Gutter |
| Apr 6, 2021 | 24K gal | Root Intrusion | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Unpaved surface |
| Mar 29, 2021 | 1 gal | Grease / FOG | — | Paved Surface |
| Mar 18, 2021 | 7 gal | Root Intrusion | — | Unpaved surface |
| Mar 5, 2021 | 30 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Mar 3, 2021 | 6 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Feb 23, 2021 | 22 gal | Root Intrusion | — | Street/Curb and Gutter |
| Feb 22, 2021 | 61 gal | Root Intrusion | — | Unpaved surface |
| Jan 14, 2021 | 32 gal | Root Intrusion | — | Unpaved surface |
| Dec 17, 2020 | 89 gal | Equipment Failure | Yes | Separate Storm Drain;Surface Water |
| Dec 14, 2020 | 14 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter;Unpaved surface |
| Nov 23, 2020 | 448 gal | Root Intrusion | Yes | Separate Storm Drain |
| Nov 20, 2020 | 9 gal | Equipment Failure | — | Building or Structure |
| Sep 7, 2020 | 1 gal | Root Intrusion | — | Unpaved surface |
| Aug 12, 2020 | 3 gal | Other / Unknown | — | Paved Surface;Unpaved surface |
| Aug 4, 2020 | 2 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Jul 16, 2020 | 3 gal | Equipment Failure | — | Paved Surface;Street/Curb and Gutter |
| Jun 10, 2020 | 13 gal | Equipment Failure | — | Unpaved surface |
| May 24, 2020 | 13 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain;Unpaved surface |
| May 19, 2020 | 11 gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| May 2, 2020 | 40 gal | Other / Unknown | — | Separate Storm Drain;Unpaved surface |
| Mar 25, 2020 | 12 gal | Root Intrusion | — | Paved Surface |
| Mar 22, 2020 | 1 gal | Other / Unknown | — | Paved Surface |
| Mar 5, 2020 | 22 gal | Root Intrusion | — | Building or Structure;Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Unpaved surface |
| Mar 4, 2020 | 18 gal | Root Intrusion | — | Unpaved surface |
| Mar 3, 2020 | 27 gal | Equipment Failure | — | Unpaved surface |
| Mar 1, 2020 | 124 gal | Root Intrusion | — | Unpaved surface |
| Feb 25, 2020 | 142 gal | Equipment Failure | — | Paved Surface;Unpaved surface |
| Feb 3, 2020 | 13 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain;Unpaved surface |
| Dec 31, 2019 | 155 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Oct 23, 2019 | 14 gal | Root Intrusion | — | Paved Surface |
| Oct 17, 2019 | 6 gal | Root Intrusion | Yes | Paved Surface;Separate Storm Drain;Unpaved surface |
| Oct 9, 2019 | 1 gal | Root Intrusion | — | Paved Surface |
| Oct 4, 2019 | 12 gal | Other / Unknown | — | Paved Surface;Street/Curb and Gutter;Unpaved surface |
| Sep 27, 2019 | 1 gal | Root Intrusion | — | Building or Structure |
| Sep 27, 2019 | 8 gal | Root Intrusion | — | Unpaved surface |
| Sep 20, 2019 | 206 gal | Root Intrusion | — | Unpaved surface |
| Jul 9, 2019 | 64 gal | Root Intrusion | — | Unpaved surface |
| Jul 9, 2019 | 19 gal | Root Intrusion | — | Street/Curb and Gutter |
| May 13, 2019 | 44 gal | Root Intrusion | — | Building or Structure |
| May 12, 2019 | 34 gal | Root Intrusion | — | Building or Structure |
| Apr 10, 2019 | 18 gal | Root Intrusion | — | Street/Curb and Gutter |
| Mar 16, 2019 | 29 gal | Root Intrusion | — | Building or Structure;Street/Curb and Gutter;Unpaved surface |
| Mar 13, 2019 | 2 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jan 28, 2019 | 5 gal | Equipment Failure | — | Street/Curb and Gutter |
| Jan 5, 2019 | 2 gal | Equipment Failure | — | Building or Structure;Paved Surface |
| Dec 20, 2018 | 1 gal | Equipment Failure | — | Paved Surface;Street/Curb and Gutter |
| Dec 1, 2018 | 2 gal | Root Intrusion | — | Separate Storm Drain |
| Sep 9, 2018 | 34 gal | Equipment Failure | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Aug 20, 2018 | 19 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Jun 10, 2018 | 1 gal | Root Intrusion | — | Paved Surface |
| Jun 7, 2018 | 1 gal | Root Intrusion | — | Paved Surface |
| May 19, 2018 | 26 gal | Root Intrusion | — | Street/Curb and Gutter;Unpaved surface |
| May 14, 2018 | 1 gal | Root Intrusion | — | Building or Structure |
| Apr 23, 2018 | 15 gal | Root Intrusion | — | Building or Structure |
| Apr 5, 2018 | 27 gal | Root Intrusion | Yes | Separate Storm Drain;Unpaved surface |
| Mar 27, 2018 | 73 gal | Other / Unknown | Yes | Paved Surface;Separate Storm Drain |
| Mar 16, 2018 | 17 gal | Root Intrusion | — | Unpaved surface |
| Mar 7, 2018 | 24 gal | Other / Unknown | — | Paved Surface;Street/Curb and Gutter |
| Feb 14, 2018 | 1 gal | Root Intrusion | — | Paved Surface |
| Feb 14, 2018 | 24 gal | Root Intrusion | — | Separate Storm Drain;Street/Curb and Gutter;Unpaved surface |
| Feb 5, 2018 | 36 gal | Equipment Failure | — | Paved Surface;Separate Storm Drain;Unpaved surface |
| Jan 30, 2018 | 8 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Jan 26, 2018 | 108 gal | Root Intrusion | Yes | Surface Water |
| Dec 30, 2017 | 22 gal | Equipment Failure | — | Separate Storm Drain;Street/Curb and Gutter |
| Dec 25, 2017 | 4 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain;Unpaved surface |
| Dec 22, 2017 | 14 gal | Root Intrusion | — | Unpaved surface |
| Dec 22, 2017 | 68 gal | Root Intrusion | Yes | Separate Storm Drain |
| Dec 10, 2017 | 155 gal | Root Intrusion | — | Paved Surface;Separate Storm Drain;Street/Curb and Gutter |
| Dec 5, 2017 | 73 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Nov 25, 2017 | 6 gal | Root Intrusion | — | Unpaved surface |
| Nov 23, 2017 | 235 gal | Other / Unknown | Yes | Surface Water |
| Nov 21, 2017 | 6 gal | Root Intrusion | — | Paved Surface;Street/Curb and Gutter;Unpaved surface |
| Nov 16, 2017 | 7 gal | Equipment Failure | — | Building or Structure;Unpaved surface |
| Nov 13, 2017 | 225 gal | Root Intrusion | — | Unpaved surface |
| Nov 11, 2017 | 309 gal | Root Intrusion | — | Unpaved surface |
| Sep 22, 2017 | 75 gal | Root Intrusion | — | Unpaved surface |
| Sep 15, 2017 | 176 gal | Other / Unknown | — | Paved Surface;Unpaved surface |
| Sep 11, 2017 | 13 gal | Root Intrusion | — | Unpaved surface |
| Sep 11, 2017 | 11 gal | Root Intrusion | — | Unpaved surface |
| Sep 11, 2017 | 210 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Sep 5, 2017 | 54 gal | Root Intrusion | — | Unpaved surface |
| Sep 3, 2017 | 82 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Jul 31, 2017 | 53 gal | Other / Unknown | — | Unpaved surface |
| Jul 18, 2017 | 1 gal | Root Intrusion | — | Building or Structure |
| Jun 28, 2017 | 79 gal | Root Intrusion | — | Paved Surface;Unpaved surface |
| Jun 24, 2017 | 23 gal | Root Intrusion | — | Unpaved surface |
| Jun 21, 2017 | 20 gal | Root Intrusion | — | Unpaved surface |
| Jun 5, 2017 | 34 gal | Grease / FOG | — | Paved Surface;Unpaved surface |
| Mar 17, 2017 | 2 gal | Equipment Failure | — | Paved Surface;Street/Curb and Gutter |
| Mar 17, 2017 | 5 gal | Root Intrusion | — | Unpaved surface |
| Mar 7, 2017 | 47 gal | Equipment Failure | — | Street/Curb and Gutter;Unpaved surface |
| Mar 5, 2017 | 33 gal | Root Intrusion | — | Street/Curb and Gutter;Unpaved surface |
| Feb 20, 2017 | 37K gal | Capacity Issue | Yes | Paved Surface;Separate Storm Drain;Street/Curb and Gutter;Surface Water |
| Jan 5, 2017 | 27 gal | Other / Unknown | — | Paved Surface |
| Mar 12, 2016 | 6K gal | Other / Unknown | Yes | Separate Storm Drain;Unpaved surface |
| Dec 30, 2015 | 260 gal | Other / Unknown | — | Paved Surface |
| Dec 5, 2015 | 600 gal | Root Intrusion | — | Unpaved surface |
| Dec 2, 2015 | 23 gal | Root Intrusion | — | Unpaved surface |
| Nov 29, 2015 | 300 gal | Root Intrusion | — | Unpaved surface |
| Nov 25, 2015 | 33 gal | Root Intrusion | — | Building or Structure |
| Aug 3, 2015 | 13 gal | Equipment Failure | — | Street/Curb and Gutter |
| Dec 28, 2014 | 8 gal | Root Intrusion | — | Street/Curb and Gutter |
| Nov 23, 2014 | 569 gal | Equipment Failure | — | Paved Surface;Street/Curb and Gutter |
| Nov 9, 2014 | 92 gal | Root Intrusion | — | Street/Curb and Gutter |
| Dec 20, 2013 | 5K gal | Root Intrusion | Yes | Street/Curb and Gutter;Surface Water |
| Sep 24, 2013 | 350 gal | Root Intrusion | — | Street/Curb and Gutter;Unpaved surface |
| Aug 24, 2013 | 1K gal | Root Intrusion | — | Unpaved surface |
| Apr 20, 2013 | 20K gal | Other / Unknown | — | Unpaved surface |
| May 24, 2012 | 12 gal | Other / Unknown | — | Unpaved surface |
| May 18, 2012 | 144 gal | Other / Unknown | — | Unpaved surface |
| Sep 23, 2011 | 224 gal | Root Intrusion | — | Other paved surface;Street/curb and gutter |
| Apr 23, 2010 | 500 gal | Root Intrusion | — | Unpaved surface |
| Aug 3, 2009 | 150 gal | Root Intrusion | — | Storm drain;Street/curb and gutter |
| Apr 24, 2009 | 11 gal | Other / Unknown | — | Unpaved surface |
| Dec 28, 2008 | 10 gal | Root Intrusion | — | Street/curb and gutter |
| Nov 20, 2008 | 20 gal | Root Intrusion | — | Unpaved surface |
| Jun 1, 2008 | 10 gal | Root Intrusion | — | Street/curb and gutter |
| Jan 18, 2008 | 50 gal | Other / Unknown | — | Storm drain |
| Oct 6, 2007 | 30 gal | Root Intrusion | — | Other (specify below) |
| Sep 7, 2007 | 30 gal | Root Intrusion | Yes | Storm drain |
Source: California (CIWQS). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.