All rankings
Maryland · Maryland (MDE)
Myersville WWTP
Permit N/A
—
No waterway impact reported
Reported events
56
Total volume
11.5M gal
Reached waterways
0 (0%)
Reporting since
2006
What caused the overflows
Rainfall / Flooding
35
Other / Unknown
17
Equipment Failure
4
Reported overflow events (showing 56 of 56)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| May 21, 2026 | 2.8M gal | Other / Unknown | — | Grindstone Run |
| Feb 20, 2026 | 6.8M gal | Other / Unknown | — | Grindstone Run |
| May 10, 2025 | — | Other / Unknown | — | Grindstone Run, confluent to Catoctin Creek. Use Class III-P water ( public water supply) |
| May 10, 2025 | — | Other / Unknown | — | Grindstone Run |
| May 4, 2025 | 188K gal | Other / Unknown | — | Grindstone Run |
| Apr 9, 2025 | 310K gal | Other / Unknown | — | Grind Stone Run |
| Apr 2, 2024 | 1.1M gal | Other / Unknown | — | Grindstone Run |
| Mar 10, 2024 | 213K gal | Other / Unknown | — | Grindstone Run |
| Feb 22, 2022 | — | Equipment Failure | — | — |
| Sep 23, 2021 | — | Rainfall / Flooding | — | — |
| Sep 1, 2021 | — | Rainfall / Flooding | — | — |
| Jan 6, 2021 | — | Other / Unknown | — | — |
| Jan 2, 2021 | — | Rainfall / Flooding | — | — |
| Dec 25, 2020 | — | Rainfall / Flooding | — | — |
| Apr 30, 2020 | — | Rainfall / Flooding | — | — |
| Aug 8, 2019 | — | Other / Unknown | — | — |
| Jan 25, 2018 | — | Other / Unknown | — | — |
| Jan 13, 2018 | — | Other / Unknown | — | — |
| Jan 13, 2018 | — | Rainfall / Flooding | — | — |
| Apr 27, 2017 | — | Other / Unknown | — | — |
| Jan 31, 2013 | — | Rainfall / Flooding | — | — |
| Oct 30, 2012 | — | Rainfall / Flooding | — | — |
| Oct 29, 2012 | — | Rainfall / Flooding | — | — |
| Oct 29, 2012 | — | Rainfall / Flooding | — | — |
| Sep 18, 2012 | — | Rainfall / Flooding | — | — |
| Jan 29, 2012 | — | Rainfall / Flooding | — | — |
| Dec 7, 2011 | — | Rainfall / Flooding | — | — |
| Nov 23, 2011 | — | Rainfall / Flooding | — | — |
| Apr 16, 2011 | — | Rainfall / Flooding | — | — |
| Sep 30, 2010 | — | Other / Unknown | — | — |
| May 23, 2010 | — | Rainfall / Flooding | — | — |
| Mar 13, 2010 | — | Rainfall / Flooding | — | — |
| Jan 25, 2010 | — | Rainfall / Flooding | — | — |
| Dec 26, 2009 | — | Rainfall / Flooding | — | — |
| Dec 12, 2008 | — | Rainfall / Flooding | — | — |
| Sep 6, 2008 | — | Rainfall / Flooding | — | — |
| May 17, 2008 | — | Rainfall / Flooding | — | — |
| May 13, 2008 | — | Other / Unknown | — | — |
| May 12, 2008 | — | Rainfall / Flooding | — | — |
| Apr 27, 2008 | — | Rainfall / Flooding | — | — |
| Apr 20, 2008 | — | Rainfall / Flooding | — | — |
| Dec 16, 2007 | — | Rainfall / Flooding | — | — |
| Aug 20, 2007 | — | Other / Unknown | — | — |
| Jul 23, 2007 | — | Equipment Failure | — | — |
| May 11, 2007 | — | Equipment Failure | — | — |
| May 9, 2007 | — | Equipment Failure | — | — |
| Apr 16, 2007 | — | Rainfall / Flooding | — | — |
| Apr 15, 2007 | — | Rainfall / Flooding | — | — |
| Mar 16, 2007 | — | Rainfall / Flooding | — | — |
| Feb 28, 2007 | — | Rainfall / Flooding | — | — |
| Feb 23, 2007 | — | Rainfall / Flooding | — | — |
| Jan 9, 2007 | — | Rainfall / Flooding | — | — |
| Dec 22, 2006 | — | Rainfall / Flooding | — | — |
| Sep 1, 2006 | — | Other / Unknown | — | — |
| Jun 26, 2006 | — | Rainfall / Flooding | — | — |
| Jun 26, 2006 | — | Rainfall / Flooding | — | — |
Source: Maryland (MDE). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.