All rankings
Maryland · Maryland (MDE)
North Branch Collection System
Permit MDC002625
—
No waterway impact reported
Reported events
87
Total volume
9.5M gal
Reached waterways
0 (0%)
Reporting since
2023
What caused the overflows
Other / Unknown
87
Reported overflow events (showing 87 of 87)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| May 27, 2026 | 75K gal | Other / Unknown | — | Elk Lick Run |
| May 27, 2026 | 162K gal | Other / Unknown | — | Wills Creek |
| May 27, 2026 | 162K gal | Other / Unknown | — | Jennings Run |
| May 27, 2026 | 75K gal | Other / Unknown | — | Elk Lick Run |
| May 23, 2026 | 210K gal | Other / Unknown | — | Wills Creek |
| May 22, 2026 | 471K gal | Other / Unknown | — | North Branch Potomac River |
| May 22, 2026 | 57K gal | Other / Unknown | — | Elk Lick Run |
| May 22, 2026 | 57K gal | Other / Unknown | — | Elk Lick Run |
| May 22, 2026 | 471K gal | Other / Unknown | — | Warrior Run |
| Apr 29, 2026 | 11K gal | Other / Unknown | — | Elk Lick Run |
| Apr 29, 2026 | 21K gal | Other / Unknown | — | North Branch Potomac River |
| Apr 29, 2026 | 21K gal | Other / Unknown | — | Warrior Run |
| Apr 29, 2026 | 11K gal | Other / Unknown | — | Elk Lick Run |
| Feb 20, 2026 | 39K gal | Other / Unknown | — | Elk Lick Run |
| Feb 20, 2026 | 51K gal | Other / Unknown | — | Wills Creek |
| Feb 20, 2026 | 51K gal | Other / Unknown | — | Jennings Run |
| Feb 20, 2026 | 86K gal | Other / Unknown | — | North Branch Potomac River |
| Feb 20, 2026 | 86K gal | Other / Unknown | — | Warrior Run |
| Feb 20, 2026 | 39K gal | Other / Unknown | — | Elk Lick Run |
| Oct 30, 2025 | 15K gal | Other / Unknown | — | North Branch Potomac River |
| Oct 30, 2025 | 15K gal | Other / Unknown | — | Warrior Run |
| Aug 1, 2025 | 26K gal | Other / Unknown | — | Warrior Run |
| Aug 1, 2025 | 26K gal | Other / Unknown | — | North Branch Potomac River |
| Jul 19, 2025 | 96K gal | Other / Unknown | — | Warrior Run |
| May 13, 2025 | — | Other / Unknown | — | Warrior Run |
| May 13, 2025 | — | Other / Unknown | — | North Branch Potomac River |
| May 9, 2025 | 53K gal | Other / Unknown | — | North Branch Potomac River |
| May 9, 2025 | 53K gal | Other / Unknown | — | Warrior Run |
| May 6, 2025 | 83K gal | Other / Unknown | — | Jennings Run |
| May 6, 2025 | 68K gal | Other / Unknown | — | Warrior Run |
| May 6, 2025 | 83K gal | Other / Unknown | — | Wills Creek |
| May 6, 2025 | 68K gal | Other / Unknown | — | North Branch Potomac River |
| May 2, 2025 | 92K gal | Other / Unknown | — | Warrior Run |
| May 2, 2025 | 92K gal | Other / Unknown | — | North Branch Potomac River |
| Feb 15, 2025 | 170K gal | Other / Unknown | — | North Branch Potomac River |
| Feb 15, 2025 | 161K gal | Other / Unknown | — | Warrior Run |
| Feb 6, 2025 | 60K gal | Other / Unknown | — | North Branch Potomac River |
| Feb 6, 2025 | 60K gal | Other / Unknown | — | Warrior Run |
| Sep 30, 2024 | 128K gal | Other / Unknown | — | North Branch Potomac River |
| Sep 30, 2024 | 20K gal | Other / Unknown | — | Elk Lick Run |
| Sep 30, 2024 | 20K gal | Other / Unknown | — | Elk Lick Run |
| Sep 30, 2024 | 113K gal | Other / Unknown | — | Warrior Run |
| Aug 9, 2024 | 36K gal | Other / Unknown | — | Warrior Run |
| Aug 9, 2024 | 36K gal | Other / Unknown | — | North Branch Potomac River |
| Aug 9, 2024 | 33K gal | Other / Unknown | — | Elk Lick Run |
| Aug 9, 2024 | 33K gal | Other / Unknown | — | Elk Lick Run |
| Jun 5, 2024 | 66K gal | Other / Unknown | — | North Branch Potomac River |
| Apr 2, 2024 | 287K gal | Other / Unknown | — | Jennings Run |
| Apr 2, 2024 | 231K gal | Other / Unknown | — | Wills Creek |
| Apr 2, 2024 | 188K gal | Other / Unknown | — | Elk Lick Run |
| Apr 2, 2024 | 188K gal | Other / Unknown | — | Elk Lick Run |
| Apr 2, 2024 | 287K gal | Other / Unknown | — | Wills Creek |
| Apr 1, 2024 | 401K gal | Other / Unknown | — | North Branch Potomac River |
| Apr 1, 2024 | 401K gal | Other / Unknown | — | Warrior Run |
| Mar 9, 2024 | 152K gal | Other / Unknown | — | Wills Creek |
| Mar 9, 2024 | 152K gal | Other / Unknown | — | Jennings Run |
| Mar 2, 2024 | 149K gal | Other / Unknown | — | Warrior Run |
| Mar 2, 2024 | 23K gal | Other / Unknown | — | Elk Lick Run |
| Mar 2, 2024 | 23K gal | Other / Unknown | — | Elk Lick Run |
| Mar 2, 2024 | 209K gal | Other / Unknown | — | North Branch Potomac River |
| Feb 28, 2024 | 108K gal | Other / Unknown | — | North Branch Potomac River |
| Feb 28, 2024 | 108K gal | Other / Unknown | — | Warrior Run |
| Feb 22, 2024 | 29K gal | Other / Unknown | — | Elk Lick Run |
| Feb 22, 2024 | 164K gal | Other / Unknown | — | North Branch Potomac River |
| Feb 22, 2024 | 164K gal | Other / Unknown | — | Warrior Run |
| Feb 22, 2024 | 29K gal | Other / Unknown | — | Elk Lick Run |
| Feb 13, 2024 | 60K gal | Other / Unknown | — | Elk Lick Run |
| Feb 13, 2024 | 96K gal | Other / Unknown | — | Wills Creek |
| Feb 13, 2024 | 93K gal | Other / Unknown | — | Jennings Run |
| Feb 13, 2024 | 156K gal | Other / Unknown | — | North Branch Potomac River |
| Feb 13, 2024 | 156K gal | Other / Unknown | — | Warrior Run. See 5 day letter |
| Feb 13, 2024 | 60K gal | Other / Unknown | — | Elk Lick Run |
| Jan 28, 2024 | 62K gal | Other / Unknown | — | Elk Lick Run |
| Jan 28, 2024 | 29K gal | Other / Unknown | — | Wills Creek |
| Jan 28, 2024 | 62K gal | Other / Unknown | — | Elk Lick Run |
| Jan 28, 2024 | 128K gal | Other / Unknown | — | Wills Creek |
| Jan 28, 2024 | 128K gal | Other / Unknown | — | Jennings Run |
| Jan 26, 2024 | 341K gal | Other / Unknown | — | Warrior Run |
| Jan 26, 2024 | 341K gal | Other / Unknown | — | North Branch Potomac River |
| Nov 21, 2023 | 66K gal | Other / Unknown | — | Warrior Run |
| Nov 21, 2023 | 35K gal | Other / Unknown | — | Elk Lick Run |
| Nov 21, 2023 | 35K gal | Other / Unknown | — | Elk Lick Run |
| Nov 21, 2023 | 66K gal | Other / Unknown | — | North Branch Potomac River |
| Sep 23, 2023 | 48K gal | Other / Unknown | — | North Branch Potomac River |
| Apr 28, 2023 | 90K gal | Other / Unknown | — | North Branch Potomac River |
| Feb 28, 2023 | 138K gal | Other / Unknown | — | North Branch Potomac River |
| Feb 28, 2023 | 138K gal | Other / Unknown | — | Warrior Run |
Source: Maryland (MDE). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.