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Maryland · Maryland (MDE)
John J. DiFonzo (Cumberland) WRF & Collection System
Permit MD0021598
—
No waterway impact reported
Reported events
166
Total volume
1.1B gal
Reached waterways
0 (0%)
Reporting since
2023
What caused the overflows
Other / Unknown
166
Reported overflow events (showing 166 of 166)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Jun 26, 2026 | 87K gal | Other / Unknown | — | Wills Creek and the Potomac River |
| Jun 22, 2026 | 208K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Jun 18, 2026 | 150K gal | Other / Unknown | — | Potomac River |
| Jun 14, 2026 | 2K gal | Other / Unknown | — | Wills Creek |
| Jun 14, 2026 | 2K gal | Other / Unknown | — | Wills Creek |
| Jun 11, 2026 | 58K gal | Other / Unknown | — | Nearest waterbody is Wills Creek (Use IV-P - Drinking water) |
| Jun 10, 2026 | 12K gal | Other / Unknown | — | Wills Creek & Potomac River |
| May 27, 2026 | 6.1M gal | Other / Unknown | — | Wills Creek & Potomac River |
| May 22, 2026 | 3.9M gal | Other / Unknown | — | Wills Creek and Potomac River |
| May 21, 2026 | 490K gal | Other / Unknown | — | Wills Creek, use IV-P & Potomac River |
| May 20, 2026 | 139K gal | Other / Unknown | — | Potomac River & Wills Creek |
| May 18, 2026 | 2K gal | Other / Unknown | — | Wills Creek |
| May 13, 2026 | 127K gal | Other / Unknown | — | According to MDEM, Cumberland stated the CSO enter Wills Creek and pipe empties out to Wills Creek Potomac River |
| Apr 29, 2026 | 3.3M gal | Other / Unknown | — | Potomac River & Wills Creek |
| Apr 25, 2026 | 72K gal | Other / Unknown | — | Potomac River, Wills Creek |
| Apr 5, 2026 | 3K gal | Other / Unknown | — | Will's Creek |
| Apr 2, 2026 | 2K gal | Other / Unknown | — | Potomac River |
| Apr 1, 2026 | 13K gal | Other / Unknown | — | Wills Creek |
| Mar 27, 2026 | 160K gal | Other / Unknown | — | Storm Drains and Road Side Ditches, Potomac River & WIlls Creek |
| Mar 23, 2026 | 43K gal | Other / Unknown | — | 6700 gallons since 01:52 at 02:12 |
| Feb 19, 2026 | 6.5M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Jan 10, 2026 | 5K gal | Other / Unknown | — | Will's Creek |
| Nov 25, 2025 | 2K gal | Other / Unknown | — | Wills Creek |
| Nov 3, 2025 | 8K gal | Other / Unknown | — | Wills Creek |
| Oct 30, 2025 | 2.4M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Oct 7, 2025 | 203K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Sep 23, 2025 | 28K gal | Other / Unknown | — | Potomac River & Wills Creek |
| Sep 17, 2025 | 11K gal | Other / Unknown | — | Wills Creek |
| Aug 24, 2025 | 500 gal | Other / Unknown | — | Wills Creek |
| Aug 13, 2025 | 256K gal | Other / Unknown | — | Potomac River and Wills Creek |
| Jul 31, 2025 | 3.4M gal | Other / Unknown | — | Potomac River and Wills Creek |
| Jul 26, 2025 | 2.0M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Jul 20, 2025 | 76K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Jul 18, 2025 | 863K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Jul 16, 2025 | 101K gal | Other / Unknown | — | Potomac River and Wills Creek |
| Jul 14, 2025 | 395K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Jul 9, 2025 | 257K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Jul 8, 2025 | 60K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Jul 1, 2025 | 41K gal | Other / Unknown | — | Potomac River and Wills Creek |
| Jun 30, 2025 | 105K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Jun 26, 2025 | 63K gal | Other / Unknown | — | Potomac River and Wills Creek |
| Jun 17, 2025 | 112K gal | Other / Unknown | — | Wills Creek |
| Jun 17, 2025 | 98K gal | Other / Unknown | — | Potomac River and Wills Creek |
| Jun 15, 2025 | 615K gal | Other / Unknown | — | Potomac River and Wills Creek |
| Jun 8, 2025 | 4.7M gal | Other / Unknown | — | Potomac River and Wills Creek |
| Jun 7, 2025 | 8K gal | Other / Unknown | — | Wills Creek |
| Jun 6, 2025 | 3.2M gal | Other / Unknown | — | Potomac River and Wills Creek |
| May 30, 2025 | 38.6M gal | Other / Unknown | — | Wills Creek |
| May 30, 2025 | 38.6M gal | Other / Unknown | — | Potomac River and Wills Creek |
| May 27, 2025 | 40.7M gal | Other / Unknown | — | Wills Creek & Potomac River |
| May 27, 2025 | 40.7M gal | Other / Unknown | — | Potomac River and Wills Creek |
| May 16, 2025 | 2.0M gal | Other / Unknown | — | Wills Creek & Potomac River |
| May 14, 2025 | 2.0M gal | Other / Unknown | — | Potomac River and Wills Creek |
| May 13, 2025 | 772.2M gal | Other / Unknown | — | Will's Creek & Potomac River |
| May 8, 2025 | 500 gal | Other / Unknown | — | Wills Creek, Use Class IV-P |
| May 5, 2025 | 3.2M gal | Other / Unknown | — | Potomac River, Wills Creek |
| May 1, 2025 | 4.1M gal | Other / Unknown | — | Wills Creek, Potomac River |
| Apr 25, 2025 | 96K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Apr 6, 2025 | 1K gal | Other / Unknown | — | Wills Creek |
| Apr 3, 2025 | 119K gal | Other / Unknown | — | Potomac River & Wills Creek |
| Mar 31, 2025 | 7K gal | Other / Unknown | — | Potomac River |
| Mar 16, 2025 | 80K gal | Other / Unknown | — | Potomac River, Wills Creek |
| Mar 5, 2025 | 1.9M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Feb 16, 2025 | 10K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Feb 15, 2025 | 3K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Feb 8, 2025 | 72K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Feb 6, 2025 | 566K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Feb 5, 2025 | 500 gal | Other / Unknown | — | Unnamed tributary to Wills Creek |
| Dec 29, 2024 | 900 gal | Other / Unknown | — | Potomac River |
| Dec 11, 2024 | 32K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Dec 11, 2024 | 32K gal | Other / Unknown | — | Potomac River, Wills Creek |
| Nov 20, 2024 | 28K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Nov 10, 2024 | 34K gal | Other / Unknown | — | Wills Creek and Potomac River |
| Sep 30, 2024 | 2.1M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Sep 23, 2024 | 20K gal | Other / Unknown | — | Wills Creek |
| Sep 18, 2024 | 45K gal | Other / Unknown | — | Wills Creek and Potomac River |
| Aug 31, 2024 | 1.2M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Aug 29, 2024 | 1.6M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Aug 8, 2024 | — | Other / Unknown | — | Braddock Run (designated use III-P waters) |
| Aug 8, 2024 | 10.2M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Aug 6, 2024 | 68K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Aug 3, 2024 | 270K gal | Other / Unknown | — | Wills Creek and Potomac River |
| Jul 30, 2024 | 1K gal | Other / Unknown | — | Wills Creek |
| Jul 17, 2024 | 6K gal | Other / Unknown | — | Potomac River |
| Jul 17, 2024 | 6K gal | Other / Unknown | — | Potomac River |
| Jul 5, 2024 | 18K gal | Other / Unknown | — | Wills Creek |
| Jun 26, 2024 | 144K gal | Other / Unknown | — | Wills Creek and Potomac River |
| Jun 14, 2024 | 24K gal | Other / Unknown | — | Potomac River & Wills Creek |
| Jun 5, 2024 | 1.2M gal | Other / Unknown | — | Potomac River & Wills Creek |
| Jun 4, 2024 | 144K gal | Other / Unknown | — | Wills Creek & Potomac River |
| May 29, 2024 | 20K gal | Other / Unknown | — | Potomac River |
| May 26, 2024 | 778K gal | Other / Unknown | — | Potomac River & Wills Creek |
| May 18, 2024 | 320K gal | Other / Unknown | — | Wills Creek & Potomac River |
| May 13, 2024 | 19K gal | Other / Unknown | — | Wills Creek |
| May 11, 2024 | 713K gal | Other / Unknown | — | Wills Creek and Potomac River |
| May 9, 2024 | 924K gal | Other / Unknown | — | Will Creek & Potomac River |
| May 6, 2024 | 102K gal | Other / Unknown | — | Wills Creek |
| May 3, 2024 | 27K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Apr 27, 2024 | 117K gal | Other / Unknown | — | WIlls Creek and Potomac River |
| Apr 17, 2024 | 15K gal | Other / Unknown | — | Wills Creek |
| Apr 12, 2024 | 132K gal | Other / Unknown | — | Wills Creek |
| Apr 11, 2024 | 549K gal | Other / Unknown | — | Wills Creek and Potomac River |
| Apr 3, 2024 | 2.4M gal | Other / Unknown | — | Potomac River, Wills Creek, Evitts Creek |
| Apr 2, 2024 | 52.2M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Apr 1, 2024 | 906K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Mar 30, 2024 | 45K gal | Other / Unknown | — | Wills Creek |
| Mar 23, 2024 | 2K gal | Other / Unknown | — | Wills Creek |
| Mar 15, 2024 | 228K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Mar 9, 2024 | 20.2M gal | Other / Unknown | — | Wills Creek, Potomac River, Evitts Creek |
| Mar 1, 2024 | 2.1M gal | Other / Unknown | — | Wills Creek and Potomac River |
| Feb 28, 2024 | 120K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Feb 27, 2024 | 61K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Feb 22, 2024 | 2.3M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Feb 12, 2024 | 10.7M gal | Other / Unknown | — | Will Creek & Potomac River |
| Jan 27, 2024 | 4.6M gal | Other / Unknown | — | Willis Creek & Potomac River |
| Jan 19, 2024 | 256K gal | Other / Unknown | — | Wills Creek |
| Jan 12, 2024 | 729K gal | Other / Unknown | — | Wills Creek and Potomac River |
| Jan 7, 2024 | 0 gal | Other / Unknown | — | Wills Creek |
| Dec 26, 2023 | 144K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Dec 17, 2023 | 19K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Nov 21, 2023 | 9.6M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Oct 20, 2023 | 700 gal | Other / Unknown | — | Potomac River |
| Oct 14, 2023 | 124K gal | Other / Unknown | — | Wills Creek and North Branch Potomac River |
| Oct 6, 2023 | 25K gal | Other / Unknown | — | Potomac River |
| Oct 6, 2023 | 27K gal | Other / Unknown | — | Wills Creek |
| Oct 6, 2023 | 18K gal | Other / Unknown | — | Potomac River |
| Oct 6, 2023 | 45K gal | Other / Unknown | — | Potomac River |
| Oct 6, 2023 | 23K gal | Other / Unknown | — | Wills Creek |
| Oct 6, 2023 | 37K gal | Other / Unknown | — | Wills Creek |
| Sep 23, 2023 | 1.6M gal | Other / Unknown | — | Wills Creek & Potomac River |
| Sep 17, 2023 | 150K gal | Other / Unknown | — | Potomac River & Wills Creek |
| Sep 9, 2023 | 2.6M gal | Other / Unknown | — | Potomac River & Wills Creek |
| Sep 8, 2023 | 79K gal | Other / Unknown | — | Potomac River and Wills Creek |
| Sep 7, 2023 | 28K gal | Other / Unknown | — | Wills Creek and Potomac River |
| Aug 29, 2023 | 17K gal | Other / Unknown | — | Wills Creek |
| Aug 28, 2023 | 7K gal | Other / Unknown | — | Wills Creek |
| Aug 18, 2023 | 2K gal | Other / Unknown | — | Potomac River & Wills Creek |
| Aug 12, 2023 | 4K gal | Other / Unknown | — | Wills Creek |
| Aug 10, 2023 | 312K gal | Other / Unknown | — | Wills Creek and Potomac River |
| Aug 7, 2023 | 181K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Aug 6, 2023 | 29K gal | Other / Unknown | — | Wills Creek |
| Aug 4, 2023 | 25K gal | Other / Unknown | — | Wills Creek/North Branch Potomac River |
| Aug 3, 2023 | 5K gal | Other / Unknown | — | Wills Creek |
| Jul 21, 2023 | 164K gal | Other / Unknown | — | Potomac River & Will Creek |
| Jul 14, 2023 | 5.5M gal | Other / Unknown | — | Potomac River and Wills Creek |
| Jul 9, 2023 | 242K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Jul 1, 2023 | 930K gal | Other / Unknown | — | Wills Creek and Potomac River |
| Jun 27, 2023 | 2K gal | Other / Unknown | — | Wills Creek |
| Jun 26, 2023 | 867K gal | Other / Unknown | — | Potomac River & Wills Creek |
| Jun 22, 2023 | 337K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Jun 4, 2023 | 216K gal | Other / Unknown | — | Potomac River and Wills Creek |
| May 13, 2023 | 7K gal | Other / Unknown | — | Potomac River & Wills Creek |
| May 7, 2023 | 2K gal | Other / Unknown | — | Potomac River |
| Apr 29, 2023 | 2.1M gal | Other / Unknown | — | Potomac River and Wills Creek |
| Apr 28, 2023 | 514K gal | Other / Unknown | — | Wills Creek, Potomac River |
| Apr 22, 2023 | 19K gal | Other / Unknown | — | Wills Creek |
| Apr 16, 2023 | 75K gal | Other / Unknown | — | Wills Creek & Potomac River |
| Apr 15, 2023 | 800 gal | Other / Unknown | — | Wills Creek |
| Apr 5, 2023 | 45K gal | Other / Unknown | — | Wills Creek |
| Apr 1, 2023 | 36K gal | Other / Unknown | — | Wills Creek |
| Mar 3, 2023 | 7.7M gal | Other / Unknown | — | Wills Creek |
| Mar 2, 2023 | 1K gal | Other / Unknown | — | Wills Creek |
| Mar 2, 2023 | 600 gal | Other / Unknown | — | Wills Creek |
| Feb 27, 2023 | 6.8M gal | Other / Unknown | — | Potomac River, Wills Creek, Evitts Creek |
| Feb 21, 2023 | 35K gal | Other / Unknown | — | Wills Creek |
| Feb 16, 2023 | 16K gal | Other / Unknown | — | Wills Creek |
Source: Maryland (MDE). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.