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Maryland · Maryland (MDE)
Piscataway WRRF Collection System
Permit MDC021539
—
No waterway impact reported
Reported events
35
Total volume
14K gal
Reached waterways
0 (0%)
Reporting since
2023
What caused the overflows
Other / Unknown
35
Reported overflow events (showing 35 of 35)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| May 31, 2026 | 80 gal | Other / Unknown | — | Broad Creek |
| Apr 2, 2026 | 30 gal | Other / Unknown | — | SSO did not enter the "waters of the State." Contained to ground in surrounding area only. 1 gpm estimated volume. |
| Mar 9, 2026 | 116 gal | Other / Unknown | — | Broad Creek |
| Mar 9, 2026 | 50 gal | Other / Unknown | — | Broad Creek |
| Feb 12, 2026 | 1K gal | Other / Unknown | — | Sawn Creek. 80% of 1000 gallons to ground water and 20% to creek. Soils treated with lime. |
| Nov 15, 2025 | 350 gal | Other / Unknown | — | Broad Creek |
| Nov 4, 2025 | 648 gal | Other / Unknown | — | Entered a storm drain that leads to Little Paint Branch. |
| Aug 27, 2025 | 702 gal | Other / Unknown | — | Western Branch |
| Jul 19, 2025 | 698 gal | Other / Unknown | — | Cabin John Creek then flows to Potomac River |
| Jun 30, 2025 | 95 gal | Other / Unknown | — | Broad Creek |
| Jun 10, 2025 | 250 gal | Other / Unknown | — | Piscataway Creek |
| Apr 14, 2025 | 1K gal | Other / Unknown | — | Unnamed tributary to Henson Creek, Use Class I |
| Apr 10, 2025 | 224 gal | Other / Unknown | — | Broad Creek |
| Feb 17, 2025 | 50 gal | Other / Unknown | — | Piscataway Creek |
| Dec 18, 2024 | 107 gal | Other / Unknown | — | tributary of Piscataway Creek |
| Dec 14, 2024 | 10 gal | Other / Unknown | — | Did not enter any waterways |
| Nov 14, 2024 | 115 gal | Other / Unknown | — | Broad Creek |
| Jun 29, 2024 | 1K gal | Other / Unknown | — | Coquelin Run, a tributary of Rock Creek at a rate of 8 - 10 gpm |
| Mar 12, 2024 | 2 gal | Other / Unknown | — | Oxon Run Basin |
| Mar 8, 2024 | 178 gal | Other / Unknown | — | Tributary of Henson Creek |
| Feb 29, 2024 | — | Other / Unknown | — | May be reaching Swan Creek and the Potomac at Fort Washington, PG CO ? Sewer is shared by nearby owner that connects to main. Has been reported it has been leaking for years.(George Hughes) |
| Dec 27, 2023 | 505 gal | Other / Unknown | — | Piscataway Creek |
| Dec 18, 2023 | 500 gal | Other / Unknown | — | Piscataway Creek |
| Dec 18, 2023 | 500 gal | Other / Unknown | — | Piscataway Creek |
| Nov 13, 2023 | 55 gal | Other / Unknown | — | Piscataway Creek |
| Nov 13, 2023 | 317 gal | Other / Unknown | — | Northeast Branch |
| Nov 9, 2023 | 189 gal | Other / Unknown | — | Piscataway Creek |
| Oct 19, 2023 | 452 gal | Other / Unknown | — | Piscataway Creek |
| Sep 5, 2023 | 421 gal | Other / Unknown | — | Tributary of Oxon Run |
| Jun 14, 2023 | 1K gal | Other / Unknown | — | trib to Piscataway Creek |
| Jun 5, 2023 | 320 gal | Other / Unknown | — | tributary of Northwest Branch |
| May 19, 2023 | 87 gal | Other / Unknown | — | NONE - Grassy area only. |
| Apr 29, 2023 | 173 gal | Other / Unknown | — | Piscataway Creek |
| Mar 31, 2023 | 546 gal | Other / Unknown | — | tributary of Western Branch |
| Mar 29, 2023 | 730 gal | Other / Unknown | — | Broad Creek Note; WSSC rep didn't have OCS name, thinks from location it may be Piscataway WWTP. |
Source: Maryland (MDE). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.