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Maryland · Maryland (MDE)
LITTLE PATUXENT WRP COLLECTION SYSTEM
Permit MDC055174
—
No waterway impact reported
Reported events
43
Total volume
1.2M gal
Reached waterways
0 (0%)
Reporting since
2023
What caused the overflows
Other / Unknown
43
Reported overflow events (showing 43 of 43)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Jun 1, 2026 | 500 gal | Other / Unknown | — | Grassy area. |
| May 1, 2026 | 750 gal | Other / Unknown | — | Little Patuxent River. |
| May 1, 2026 | 1K gal | Other / Unknown | — | Little Patuxent River |
| Mar 21, 2026 | 375 gal | Other / Unknown | — | UT to Little Patuxent River flowing into Elkhorn Lake, Use Class IV-P |
| Jan 29, 2026 | 1K gal | Other / Unknown | — | driveway |
| Jan 22, 2026 | 200 gal | Other / Unknown | — | into wooded area then into Hammond Branch tributary |
| Jan 3, 2026 | 80 gal | Other / Unknown | — | Nearby storm drain. |
| Dec 27, 2025 | 500 gal | Other / Unknown | — | Nearest waterway is UT to Middle Patuxent River, b/t confluence w/ Carrolls Branch and Little Patuxent River |
| Dec 15, 2025 | 250 gal | Other / Unknown | — | grassy area |
| Dec 2, 2025 | 100 gal | Other / Unknown | — | Absorbed into ground before reaching Little Patuxent River |
| Aug 31, 2025 | 250 gal | Other / Unknown | — | Nearest waterway is Middle Patuxent River use class IV-P |
| Aug 27, 2025 | 100 gal | Other / Unknown | — | None. |
| Aug 20, 2025 | 200 gal | Other / Unknown | — | Starts off from manhole in grassy, wooded area-then leads to a tributary to Sucker Branch. |
| Jul 31, 2025 | 550 gal | Other / Unknown | — | Tributary of Little Patuxent River |
| Jun 25, 2025 | 300 gal | Other / Unknown | — | Nearby tributary of the Little Patuxent River. |
| Jun 15, 2025 | 4K gal | Other / Unknown | — | Retaining pond connecting to the Little Patuxent River waterway. |
| May 7, 2025 | 1.0M gal | Other / Unknown | — | Little Patuxent River, Sewer main line break Incident: Separation in 14: A.C.P.-Multiple sections of pipe exposed in stream |
| Jan 8, 2025 | 150 gal | Other / Unknown | — | tributary to the Little Patuxent |
| Jan 2, 2025 | 50 gal | Other / Unknown | — | N/A No waterway involved or affected. |
| Jan 1, 2025 | 350 gal | Other / Unknown | — | No/None |
| Dec 8, 2024 | 500 gal | Other / Unknown | — | Overflow did enter nearby storm drain |
| Oct 18, 2024 | 250 gal | Other / Unknown | — | Storm Drain leading to a Middle Patuxent River Branch |
| Oct 18, 2024 | 250 gal | Other / Unknown | — | Storm Drain leading to tributary to Little Patuxent River Columbia MD 21049 |
| Oct 7, 2024 | 1K gal | Other / Unknown | — | Small portion (est) reached a nearby storm drain and ultimately Little Patuxent Small puddle discovered 4:0 pm of 10/7/24, Overflow, possible leak from underground tank and or a pipe connected to the tank diagnosed am of 10/8/24 at rate of 1 gal/min |
| May 10, 2024 | 50 gal | Other / Unknown | — | Went into a storm drain and then into a retention pond. Per MDEM. |
| Mar 24, 2024 | 5K gal | Other / Unknown | — | Tributary of the Little Patuxent River |
| Mar 24, 2024 | 5K gal | Other / Unknown | — | Tributary of the Little Patuxent River |
| Mar 15, 2024 | 250 gal | Other / Unknown | — | N/A |
| Mar 14, 2024 | 240 gal | Other / Unknown | — | Deep Run |
| Feb 24, 2024 | 50 gal | Other / Unknown | — | Tributary of the Little Patuxent River |
| Jan 17, 2024 | 200 gal | Other / Unknown | — | Little Patuxent. Overflow was described as flowing across the street to a grassy area. |
| Jan 9, 2024 | 139K gal | Other / Unknown | — | Little Patuxent River |
| Nov 23, 2023 | 500 gal | Other / Unknown | — | Beaver Run Branch |
| Nov 23, 2023 | 500 gal | Other / Unknown | — | Beaver Run Branch |
| Oct 23, 2023 | 1K gal | Other / Unknown | — | Hammond Branch, about 500-1000 feet away from the SSO location |
| Sep 27, 2023 | 500 gal | Other / Unknown | — | The overflow never reached a surface body of water. It ponded around the tank area. |
| Jul 20, 2023 | 9K gal | Other / Unknown | — | Tributary of Patapsco River. |
| Jul 10, 2023 | 100 gal | Other / Unknown | — | Storm Drain |
| May 6, 2023 | 3K gal | Other / Unknown | — | Deep Run |
| May 6, 2023 | 3K gal | Other / Unknown | — | Storm drain leading to Deep Run. |
| Apr 20, 2023 | 200 gal | Other / Unknown | — | Unnamed stream which flows into a holding pond. |
| Apr 10, 2023 | 100 gal | Other / Unknown | — | Little Patuxent River |
| Mar 22, 2023 | 100 gal | Other / Unknown | — | No waterway, only grassy area. |
Source: Maryland (MDE). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.