All rankings
South Dakota · EPA ECHO (national)
Aberdeen, City of SSCS
Permit SD0020702
—
No waterway impact reported
Reported events
11
Total volume
2.8B gal
Reached waterways
0 (0%)
Reporting since
2023
What caused the overflows
Equipment Failure
7
Other / Unknown
3
Grease / FOG
1
Reported overflow events (showing 11 of 11)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Jun 25, 2026 | 30 gal | Equipment Failure | — | — |
| Mar 23, 2026 | 2.8B gal | Equipment Failure | — | Moccasin Creek |
| Dec 30, 2025 | 2 gal | Equipment Failure | — | — |
| Apr 21, 2025 | 10 gal | Equipment Failure | — | — |
| Feb 14, 2025 | 30 gal | Grease / FOG | — | — |
| Dec 30, 2024 | 4 gal | Other / Unknown | — | — |
| Sep 18, 2024 | 6K gal | Other / Unknown | — | — |
| Jul 1, 2024 | 15 gal | Equipment Failure | — | — |
| Jun 20, 2024 | 10 gal | Equipment Failure | — | — |
| Apr 23, 2024 | 10 gal | Other / Unknown | — | — |
| Dec 28, 2023 | 2 gal | Equipment Failure | — | — |
Source: EPA ECHO (national). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.