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South Dakota · EPA ECHO (national)
USCOE - OAHE DAM SSCS
Permit SD0026794
—
No waterway impact reported
Reported events
2
Total volume
251 gal
Reached waterways
0 (0%)
Reporting since
2025
What caused the overflows
Equipment Failure
2
Reported overflow events (showing 2 of 2)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Aug 26, 2025 | 1 gal | Equipment Failure | — | — |
| Feb 21, 2025 | 250 gal | Equipment Failure | — | — |
Source: EPA ECHO (national). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.