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South Dakota · EPA ECHO (national)
USNPS - Mt. Rushmore National Memorial SSCS
Permit SD0021610
—
No waterway impact reported
Reported events
1
Total volume
1K gal
Reached waterways
0 (0%)
Reporting since
2024
What caused the overflows
Equipment Failure
1
Reported overflow events (showing 1 of 1)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Mar 15, 2024 | 1K gal | Equipment Failure | — | — |
Source: EPA ECHO (national). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.