All rankings
Nebraska · EPA ECHO (national)
McCook Sanitary Sewer System
Permit NE0021504
—
No waterway impact reported
Reported events
3
Total volume
2.2M gal
Reached waterways
0 (0%)
Reporting since
2023
What caused the overflows
Equipment Failure
2
Rainfall / Flooding
1
Reported overflow events (showing 3 of 3)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Apr 10, 2026 | 50 gal | Equipment Failure | — | — |
| Sep 16, 2025 | 1.2M gal | Equipment Failure | — | Republican River |
| May 26, 2023 | 1.0M gal | Rainfall / Flooding | — | Kelley Creek |
Source: EPA ECHO (national). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.