All rankings
NN · EPA ECHO (national)
TWIN ARROWS WWTP Collection System
Permit NN0030344
—
No waterway impact reported
Reported events
4
Total volume
55K gal
Reached waterways
0 (0%)
Reporting since
2024
What caused the overflows
Equipment Failure
3
Other / Unknown
1
Reported overflow events (showing 4 of 4)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Apr 30, 2026 | 10K gal | Equipment Failure | — | — |
| May 10, 2025 | 300 gal | Equipment Failure | — | — |
| Aug 1, 2024 | 25K gal | Equipment Failure | — | — |
| Apr 15, 2024 | 20K gal | Other / Unknown | — | — |
Source: EPA ECHO (national). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.