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Alaska · EPA ECHO (national)
Ketchikan Sanitary Sewer System
Permit AK0021440
—
No waterway impact reported
Reported events
2
Total volume
452K gal
Reached waterways
0 (0%)
Reporting since
2025
What caused the overflows
Equipment Failure
1
Other / Unknown
1
Reported overflow events (showing 2 of 2)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Jan 9, 2026 | 252K gal | Equipment Failure | — | Tongass Narrows |
| Dec 23, 2025 | 200K gal | Other / Unknown | — | Tongass Narrows |
Source: EPA ECHO (national). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.