Sewer overflows in GU
Sewer overflow record — reported spills, the worst utilities, and how often overflows reached waterways in GU.
Reported events
13
Total volume
2K gal
Reached waterways
0(0%)
Latest event
Jun 13, 2026
Worst utilities in GU
Ranked by number of reported overflow events.
| # | Utility | Events | Volume | Reached water |
|---|---|---|---|---|
| 1 | APRA HARBOR Collection System | 13 | 2K gal | 0 |
Biggest spills in GU
The largest single reported overflow events.
- 600 galDec 29, 2025
- 500 galSep 9, 2024
- 450 galJan 8, 2026Reached Potential to have entered Talisay River
- 400 galApr 15, 2024
- 100 galApr 8, 2025
- 55 galJun 17, 2024
- 40 galDec 3, 2025
- 20 galJul 8, 2025
- 10 galApr 27, 2024
- 5 galJun 14, 2024