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GU · EPA ECHO (national)

APRA HARBOR Collection System

Permit GU0110019

—
No waterway impact reported
Reported events
13
Total volume
2K gal
Reached waterways
0 (0%)
Reporting since
2024

What caused the overflows

Other / Unknown
10
Equipment Failure
2
Rainfall / Flooding
1

Reported overflow events (showing 13 of 13)

DateVolumeCauseReached waterReceiving water
Jun 13, 20262 galOther / Unknown——
Apr 15, 2026—Equipment Failure—Inner Apra Harbor
Jan 8, 2026450 galRainfall / Flooding—Potential to have entered Talisay River
Dec 29, 2025600 galOther / Unknown——
Dec 3, 202540 galOther / Unknown——
Jul 8, 202520 galEquipment Failure——
Apr 8, 2025100 galOther / Unknown——
Sep 9, 2024500 galOther / Unknown——
Jul 25, 20245 galOther / Unknown——
Jun 17, 202455 galOther / Unknown——
Jun 14, 20245 galOther / Unknown——
Apr 27, 202410 galOther / Unknown——
Apr 15, 2024400 galOther / Unknown——

Source: EPA ECHO (national). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.