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Wastewater Division

Unalaska WWTP

The Wastewater Division (WWD) cleans and maintains ten lift stations, 350 manholes, and 20 miles of gravity sewer line and two and a half miles of pressure sewer line.  The WWD also maintains the wastewater treatment plant (WWTP) which screens and disinfects an average of 0.483 million gallons per day of domestic wastewater. 

In addition to our routine duties, the WWD responds to calls from the private sector to aid in service blockages, damaged services, pumping of septic tanks along with public and private porta-potties. 

The WWD current staff includes a Supervisor (Level II WW Treatment, Level III WW Collection), Two Level II operators,  (Level II WW Treatment, Level III WW Collection and Level II WW Treatment, Level II WW Collection),  and two Level I operators (Level I WW Treatment Provisional, Level I WW Collection provisional and Level I WW Collection provisional ). The WWD also maintains an in-house laboratory that is staffed by the Lab Coordinator and WW personnel.

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Unalaska WWTP
Ram Press, Unalaska WWTP
Wastewater Treatment Plant
Jar Testing Apparatus (to test effectiveness of treatment)
Lift Station #4 near Unalaska Post Office