Loring AFB Water Plant Survey, Loring AFB, Maine

摘要

The USAFOEHL conducted an on site survey of the Loring AFB water plant to determine coagulation efficiency. Jar testing was performed to determine optimum coagulant dosage. A survey to assess the hydraulic mixing and coagulation parameters of the pump discharge piping and flocculation basin was also performed. The plant was operating without functioning flocculation paddles. Results of calculations indicate the long residence time of the water in the flocculation basin causes the basin to be effective during the summer and marginally effective during the winter. The plant operators were adding coagulants at concentrations within the optimum range as determined by jar testing. Recommendations are: The base bioenvironmental engineer, in cooperation with water plant personnel perform jar testing monthly, repair the flocculation paddle; and (3) initiate a plan for an alternate groundwater supply.