Donnie Coley
(276) 783-5950
dcoley@marionva.org
Don Henderlite
- (276) 783-5950
Carol Cale - (276) 783-5950
Tony Edwards - (276) 783-5950
Town of
Water Treatment Plant
(276) 783-5950
To provide potable water which consistently meets all quality and pressure standards of the
State of
The Department resolved
the issues surround detention time in the primary settlement basins. After
considering a number of alternatives such as modifying the headwall, building a
new settlement basin, and installation of settling
tubes, the detention time was reduced through a change in chemical mix. The
Department is now using polyaluminum chloride, a
reagent which has recently been authorized for use as a flocculent for potable
water. This change will enable the Department to reduce its settling times and
save the capital cost and increased maintenance associated with mechanical
devices which would accelerate settling. This change has the additional benefit
of extending filter life.
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