Facts about the Division of
Water Supply & Treatment
Employees of
the City of Dayton Division of Water Supply and
Treatment treat and pump drinking water to approximately
440,000 people in Montgomery County. Water is supplied
by wells in the Miami and Mad River Well Fields. Wells
pump water to the Ottawa Water Treatment Plant and the
Miami Water Treatment Plant. Each plant has a rated
capacity of 96 million gallons per day. Lime (calcium
oxide), fluoride and chlorine are used for water
treatment. Rapid sand filtration is the final step in
the treatment process.
In 1998, Dayton's two water plants
treated and pumped over 27 billion gallons of water. A
Lime Recovery Facility reclaims calcium carbonate from
the lime softening residuals of both water treatment
plants and produces more lime for softening. This
process, recalcination, produced over 22,000 tons of
lime in 1998.
Dayton's first municipal well was
placed in service in March, 1870. By 1901, ninety-four
8" wells had been drilled along the Mad River. In
1953, Dayton's first lime softening, water treatment
plant went into service on Ottawa Street near the Keowee
Street Bridge over the Mad River. In 1965, the new Miami
Water Treatment Plant began treating water from the
Miami Well Field.
In the 1980's, many construction
projects were completed to increase water treatment
capacity before Montgomery County joined Dayton's water
system in 1986. Facilities were also constructed for the
treatment of contaminated groundwater.
-
New Drinking Water Wells
-
New Pumping Stations and Water
Storage Tanks
-
Miami Treatment Plant Expansion and
Renovation
-
Lime Recovery Facility
Improvements
-
Air Stripping Facilities and
Portable Air Stripping Towers
-
Powdered Activated Carbon
Facility
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