County Wastewater Treatment Capacity
For each community with a population greater than 100, existing design treatment capacity and average daily uses were collected. Growth projections established a 10-year growth capacity. The delta between current installed capacity and 10-year projected growth established an excess or deficient capacity in treatment. The data is meant to highlight that growth is inevitable and the need for additional wastewater treatment capacity is inevitable.
Table 10.2 Estimated population growth percentages by Planning District
Estimated Annual Population Growth Percentages
Planning District
Black Hills District
1.50%
Central SD Enhancement District
0.25%
District I
0.50%
District III
0.25%
NECOG
0.10%
SECOG
2.50%
Table 10.3 County Wastewater Treatment Capacity
Wastewater Treatment Availability, MGD Existing
County
10-Year Projected
Aurora
0.09
0.05
Beadle
1.39
1.20
Bennett
0.00
0.00
Bon Homme
0.25
0.25
Brookings
1.64
1.67
Brown
1.29
0.82
Brule
0.14
0.06
Buffalo
0.00
0.00
Butte
0.12
0.24
Campbell
0.00
0.00
Charles Mix
0.00
0.00
Clark
0.13
0.13
Clay
0.07
0.10
Codington
0.00
0.00
Corson
0.00
0.00
Custer
0.00
0.00
Infrastructure First Project
Water Quality | 127
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