USGS

Simulation of Projected Water Demand and Ground-Water Levels in the Coffee Sand and Eutaw-McShan Aquifers in Union County, Mississippi, 2010 through 2050

Table 4. Projected water demand for the Union County, Mississippi, water-service area for 1998, 2010, 2020, 2030, 2040, and 2050, in million gallons per day

 

Sector

Historic water use

Projected water use

Percent change from 1998 to 2050

1998

2010

2020

2030

2040

2050

Normal-growth scenario

Municipal water

 

Residential

1.5

1.9

2.1

2.4

2.7

3.0

100

Commercial and industrial

0.46

0.56

0.62

0.73

0.84

0.95

107

Public/unaccounted

.60

.44

.49

.55

.62

.70

17

Subtotal municipal water

2.6

2.9

3.2

3.7

4.2

4.6

77

Peak daily demand1

4.3

4.8

5.3

6.1

6.9

7.6

77

Nonmunicipal water

 

 

 

 

 

 

 

Commercial and industrial

.30

.30

.30

.30

.30

.30

0

Subtotal nonmunicipal water

.30

.30

.30

.30

.30

.30

0

Total water demand

2.9

3.2

3.5

4.0

4.5

5.0

72

High-growth scenario

Municipal water

 

Residential

1.5

2.1

2.6

3.0

3.6

4.2

180

Commercial and industrial

.46

.62

.78

.92

1.1

1.2

161

Public/unaccounted

.60

.49

.60

.70

.82

1.0

67

Subtotal municipal water

2.6

3.2

4.0

4.7

5.5

6.4

146

Peak daily demand1

4.3

5.3

6.6

7.8

9.1

11

156

Nonmunicipal water

 

 

 

 

 

 

 

Commercial and industrial

.30

.30

.30

.30

.30

.30

0

Subtotal nonmunicipal water

.30

.30

.30

.30

.30

.30

0

 

 

 

 

 

 

 

 

Total water demand

2.9

3.5

4.3

5.0

5.8

6.7

131

 

1Peak daily demand is about 1.65 times the average daily use for public-supply systems using ground water in Mississippi (American Water Works Association, 1992).