Wastewater Characteristics

Influent

Effluent

Summer

Winter

Suspended Solids

280 mg/l

24/36 mg/l

BOD5

320 mg/l

13/20 mg/l

20/32 mg/l

NH3-N

30 mg/l

5.3/8.0 mg/l

N/A

Design Flows

Influent

Average Daily Flow

6.0 mgd

Peak Hydraulic Flow

12.0 mgd

Grit Removal Facilities

1 & 2

Blowers

Positive Displacement 155 scfm @ 4.0 psi each

Primary Tanks

1, 2, 3 & 4

5

Dimensions

9 ft x 11 ft (rectangular)

68 ft (diameter)

S.W.D.

10 ft each

7 ft

Surface Area

1,116 sf each

3,632 sf

Weir Length

17 ft each

214 ft

Roughing Towers

1 & 2

Diameter

55 ft

Media Depth

20 ft

Media min. Surface Area

30 sq. ft. per cu. ft.

Pumps

3 Submersible 3,125 gpm @ 47’ TDH each

Aeration Tanks

1, 2 & 3

Dimensions

150 ft x 37 ft (rectangular)

S.W.D.

13 ft

Tube Diffusers

278 (each)

Blowers

4 Centrifugal 3,500 scfm @ 8.0 psi each

Final Tanks

1 & 2

3

Diameter

65.67 ft

65.67

S.W.D.

11.2 ft

12.2 ft

Surface Area

3,387 sf (each)

3,387

Weir Length

189.5 ft

189.5 ft

Chlorine Contact Tanks

East

West

Dimensions

35 ft x 18 ft

29 ft x 47 ft

S.W.D.

10 ft

11.5 ft

Volume

6,300 cf

15,674 cf

Digesters

1 & 2

Diameter

50 ft

S.W.D.

22.5 ft

Volume

351,500 each

Lagoons

1, 2, 3 & 4