Combined Sewer System Long Term Control Plan - DC Water

Selection of Final LTCP
No.
CSO
NPDES
No. Description
26th - M St -
Middle E. Rock
15 032
N St. - 25th St -
Middle E. Rock
16 033
Kalorama Circle
West - E. Rock
17 037
Kalorama Circle
East - E. Rock
18 038
Biltmore St - East
19 040
Ontario Rd -
Upper E. Rock
20 041
Quarry Rd -
Upper E. Rock
21 042
Kenyon St. -
Upper E. Rock
22 044
Lamont St. -
Upper E. Rock
23 045
Park Road -
Upper E. Rock
24 046
Ingleside Terr. -
Upper E. Rock
25 047
Oak St-Mt
Pleasant Upper E
26 048
M St -27th St -
27 050
Olive - 29th St. -
28 051
Q St - West Rock
29 053
Overflow
Volume
(mg/yr)
Drainage
Area (ac)
Imperv.
Area
(ac)
% Area
Already
Separated
Capital
Cost
($M)
$/Imp
Acre
(x $1000)
$/mg
overflow
($M)
By
Cap
Cost
By
$/Imp
Area
By $/
OF
Vol
Near
Public
Use
Area
Consider
for
Targeted
Separation
Creek 0 10.83 6.8 $ 4.6 $ 678 N/A Y Y
Crk. 4.48 13.08 6.5 $ 5.1 $ 793 $ 1.1 Y Y Y
Crk. 0.05 16.61 3.7 $ 2.6 $ 687 $ 51.4 Y Y
Crk. 0 9.54 2.1 $ 1.5 $ 690 N/A Y Y
Rock Creek 0.03 24.52 10.5 $ 6.3 $ 605 $ 211.2 Y Y Y
N/A
Crk. 0 27.17 7.1 $ 6.7 $ 936
Crk. 0 36.22 10.9 $ 9.3 $ 854
Crk. 0 17.07 7.1 $ 4.5 $ 631
N/A
N/A
Y Y Y
Y Y Y
Creek 0.03 17.17 7.4 $ 4.6 $ 620 $ 152.6 Y Y
Creek 0.01 17.38 7.1 $ 4.5 $ 634 $ 452.9 Y Y
Crk. 0.25 18.16 7.2 $ 4.9 $ 694 $ 19.9 Y Y
Rock C. 0.08 26.06 9.6 $ 7.0 $ 733 $ 87.6 Y Y
N/A
West Rock Creek 0 36.41 16.0 $ 8.3 $ 516
Y Y Y
N/A
West Rock Creek 0 11.87 5.2 $ 3.2 $ 614
Y
Y
N/A
Creek 0 5.50 0.4 $ 0.9 $ 1,934
Y
Y
30 058 Connecticut Ave. 0 5.24 1.6 $ 0.9 $ 595 N/A Y Y Y
Subtotal 1,288 $325
31 009 B St./N.J. Ave 16.84 41.27 23.6 $ 17.1 $ 723 $ 1.0 Y
010,
011, B St./N.J. Ave - O
32 011a St. pumped 247.21 732.72 175.2 $ 198.9 $ 1,135 $ 0.8
33 012 Tiber Creek 21.74 1,153.83 459.0 6% $ 414.6 $ 903 $ 19.1
Northeast
$
34 019 Boundary 854.81 4,242.39 1,565.8
1,224.1 $ 782 $ 1.4
35 020 Easby Point 54.81 573.14 343.2 10% $ 215.9 $ 629 $ 3.9
36 022
I St. - 22nd St,
NW 30.04 125.23 36.0 $ 46.9 $ 1,300 $ 1.6
37 027 Georgetown 52.5 179.38 77.8 $ 47.3 $ 608 $ 0.9 Y
38 029 College Pond 26 300.79 90.4 11% $ 77.2 $ 854 $ 2.9
39
034,
021
Slash Run Trunk
Sewer 458.43 473.78 252.7 23% $ 134.8 $ 534 $ 0.3
40 035
Northwest
Boundary 0 546.69 193.5 $ 154.2 $ 797 N/A
41 036
Mass Ave & 24th
- E. Rock Crk. 1.64 69.76 19.8 $ 12.3 $ 621 $ 7.5
42 039
Belmont Rd - East
Rock Creek 0 54.25 13.1 $ 12.8 $ 981 N/A
Y
Y
\\Gh-wash\eng 1160\LTCP\LTCP Final\Sec 11.doc 11-6 FINAL - July 2002