324 Discussion
ITEM
l.Base flow runoff:
Doan
Dugway
Shaw
Nine-mile
Euclid
Sub-Total
2. Combined sewer overflow:
E. 79
E. 88
Easterly overflow
E. 156
Green Cr.
Neff Rd.
Sub-Total
3.Easterley STP Effl. (2000):
Yr. 2 0 0 0 - (151 mgd)
Mean flow, cffl.
4. Storm flows:
Runoff excess from peak (Separate)
Consec. 3-day, 3-yr. freq. (Combined)
Total
Excess STP flow
Sub-Total
Total, ( 1 - 2 - 3 - 4 )
Avg. Flow
Q
(cfs)
12
8
3
17
25
234
Mean 30-Day
Volume
(acre-ft)
714
476
179
1,011
1,488
3,868
9
17
275
14
12
2 _
329
13,900
3,312
1,250
4,562
2,100
24,759
81
65
92
56
64
51
384
260
310
140
93
64
75
35
70
100
9.0
21.3
7.0
11.1
5.4
61.5
52.4
53.1
31.2
11.7
7.4
21.2
15
30
50
af
52
30
32
27
73
211
114
126
85
130
33
24
30
45
50
Phos.
P
(mg/1)
0.71
1.50
0.97
1.07
0.36
2.24
2.16
2.53
1.6
0.43
0.16
4.2
0.7
1.0
1.0
Kjel,
Nitrogen-N
2.5
7.2
1.7
3.9
1.5
8.8
10.6
13.1
6.2
2.3
0.8
NH4
asN ί
6.9
3.0
6.0
6.0
Nitrate as N*
N
(mg/1)
0.8
0.9
0.9
0.8
1.0
O.lt
0.1
0.1
0.1
0.2
0.1
0.8 (N03)
0.1 (N02)
0.1
0.1
0.1
z s
o ε
3.3
8.1
2.6
4.7
2.5
8.9
10.7
13.2
6.3
2.5
0^9
7.8
3.1
6.1
6.1
« O €
j* U *
108
141
100
90
84
120
*From data of city of Cleveland, USGS, FWPCA
t Actual values less than 0.1 (except Green Cr.)
* Total Kjel. Nitrogen (NH3 and Organic N).
Note: CFs X 1.7 = cu m/min; acre-ft X 1,233.5 = cu m: lb X 0.454 = kg; mgd X 3,785 = cu m/day.
Journal - Water Pollution Control Federation, Vol. 41, No. 2. Portland, Ore. Dated February, 1969