TABLE 1
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METROPOLITAN SANITARY DISTRICT OF GREATER CHICAGO STORM WATER CHARACTERISTICS (*) 1971 DATA
EWKIWC - Feb. 22, 1972
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Location
Meigs Field Outer Drive
Drainage (Highway Drainage)
High School Parking Area
Residential Street - Drainage
97th Street and Lake
Michigan Storm Sewer
- Heavy Industry and
Residential
170th Street & Harlem
Residential Area
Midlothian Creek
Residential and
Commercial Area
Glencoe
4 Discharge Points
TO Lake Michigan
Date
April 27
May 3
May 6
June 23
July 8
July 22
Feb. 22
Feb. 22
Feb. 22
April 18
June 23
Sample
Type
Composite
Composite
Brailsford
Automatic
Sampler
Composite
Composite
Automatic
Composite
Brailsford
Grab
Composite
Serco
Composite
Serco
Grab
Grab
Grab
Grab
Grab
Suspended
Solids
9
10
25
12
16
30
20
27
99
12
12
4
Organic
Solids
5
7
7
10
3
8
15
9
8
11
7
3
5
2
Inorganic
Solids
4
3
18
2
13
8
15
11
19
28
92
9
7
2
BOD
13
13
5
10
13
7
9
5
9
5
3
6
NH3
asN
4.5
1.7
1.4
0.1
0.5
0.3
0.9
0.5
0.2
0.4
0.3
0.5
1.2
0.3
Total
Coliform
8,600
33,000
220,000
Fecal
Coliform
<100
<100
3,300
Fecal
Strep
<100
200
10,000
♦Samples were not proportional to flow
All values are miligram per liter except coliform. Coliform is count per 100 militer.
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