General studies : November, 1967 / by John C. Ayers, Joseph C. K. Huang.

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Orchard Beach: (subdivision in Chickaming Township, near Sawyer)
Rated Capacity -—; 0.125 mgd (1966 ave)*
Intake Location: "Infiltration lines at edge of Lake Michigan"*
New Buffalo: (new plant just being completed)
Rated Capacity 14 mgd; present pumpage (not from lake) 6 'mgd***
Intake Location: 3000 ft off beach at Sunset Shores at west
end of city***
Grand Beach:
Rated Capacity ---—; 0.250 mgd (1966 ave)*
Intake Location: "Infiltration lines at edge of Lake Michigan"*
Michiana:
Rated Capacity ---—; 0.275 mgd (1966 ave)*
Intake Location: "Infiltration lines at edge of Lake Michigan"*
Unknown: (intake and tank between Michiana and Michigan City
on Chart 75)
Intake Location: 1000 ft from shore in 6 ft of depth**
Michigan City, Indiana:
Rated Capacity 20 mgd; present pumpage 7 mgd***
Intake Locations: 2300 ft off beach, 29 ft deep over crib**
3300 ft 050~ true from East Pierhead Light**
2500 ft off beach, 35 ft deep over crib**
3900 ft 053~ true from East Pierhead Light**
2600 ft off beach, 24 ft deep over crib**
4200 ft 054~ true from East Pierhead Light**
*From pp. 30-31 of Michigan Water Resources Commission: "Water
Resource Uses Present and Prospective for Lake Michigan and
Proposed Water Quality Standards and Plan of Implementation"
Feb. 1967.
**From U. S. Lake Survey Chart No. 75.
***Personal Communications, plant operators to J. C. Ayers, Nov. 1
and 3, 1966.
Intake locations referenced to pierhead lights have been done
by us from U. S. Lake Survey Chart No. 75. The pierhead lights
used are the dominant ones, as identified by the greatest range
of visibility given on that chart.
Distances from the center of the plant site frontage to the

several potable water intakes have been measured along the waterline