Dr. Martin T. Auer Michigan Tech Department of Civil & Environmental Engineering Surface Water Supply

Drinking Water Sources Approximately two-thirds of the population of the U.S. receives its supply from surface waters. However, the number of communities supplied by groundwater is four times that supplied by surface water. This is because large cities are typically supplied by surface waters and smaller communities use groundwater.

Taking it for granted … Part I

Taking it for granted … Part II

Water Supply & The Hydrologic Cycle Units = m 3 per year 1 “10 12 m 3 per year” = 1 Lake Superior per year … water. We got it.

Kankakee River Basin

The Hydrograph Discharge Time Direct Runoff Hydrograph Base Flow

Rain Events and the Nature of the Direct Runoff Hydrograph

Surface Water Supplies Lakes Rivers Reservoirs

… now you see it … now you don’t Reservoirs and Water Supply Management

Supply This!

Reservoir Design by the Rippl Method annual requirement = 1.2x10 8 ft 3

Reservoir Design by the Rippl Method

Water Use Restrictions