U.S. Geological Survey

Estimated use of water in the United States in 1990.
Wastewater Treatment Water Releases


Table  29.  Wastewater treatment water releases by water-resources region, 1990
      [Figures may not add to totals because of independent rounding.
Mgal/d = million gallons per day] ------------------------------------------------------------------------ PUBLIC RELEASES ---------------------- NUMBER OF FACILITIES Return Reclaimed REGION -------------------- flow, wastewater, Public Other in Mgal/d in Mgal/d ------------------------------------------------------------------------ New England 320 621 1,720 0.0 Mid Atlantic 1,423 2,409 5,740 63 South Atlantic-Gulf 2,349 2,744 3,590 238 Great Lakes 1,097 996 5,160 0 Ohio 2,317 3,179 2,850 0

Tennessee 213 464 519 .1 Upper Mississippi 2,395 1,683 4,070 0 Lower Mississippi 891 974 702 0 Souris-Red-Rainy 260 68 34 0 Missouri Basin 1,970 1,412 1,290 6.4

Arkansas-White-Red 1,200 1,160 874 13 Texas-Gulf 2,737 2,708 2,000 50 Rio Grande 216 136 161 4.4 Upper Colorado 123 110 86 .4 Lower Colorado 150 97 625 230

Great Basin 112 84 366 52 Pacific Northwest 630 828 2,180 11 California 1,049 833 2,990 255 Alaska 21 39 57 0 Hawaii 26 128 144 5.8 Caribbean 92 2 138 0 ---------------------------------------------- Total 19,591 20,675 35,300 928 -----------------------------------------------------------------------


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Last modified: 2/10/95