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News Releases: 1999

Agriculture indicated as largest source of nitrates of the lower Nooksack River Basin's ground water
Nitrate contamination of ground water from land use activities, especially agricultural activities, is common in many parts of the lower Nooksack River Basin. Fifty-five of the 368 wells sampled for nitrate showed concentrations above the U.S. Environmental Protection Agency and Health Canada drinking water standards, according to a recently published report by the U.S. Geological Survey (USGS).

New tool evaluates Thurston County ground water
A new computer model will allow water-resource managers to estimate the effects of future development, droughts, and climate changes on the ground-water system of Thurston County. The model, recently completed by the U.S. Geological Survey (USGS), simulates ground-water flow to depths of as much as 2,000 feet under more than 500 square miles of Thurston County.

New study finds strong links between ground water and Dungeness River; salmon and well drilling may be affected
The water resources of the Sequim-Dungeness area of Clallam County--ground water, rivers, and streams-- are highly interconnected, an important factor that could affect threatened Dungeness River salmon as well as new well drilling, according to the results of a new study by the U.S. Geological Survey (USGS).

Demands grow for ground water under Tacoma-Puyallup

New study links spring pesticide sales to presence in Puget Sound streams
Lawn and garden pesticides were found in urban Puget Sound Basin streams--Diazinon, 2,4-D, and MCPP, the pesticides most often bought in retail stores, according to a new fact sheet released today by the U.S. Geological Survey. The study was done in cooperation with the Washington State Department of Ecology and the King County Hazardous Waste Management Program.

Demands grow for ground water under Tacoma-Puyallup
In 1996 northwestern Pierce County, Washington, consumed 22 billion gallons of water, 15 billion gallons of it being imported from surface-water sources outside the area. The people of this 88-square-mile area near Puget Sound, where the population is growing vigorously and the land is being rapidly developed, have reached the limits of their surface-water supply and are turning to its ground water.

Bringing back the Elwha River salmon
Bringing back the once-famous salmon runs of the Elwha River also restores the river's ecosystem, which in turn assures salmon for the future, according to a report published today by the U.S. Geological Survey.

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