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News Release

March 23, 2006
Heidi Koontz 303-202-4763
Heather Friesen 303-202-4765

New USGS Report Compares Past, Present and Future Water Quality

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If recent news about what chemical compounds have been found in streams and lakes today prompts thoughts that water quality was better way back when, think again.

A newly released study by the U.S. Geological Survey (USGS), prepared in cooperation with the City of Boulder, Colorado, provides an overview of water quality in the Boulder Creek Watershed today, and how it has changed over 160 years.

Gold mining records, typhoid cases, and historical accounts, such as a 1905 newspaper article claiming that drinking Boulder Creek water "gave the sensation of swallowing rope," were used to determine water quality in the Boulder Creek Watershed since 1859.

Colorful photographs, maps, and easy-to-read text fill the 30-page report, entitled State of the Watershed: Water Quality of Boulder Creek, Colorado. It addresses the impacts of land use change, water diversions, urban runoff, and wastewater effluent on water quality throughout the watershed. The report also addresses potential water quality issues of the future.

"Never has there been a document which so clearly outlines the history and possible future of water quality in Boulder County," said Donna Scott of the City of Boulder´s Public Works Department. "It will be very useful in guiding water quality policies."

State of the Watershed: Water Quality of Boulder Creek, Colorado, by Sheila Murphy, 2006, USGS Circular 1284, is available online at; print copies may be obtained for $4 by calling 1-888-ASK-USGS.

The USGS serves the nation by providing reliable scientific information to describe and understand the Earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and protect our quality of life.

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