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04/11/17 10:00am
BEVERLEA WALZ PHOTO Testing for saltwater intrusion at Sylvester Manor are United States Geological Survey chief scientist Fred Stumm (stooping) while colleagues, from left, Marie Zuck, Robert Welk and Michael Como record readings of depths where salt and freshwater interface.

BEVERLEA WALZ PHOTO Testing for saltwater intrusion at Sylvester Manor are United States Geological Survey chief scientist Fred Stumm (stooping) while colleagues, from left, Marie Zuck, Robert Welk and Michael Como record readings of depths where salt and freshwater interface.

If some $40,000 spread over a three-year period for water quality testing seems high, consider the cost of drilling new wells to do the same testing that would have cost hundreds of thousands of dollars.

But thanks to equipment being used around the Island by the United States Geological Survey (USGS), at least 20 sites are being tested by computer mapping for saltwater intrusion into wells with no drilling, according to lead USGS scientist Fred Stumm. (more…)