Merrimack River Part 3: Facing the Future of the Merrimack
Series: Merrimack River
From: New Hampshire Public Radio
Length: 00:08:05
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Piece Description
This week, New Hampshire Public Radio is looking at water in the Granite State. NHPR's Jon Greenberg has been focusing on the Merrimack River. Yesterday, we met three people who, in different ways, are building on the success of the 1972 Clean Water Act. The Merrimack faces new challenges today, driven mainly by the state?s growing population. In our final installment, we look at how the natural limits of the river are beginning to shape how the state grows.
Transcript
Gary Mercer is a man whose work is driven by numbers. His laptop is filled with data files about the Merrimack.
(51:15) G: I could show you spreadsheet after spreadsheet of numbers
Gary is a water engineer with the firm of Camp, Dresser and McGee. Some of his numbers capture movement inside the river.
CUT the velocities at which the river flows at. How deep it is.
Some record levels of nitrogen, oxygen and microorganisms
CUT bacteria. How does that come out of these discharge points. How does it die off and decay in the stream itself.
He has data on releases from wastewater treatment plants and data on water that?s pumped from the river. He has all these numbers because inside his laptop, he?s building a mathematical model of the river.
CUT When you do these types of things, from a water quality point of view, you have to look at everything.
Gary?s c...
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