EPA toughens construction site water pollution rules


A major piece of the toughened rules: they create a technology-based “floor,” or minimum requirements, on a national basis. It also establishes a numeric limit on turbidity, or water clarity, for sites that disturb 10 acres or more.
 
The agency estimates that the rules will cut the amount of sediment discharged from construction sites by about 4 billion pounds per year. The rules, once fully phased in after several years, will carry an annual estimated cost of $953 million, according to EPA.
 
Link to the rule -- the second document on this page, called the “pre publication” version:


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