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The federal Environmental Protection Agency (EPA) has developed regulations for managing stormwater under the National Pollutant Discharge Elimination System (NPDES) permit program which addresses water pollution by regulating the many different sources (industrial, agricultural, etc.) that discharge pollutants. The program is administered by state governments, in Pennsylvania by the Department of Environmental Protection. The Municipal Separate Storm Sewer System (MS4) program regulates stormwater from municipalities that discharge into the Spring Creek watershed. To prevent harmful pollutants from being washed or dumped into this storm sewer system, operators must obtain an NPDES permit an
The early economy of central Pennsylvania was closely tied to harnessing flowing water to power mills and forges. Gristmills, the focus of this report, use millstones to grind grain into flour that fed the people settling the Spring Creek Watershed. Even though the early industries, including flour milling, were very important to Centre County's inhabitants, little information about them remains. Perhaps these mills were taken for granted as they were replaced by more modern technology, and passed by with hardly a second glance. Or people were too busy trying to make a living to think about saving family or business records and documents and other information. Whatever the reason, there is v