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    Highway Materials LLC – Perkiomenville Quarry (Surface Mining Permit No. 8073SM1 and National Pollutant Discharge Elimination System (NPDES) permit no. PA0614602) is located in Marlborough Township, Montgomery County, Pennsylvania. Highway Materials submitted applications to increase the mining permit and NPDES permit size by 1.3 acres from 80.91 acres to 82.21 acres and to add mine reclamation fill as a reclamation option.

    Public Hearing Transcript - March 24, 2025​