Dewatering means the removal of water for construction activity. It can be a discharge of appropriated surface or groundwater to dry and/or solidify a construction site. It may require Minnesota Department of Natural Resources permits to be appropriated and if contaminated may require other MPCA permits to be discharged.
Stormwater management planning area means the geographic area for which a stormwater management planning agency is authorized to prepare stormwater management plans, or a specific portion of that area identified in a stormwater management plan prepared by that agency.
Underground source of drinking water (USDW) means an aquifer or its portion:
Refinery means a facility for the manufacture or reprocessing of finished or unfinished petroleum
Fresh water means water having a specific conductivity less than a solution containing six thousand (6,000) parts per million of sodium chloride.