Proposed Re-Issuance of a General NPDES Permit (GP) for Small Suction Dredges in Idaho

Resumo

The EPA is proposing to reissue a National Pollutant Discharge Elimination System (NPDES) General Permit (IDG370000) for small suction dredge operations in Idaho (intake nozzle size of 5 inches in diameter or a diametric equivalent or less and with equipment rated at 15 horsepower or less). The current permit established effluent limitations, standards, prohibitions and other conditions on discharges from covered facilities. These conditions are based on existing national effluent guidelines, the state of Idaho's Water Quality Standards and material contained in the administrative record. The EPA is proposing to retain most conditions of the current General Permit. A description of the basis for the conditions and requirements of the proposed general permit is given in the Fact Sheet. This is also notice of the draft Section 401 Certification provided by the state of Idaho.