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Important details to help make your e-Service administrative submittal go as smoothly as possible.

Determine what type(s) of water quality permit is required at facilities that mine construction sand and gravel; industrial sand; quarry limestone, granite or dimension stone; operate hot mix asphalt production areas; produce concrete block, brick and other products; and/or produce ready-mix concrete.

Status of total maximum daily load (TMDL) projects in Minnesota.