Regulatory Information by Topic: Water - US EPAMining operations are regulated under the Clean Water Act (CWA), including discharges of pollutants to streams.epa policies on immigrants on mining,Mining (except Oil and Gas) Sector (NAICS 212) - US EPAOct 12, 2016 . Mining is part of the mining, quarrying, and oil and gas extraction (NAICS 21) sector. This sector . Policies and Guidance. Guidance on.
epa policies on immigrants on mining