Search

Hot mix asphalt plants in Minnesota must follow federal and state air standards.

The MPCA administers programs that are governed by 45 chapters of rules. The MPCA periodically conducts a “housekeeping” rulemaking to make minor corrections and clarifications to the rules or to repeal rules that have become obsolete.

A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.