The Environmental Quality Commission may require each user of the treatment works of a municipality to comply with the toxic and pretreatment effluent standards and inspection, monitoring and entry requirements of the Federal Water Pollution Control Act, as enacted by Congress, October 18, 1972, and acts amendatory thereof or supplementary thereto, and federal regulations and guidelines issued pursuant thereto. The commission may institute actions or proceedings for legal or equitable remedies to enforce such compliance.
ORS 454.020