Okla. Stat. tit. 2, § 2-8-41.16: Environmental jurisdiction

A. The Department of Environmental Quality shall have

environmental jurisdiction over:

1. Commercial manufacturers of fertilizers, grain and feed

products, and chemicals, and over manufacturing of food and kindred

products, tobacco, paper, lumber, wood, textile mill and other

agricultural products;

2. Slaughterhouses, but not including feedlots at these

facilities; and

3. Aquaculture and fish hatcheries,

including, but not limited to, discharges of pollutants and storm

water to waters of the state, surface impoundments and land

application of wastes and sludge, and other pollution originating at

these facilities.

B. Facilities which store grain, feed, seed, fertilizer, and

agricultural chemicals that are required by federal National

Pollutant Discharge Elimination System (NPDES) regulations to obtain

a permit for storm water discharges shall only be subject to the

jurisdiction of the Department of Environmental Quality with respect

to such storm water discharges.