Activity
Statute - Regulation - Guidance
Aboveground Storage Tanks
WAC 173-303-640
Animal Feedlots, Animal Feeding Operations/Concentrated Animal Feeding Operations
Chapter 173-216 WAC, Chapter 173-220 WAC, Final Rule 40 CFR Parts 9, 122, 123, and 412
Automobile Washing Facilities
Chapter 173-200 WAC, Chapter 173-216 WAC, Best Management Practices for Vehicle and Equipment Discharges (Washington Department of Ecology WQ-R-95-56)
Below-Ground Storage Tanks
Chapter 173-360 WAC, Chapter 90.76 RCW, RCW 43.131.394
Chemical Treatment Storage and Disposal Facilities
Chapter 173-303 WAC
Dangerous Waste
Chapter 70.105 RCW, Chapter 173-303 WAC
Injection Wells
Federal 40 CFR Parts 144 and 146, Chapter 173-218 WAC
Junk Yards and Salvage Yards
Chapter 173-304 WAC, Best Management Practices to Prevent Stormwater Pollution at Vehicles Recycler Facilities (Washington State Department of Ecology 94-146)
On-Site Sewage Systems (Large Scale Greater Than 3,500 Gallons/Day)
Chapter 173-240 WAC, Chapter 246-272 WAC, Chapter 246-272B WAC, Lewis County Code
A Single or Multiple Small On-Site Sewage Systems with a Combined Design Volume of Greater Than 3,500 Gallons/Day
Chapter 246-272 WAC, Chapter 246-272A WAC, Lewis County Code
Pesticide and Fertilizer Storage and Use
Chapter 15.54 RCW, Chapter 17.21 RCW
Reclaimed Water for Ground Water Recharge
Chapter 90.46 RCW
Sawmills
Chapter 173-303 WAC, Chapter 173-304 WAC, Best Management Practices to Prevent Stormwater Pollution at Log Yards (Washington State Department of Ecology, 95-53)
Solid Waste Handling and Recycling Facilities
Chapter 173-304 WAC
Surface Mining
Chapter 78.44 RCW, Chapter 332-18 WAC
Wastewater Application to Land Surface
Chapter 173-216 WAC, Chapter 173-200 WAC, Washington State Department of Ecology Land Application Guidelines, Best Management Practices for Irrigated Agriculture
(Ord. 1284 § 4, 2018; Ord. 1370 (Exh. B), 2025)