13.06.054 Prohibited discharges.
A. Nonstormwater runoff discharges to the stormwater drainage system, surface water bodies, or groundwater are prohibited, unless such discharges are authorized in accordance with Chapter 173-216 WAC (State Waste Discharge Permit Program) or Chapter 173-220 WAC (National Pollutant Discharge Elimination System Permit Program).
B. No person shall throw, drain, or otherwise discharge, cause or allow others under its control to throw, drain, or otherwise discharge pollutants into a storm water drainage system, surface water bodies or groundwater. If a pollutant discharge is identified it shall cease immediately and be reported to the storm water utility immediately. Failure to report any discharge within 24 hours is a violation of this chapter.
Examples of prohibited pollutants include, but are not limited to:
1. Trash or debris, including leachate from dumpsters and trash compactors.
2. Construction materials, including soil.
3. Petroleum products including but not limited to oil, gasoline, grease, fuel oil, heating oil, electrical transformer fluid.
4. Antifreeze and other automotive products.
5. Metals in particulate or dissolved form.
6. Flammable or explosive materials.
7. Radioactive materials.
8. Batteries.
9. Acids, alkalis, or bases.
10. Paints, stains, resins, lacquers, or varnishes.
11. Degreasers and/or solvents.
12. Drain cleaners.
13. Pesticides, herbicides, or fertilizers.
14. Steam cleaning wastes.
15. Soaps, detergents, ammonia.
16. Swimming pool or spa filter backwash.
17. Chlorine, bromine, and other disinfectants.
18. Heated water.
19. Domestic animal waste.
20. Sewage.
21. Recreational vehicle waste.
22. Animal carcasses.
23. Food waste, including used cooking oil.
24. Bark, lawn clippings, leaves, and branches.
25. Silt, turbid runoff, concrete, concrete wash water, cement, or gravel.
26. Dyes, excluding municipal operations dye testing.
27. Chemicals not normally found in uncontaminated water.
28. Any other process-associated discharge except as otherwise allowed in this chapter, including car washing effluent.
C. Hazardous materials, as defined in this chapter, shall not be allowed to enter any storm water drainage system, infiltrate into the ground, or enter any surface water body within the contiguous city limits. All such substances shall be stored, handled and disposed in a manner that will prevent them from entering the storm water drainage system, groundwater, or surface water bodies. Storage, handling and disposal shall be conducted in accordance with Chapters 173-304 and 173-303 WAC. Appropriate quantities of spill equipment shall be kept on site, and spill response training documented, for any site within the City that uses, stores, or otherwise handles hazardous materials on a commercial basis. (Ord. 2859 § 2 (part), 2016: Ord. 2473 § 2 (part), 2009).