Regulations for industrial wastewater dischargers
King County is responsible for telling organizations that send industrial wastewater to King County’s sewer system about federal hazardous waste reporting requirements. Learn more.
Federal pretreatment regulations--Title 40 CFR (Code of Federal Regulations)
Washington Administrative Code (WAC) - Chapter 173-208 - Grant of authority sewerage systems
Washington Administrative Code (WAC) Chapter 173-303 WAC - Dangerous waste regulations
KCIW Rule Updates in 2020
An Executive Order signed on January 11, 2016, states that all King County Executive Policies and Orders and Public Rules written before that date will expire on January 11, 2021, unless renewed. Learn more about the rule updates.
King County Public Rules--See Classification PUT 8 (Surface Water Management and Wastewater Treatment) for Public Rules PUT 8-13 - 8-16, 8-22 & 8-24 relating to such subjects as local discharge limits, construction dewatering, discharge of contaminated groundwater to the sewer, and discharge of cooling water to the sewer.
PUT 8-13-2 (PR) - King County Industrial Waste Local Discharge Limits
PUT 8-14-1 (PR) - Discharge of Construction Dewatering to the Sanitary Sewer
PUT 8-15-1 (PR) - Discharge of Contaminated Groundwater to the Sanitary Sewer
PUT 8-16-1 (PR) - Discharge of Cooling Water into the Sanitary Sewer
PUT 8-22-1 (PR) - Discharge of Hauled Waste at a King County Publicly Owned Treatment Works (POTW)
PUT 8-24 (PR) - King County Industrial Waste Fees
Enforcement Response Plan (ERP). The ERP outlines how King County will investigate and respond to instances of industrial user noncompliance.
Track recent and pending federal, state and local regulations
Federal Register - Track any changes in federal regulations with this official daily publication for rules, proposed rules, and notices of Federal agencies and organizations, as well as executive orders and other presidential documents. Most environmental regulations will be in the EPA section.
Washington State Register - The Washington State Register is a biweekly publication which includes notices of proposed rules, emergency and permanently adopted rules, public meetings, requests for public input, notices of rules review, executive orders of the governor, court rules, summary of attorney general opinions.