Underground Injection Control (UIC) Program

The overview of stormwater drainage within the City of Portland.

Pink - combined sewer and stormwater drainage areas, piped to CBWWTP

Green - separated, MS4 drainage area

Orange - separated, UIC drainage area

Water Pollution Control Facilities (WPCF) Permit 2015-2025

For Class V Underground Injection Control (UIC) Systems

This is the City's second comprehensive management strategy to meet WPCF Permit requirements and protect groundwater

This is the City's second comprehensive UIC Facility Inventory and Assessment

Includes the City's second Sampling and Analysis Plan and the Quality Assurance Project Plan 2015-2025

Stormwater Discharge Monitoring Plan and Annual Reporting

UIC Management Plan and Annual Reporting

What are UICs? Why does the City have a UIC Program?

ODEQ Rules and Requirements for owners of UICs

Policies and Design Requirements for Stormwater Management within the City