The Annual CSO and CMOM Report provides a comprehensive review of Portland’s integrated combined sewer overflow (CSO) system and the Capacity, Management, Operations, and Maintenance (CMOM) Program during fiscal year 2026.
The purpose of this report is to outline important updates made to the 2009 Terrestrial Ecology Enhancement Strategy (TEES) Special Status Species List and the 2011 At-Risk Species List.
Business and industrial 1200-Z permit holders use this form to submit monitoring results to meet quarterly reporting requirements outlined in their permit. Completed reports are due the 15th of February, May, August, and November. Reports must be submitted via mail with original signature. (Excel)
Business and industrial customers can use this form to request exemption from requirements of a National Pollutant Discharge Elimination System Industrial Stormwater Discharge Permit No. 1200-Z.
Use these notes on the cover sheet of Environmental Services public works sewer projects. They are not used for joint BES-PBOT public works projects without sewer pipe.
Request temporary discharges of groundwater and/or impounded stormwater generated from construction activities to the City of Portland’s (City) storm, sanitary, or combined sewer system.
Applicants complete this form to request programmatic authorization to access the sewer and drainage systems for the purposes of responding to, investigating, verifying, controlling, abating or monitoring spill response. Authorization is valid for one year.
Environmental Service maintains the Manufacturing Standards for Precast Concrete Products manual. This manual contains the requirements for the manufacture of precast concrete pipe, maintenance holes and inlets for use in City of Portland infrastructure projects.
Use this application to apply for a Safety Net Loan. Eligible applicants must own and live at the property requiring connection, meet income guidelines, and have less than $100,000 in additional assets.