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Public Works Engineering

Water Resource Manager
Therese Walch

99 East Broadway
Suite 400
Eugene, OR 97401
ph. 541-682-5549


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NPDES Municipal Stormwater Permit
NPDES Municipal Stormwater Permit
The City of Eugene holds a permit under the federal Clean Water Act for the municipal stormwater it discharges directly into the Willamette River and indirectly into the Willamette River through other local waterways, including Amazon Creek. The permit, formally called the Phase I National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permit, requires that the city reduce the discharge of pollutants from the municipal stormwater system to the maximum extent practicable, and includes monitoring and reporting requirements, as well as a set of best management practices that define the city's Stormwater Management Plan (SWMP). The Oregon Department of Environmental Quality (DEQ) administers federal NPDES permits for municipalities and other local agencies in the state. 

Documents Available for Public Review & Comment
The City of Eugene has prepared a draft Stormwater Retrofit Plan and draft Stormwater Annual Report in accordance with the requirements of its NPDES permit. Retrofitting means to incorporate water quality treatment for stormwater runoff in high priority areas where treatment currently does not exist. The Retrofit Plan includes objectives, current measures, and potential refinements. The Annual Report provides information on the progress of NPDES permit activities during the reporting period (July 1, 2013 through June 30, 2014), including program management, implementation of best management practices, and water quality monitoring.
The Retrofit Plan and Annual Report are available online (see links to the right) for review and comments. The documents can also be viewed between 8 a.m. and 5 p.m. in printed form at the Public Works Engineering office, 99 E. Broadway, Suite 400, Eugene, OR 97401.
Comments recieved on the Retrofit Plan and Annual Report received by 5 p.m. November 19, 2014 will be summarized in the respective documents to the DEQ. Comments received after November 19 will be taken into consideration for possible future modifications to the City's stormwater program.
Please send written comments to NPDES Permit, Eugene Public Works, 99 East Broadway, Suite 400, Eugene, OR 97401. Comments may also be e-mailed

Links to Related Documents
NPDES Stormwater Permit 
Eugene MS4 Permit 
Eugene Permit Evaluation Report 
Stormwater Management Plan 

Stormwater Monitoring Plan 
Stormwater Monitoring Plan 
Appendix A-1 
Appendix A-2 
Appendix B 
Appendix C 
Appendix D
Draft Retrofit Plan
Draft Retrofit Plan
Appendix A (Basin Plan VI Exec Summary)
Appendix B (Basin Plan VII-VIII Exec Summaries)
Appendix C (Capital Projects List)
Appendix D (Project Prioritization)
Appendix E (SWMM)
Appendix F (Stormwater CIP FY14-19)
Appendix G (Retrofit Strategy Map)
NPDES Annual Reports     
Draft 2014 Stormwater Report
Appendix A (Water Quality Data)
Appendix B (Boxplots WQ Parameters)
Appendix C (2010 NPDES Permit)
Appendix D (2012 SWMP)
Appendix E (Legal Authority)
Appendix F (Adaptive Management Tool)
Appendix G (Public Education Eff Eval)
Supplement to 2014 Annual Report
2013 Stormwater Annual Report                                       
2012 Stormwater Annual Report
2011 Stormwater Annual Report 
Previous Year's Report Appendices are
available on request
WQ Data Related Documents  
Water Quality Data (2014 Data)
Readme file (for Water Quality Data)
CSWMP (Stormwater Program Policies) 
TMDL Plan (Total Maximum Daily Load Implementation Plan, Updated June 2014)
TMDL Report (TMDL - Year 5 Report & Evaluation)