Skip navigation

Report an Issue

My Gresham service requests anytime, anywhere. Fix a pothole, remove graffiti, report a broken streetlight and more.
- Small Business Center
One Gresham

Gresham’s development-ready commercial centers are connected by new infrastructure, amenities and opportunity.
Services
View All Services

Use the City’s services directory to easily find the information you need.
Clean Start

A homelessness support program providing employment while keeping parks and open spaces clean.
About Gresham
Hogan Butte Nature Park

Take in panoramic views of Mts. Hood, St. Helens, Adams, Rainier, the Gorge and Gresham.

ALERT - Effective immediately, all Gresham parks and open spaces are closed until further notice due to hazardous air quality from wildfire smoke. Restrooms are closed. | City Hall remains closed, services are being provided online and by phone; see our COVID-19 page for more info.

Skip sidebar navigation

Environmental Services

Watershed Documents and Forms

Stormwater Management Manual

The following documents are effective on January 1, 2020 and include minor revisions that the City has made to the Stormwater Management Manual and related documents.
•Stormwater Management Manual
• Definitions (Appendix A)
• Residential Guidance (Appendix B)
• Erosion Control Manual (Appendix C)
• Sizing Methods (Appendix D)
• Infiltration Testing (Appendix E)
• Soil and Mulch Specs (Appendix F)
• Planting (Appendix G)
• Typical Details (Appendix H)
Additional resources
Gresham stormwater plant list

Annual reports

2019
Surface water
2018
Surface water
Groundwater
2017
Surface water
Groundwater
2016
Surface water
Groundwater
2015
Surface water
Groundwater
2014
Surface water
Groundwater

Stormwater code

Gresham Revised Code
Development Code for Stormwater
Gresham code review of habitat-friendly development practices
Public Works Standards

Permits and management plans

National Pollutant Discharge Elimination System (NPDES) permit documents
Gresham and Fairview NPDES stormwater discharge permit
Gresham stormwater management plan
Gresham and Fairview environmental monitoring plan -- effective July 1, 2016
Monitoring plan appendices
Total Maximum Daily Load (TMDL) plan and associated documents
Gresham TMDL plan (2018-2023)
NPDES Wastewater permit (2014)
Wastewater Treatment Plant air quality permit
Wastewater Treatment Plant 1200Z permit (2018)
Related links
Mercury Minimization Plan
Gresham Revised Code
Gresham Community Development Code

Water Pollution Control Facility permit documents

Gresham Water Pollution Control Facility (WPCF) permit
Underground Injection Control (UIC) management plan 2012-2022
Stormwater monitoring plan plus appendix A and B and appendices C through F
Underground Injection Control (UIC) system-wide assessment 2012
Underground Injection Control (UIC) technical memoranda 2012

Master Plan documents

Retrofit strategy and plan
Fairview Creek master plan
Johnson Creek master plan
Kelly Creek master plan
West Gresham master plan
Capital Improvement Program
Contact
For more information contact Keri Handaly at 503-618-2657 or Keri.Handaly@GreshamOregon.gov.

Connect

Resources

Initiatives

Greshamoregon.gov