Utilities Codes and Standards

Pervious pavement codes, engineering standards, maps and comprehensive plans related to utilities are presented here. Utilities engineering standards are updated annually. Hard copies are available at the Service First desk at City Hall.




Storm and Surface Water

Light Rail Utility Standards

2018 Light Rail Utility Standards

Natural Drainage Practice Guidelines for Single Family Residential Development

Amended Soil and Post Construction Soil Quality and Depth


Note to utility extension permit applicants

Generally, the standards in effect when a permit is applied for will apply to the project. See the Standards Update Notice for details.


If you have had an inspection recently, we would like to hear from you. Inspection Services Customer Survey
Why take the 3-minute survey?

Utilities GIS Map Data 

City of Bellevue Infiltration Potential Map

GIS version

PDF version (may not be sufficiently detailed to meet permit application requirements)

Incorporating Low Impact Development into Codes

2017 Storm and Surface Water Engineering Standards Training

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