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Thurston County, Washington

The content on the Thurston County website is currently provided in English. We are providing the “Translation” for approximately 10 languages. The goal of the translation is to provide visitors with limited English proficiency to access information on the website in other languages. The translations do not translate all types of documents, and it may not give you an exact translation all the time. The translations are made through an automated process, which may not result in accurate or precise translations, particularly of technical and legal terminology.

Community Planning and Economic Development

These checklists reflects most, but not necessarily all, of the items that will be reviewed by Development Review. They are intended to be used as an aid by us to provide a consistent review of development work in Thurston County. All items may not be applicable in the review of each project and all items of concern to this office may not be covered in these checklists.

Project Review Flow Chart 

Project Elements Submission Completeness Checklist

Drainage Report Required Elements 

LID Infeasibility Criteria Checklist 

Infiltration Facility Procedures Checklist

Methods for Determining Infiltration Rates Checklist

Geotechnical and Infiltration facilities 

Construction Plans Required Elements

These checklists reflects most, but not necessarily all, of the items that will be reviewed by Development Review. They are intended to be used as an aid by us to provide a consistent review of development work in Thurston County. All items may not be applicable in the review of each project and all items of concern to this office may not be covered in these checklists.

LID.02_Soil Preservation and Amendment Checklist 

LID.04_Downspout Infiltration Checklist 

LID.05_Downspout Dispersion Checklist 

LID.06_Sheet Flow Dispersion Checklist

LID.07_Concentrated Flow Dispersion Checklist

LID.08_Bioretention Checklist

LID.09_Permeable Pavement Checklist

LID.11 Full Dispersion Checklist 

LID.14_Tree Retention and Planting Checklist 

Rain Gardens Checklist 

IN.01_ Infiltration Basins Checklist

D.01_Detention Ponds Checklist 

LID Field Design Checklist

Project Documents/Templates  

Complete and submit applicable documents as part of your stormwater maintenance agreement with Thurston County.

Checklists for Agreement to Maintain all facility types  PDF  |  Word

Engineers Construction Inspection Report 

Facility Summary Form

Short Form Construction Stormwater Pollution Prevention Plan (SWPPP) Template    Fillable PDF Form

Standard Stormwater Notes

Stormwater Conveyance System Connection Application

Agreement to Maintain Commercial   Fillable PDF Form

Agreement to Maintain Subdivision-Residential   Fillable PDF Form

Bond Quantities Worksheet  Fillable Excel Worksheet  

Checklist - Final Acceptance Requirements (Due prior to release of Financial Guarantees) 

Drainage Marking Detail

Low Pressure Air Test Report Form

Operation & Maintenance Cost Estimate Worksheet

Source Control Plan for Commercial  Word  |  PDF

Source Control Plan BMPs  Word  |  PDF

Agreement to Maintain   Fillable PDF Form

Source Control Manual, Residential Stormwater Pollution Prevention (PDF)