WES Forms and Documents

Annexation

Visit our Annexation Information webpage.

Customer and Financial Services

• Low Income Application for Reduction of Sanitary Sewer Charges
• Direct Debit Authorization Agreement for Sanitary Sewer Charges
• New vendor form

Erosion Prevention and Sediment Control

• WES EPSC Permit Application
• WES Single Family EPSC Guidance and Sample plan
• WES Non-single Family Plan Guidance and Templates
• Erosion Prevention and Sediment Control Planning & Design Manual
• Best Management Practices Drawings

Sanitary Sewer

System Planning

• Collection System Master Plan

Land Use and Plan Review

• Service Provider Letter 
• Design Standards
• Appendix A – Permitting and Submittal Requirements 
• Appendix B – Sanitary Sewer Standard Detail Drawings
• Engineering Agreement – Sanitary Sewer 
• Construction Notes – Sanitary Sewer 
• Tap-In Fact Sheet
• Surface Water, Storm Drainage and Sanitary Sewer Easement (public) – contact Development Review Staff

Acceptance Forms

• Certificate of Completion (Private Improvements)
• Certificate of Completion (Public Improvements)
• Public Sanitary Sewer Extension Permit 
• Service Connection Drawings
• Low Air Pressure / Mandrel Testing
• Manhole Vacuum Testing
• Cost Data Sheet – Sanitary Sewer
• Conveyance of Public Extension 
• Warranty Bond
• Performance Bond
• Security Agreement

Source Control and Industrial Pretreatment

• Industrial Pretreatment: Non-residential questionnaire
• Application and Baseline Monitoring Report for Industrial Wastewater Discharge Permit
• Discharge Certification Report
• No Discharge Certification Report
• Application to Discharge Septic Tank Waste at the Tri-City Water Pollution Control Plant
• Total Toxic Organic Certification Report

Stormwater

Land Use and Plan Review 

• Service Provider Letter 
• Design standards
• Appendix A – Permitting and Submittal Requirements 
• Appendix B – Planting and O&M Guidance
• Appendix C – Stormwater Typical Drawings and Standard Details
• Appendix D – Facility Sizing Methodology and Resources
• Infiltration Testing Report
• Engineering Agreement - Standard
• Engineering Agreement - Single Family Residence
• Construction Notes – Storm 
• Surface Water, Storm Drainage and Sanitary Sewer Easement (public) – contact Development Review Staff 

Completion Forms

• Certificate of Completion (Private Improvements)
• Certificate of Completion (Public Improvements)
• Cost Data Sheet – Storm
• Warranty Bond
• Security Agreement
• Performance Bond

Maintenance

• Public Maintenance Agreement 
• Private Stormwater Maintenance Agreement - Single Lot
• Private Stormwater Maintenance Agreement - Partition
• Stormwater Covenants, Conditions and Restrictions (CC&Rs) Recommendations
• Stormdrain Cleaning Assistance Program (SCAP) Available August through October
• Annual stormdrain structure maintenance report

WQRA Buffers

• Buffer Standards
• WQRA Boundary Verification Application 
• WQRA Development Permit Application 

Rules and Regulations

• Rules and Regulations