Standard Specifications and Details

All Direct Service and Lease Managed water system projects are to follow the Design Standards (Design Manual) and utilize the Erie County Water Authority’s (Authority) Standard Specifications and Details. This information is available for viewing or downloading in Portable Document Format (PDF) or AutoCAD format (DWG) by clicking onto the links provided below.

The Authority has made significant changes to our standards (Rev. 2024-01), below are some highlights:

  • Design Manual – Watermains
    • Added Sections
      • Section 3.7 – Water Distribution System Pressure
      • Section 3.8 – Hydraulic Network Analysis
      • Section 3.9 – Watermain Location
      • Section 3.24 – PVC Pipe in Contaminated Soils
      • Section 3.28 – Horizontal Directional Drilling
      • Section 3.35 – Watermain Replacement

    • Significant Revisions
      • Section 3.13 (old Section 3.10) – Pipe Material Selection and Design
      • Section 3.18 (old Section 3.15) – Thrust Restraint Requirements
      • Section 3.22 (old Section 3.19) – Fittings
      • Section 3.23 (old Section 3.20) – Corrosion Protection
      • Section 3.27 (old Section 3.23) – Casing Requirements
      • Section 3.36 (old Section 3.30) – Service Replacements

  • Design Manual – Tanks and Pump Stations
    • Global changes throughout

  • Standard Details
    • Global changes to all details

The Water Authority will revise the standards periodically in the future. You are encouraged to check the website as needed for updates.

If you would like to have email notification regarding revisions, please click here.



Design Manuals

Design Manuals

Design Manuals
Standard Details

Standard Details

Standard Detail Drawings
Technical Specifications

Technical Specifications

Site Construction, Concrete, and Mechanical Specifications
Works Approval

Works Approval

Completed Works Approval Procedure and Requirments for Record Documents.