Golden State Water Company’s Engineering Design Center has made the below resources available for contractors.

All Golden State Water Company projects with work orders created on or after November 16, 2016 will use and reference the 2016 version of the GSWC Standard Drawings and Potable Water Materials Guideline listed on this web page. Please refer to project specific instructions in PlanetBid to determine the applicability of these documents. These documents also apply to all repair construction projects initiated after November 16, 2016.

Standard Drawings (Part A)
• Pipeline Construction
• Civil and Site Work

Standard Drawings (Part B)
• Pump Stations
• Wells
• Water Tanks

Potable Water Materials Guideline

National Pollutant Discharge Elimination System (NPDES)

Golden State Water’s Holiday Schedule