Technical FAQs
There are no governing bodies that require specific color coding; therefore, the PVC pipe industry has self-standardized color coding of PVC pipe. Below is the typical industry color coding standard of PVC pipe:
| Color | Application | 
|---|---|
| Blue | Pressurized potable water | 
| Green | Sewer, both gravity and force main | 
| Purple | Reclaimed (non-potable) water | 
| White | General use – (plumbing, Drain/Waste/Vent, or Water well) | 
| Gray | General use – (typically plumbing and electrical) | 
Note:
- There is no regulation of the actual shade of color used. Therefore, based on the manufacturer, the specific color may have slightly different shades. For example, Westlake Pipe & Fittings’ Green PVC sewer may have a slightly different shade than other manufacturers.
- The color of the pipe material does not affect the pipe performance.
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