Utah Administrative Code
Topic - Environmental Quality
Title R309 - Drinking Water
Rule R309-525 - Facility Design and Operation: Conventional Surface Water Treatment
Section R309-525-8 - Color Coding and Pipe Marking

Universal Citation: UT Admin Code R 309-525-8
Current through Bulletin 2024-18, September 15, 2024

The piping in water treatment plants shall be color coded for identification. The following table contains color schemes recommended by the Division. Identification of the direction of flow and the contained liquid shall also be made on the pipe.

TABLE 525-1

Recommended Color Scheme for Piping Water Lines

Raw

Olive Green

Settled or Clarified

Aquamarine

Finished

Dark Blue

Chemical Lines

Alum

Orange

Ammonia

White

Carbon Slurry

Black

Chorine (Gas and Solution)

Yellow

Fluoride

Light Blue with Red Band

Lime Slurry

Light Green

Potassium Permanganate

Violet

Sulfur Dioxide

Light Green with Yellow Band

Waste lines

Backwash Waste

Light Brown

Sludge

Dark Brown

Sewer (Sanitary or Other)

Dark Gray

Other

Compressed Air

Dark Green

Gas

Red

Other Lines

Light Gray

Disclaimer: These regulations may not be the most recent version. Utah may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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