Utah Admin. Code R309-525-8 - Color Coding and Pipe Marking
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 |
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.