Figure: 30 TAC §290.42(d)(13)(A)
LETTERS | COLOR OF PIPE |
Potable Water | Light Blue |
Compressed Air | Light Green |
Instrument Air | Light Green with Dark Green Bands |
Chlorine (gas, liquid, or vent) | Yellow |
Chlorine (solution) | Yellow with Red Bands |
Liquid Alum | Yellow with Orange Bands |
Alum (solution) | Yellow with Green Bands |
Ammonia | Yellow with Brown Bands |
Chlorine Dioxide (solution) | Yellow with Blue Bands |
Ferric chloride | Brown with Red Bands |
Ferric sulfate | Brown with Yellow Bands |
Polymers | White with Green Bands |
Liquid caustic | White with Red Bands |
Caustic (solution) | White with Orange Bands |
Fluoride | White with Yellow Bands |
Ozone | Stainless Steel with White Bands |
Settled Water | Green |
Filter Effluent | Light Blue |
Backwash Supply | Light Blue |
Backwash Waste | Dark Grey |
Drain | Dark Grey |
Raw Water | Tan |