Texas Administrative Code
Title 30 - ENVIRONMENTAL QUALITY
Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
Chapter 217 - DESIGN CRITERIA FOR DOMESTIC WASTEWATER SYSTEMS
Subchapter M - SAFETY
Section 217.329 - Color Coding of Pipes

Universal Citation: 30 TX Admin Code § 217.329

Current through Reg. 49, No. 52; December 27, 2024

(a) A new wastewater treatment facility must have color-coded pipes in accordance with subsection (e) of this section.

(b) A new wastewater treatment facility must have detectable underground warning tape for each non-metallic underground pipe.

(c) An existing wastewater treatment facility must color-code and install detectable underground warning tape for each pipe installed as part of an alteration.

(d) A non-potable water pipe must be painted purple and be stenciled "NON-POTABLE WATER, DO NOT DRINK" and "NO BEBA EL AGUA."

(e) A wastewater treatment facility design must use the following color-coding for pipes:

(1) sludge - brown;

(2) natural gas - red;

(3) potable water - light blue;

(4) chlorine - yellow;

(5) sulfur dioxide - lime green with yellow bands;

(6) sewage - grey;

(7) compressed air - light green;

(8) heated water - blue with 6 inch red bands spaced 30 inches apart;

(9) power conduit - in compliance with the National Fire Protection Association 70 National Electrical Code®;

(10) reclaimed water- purple with black lettering;

(11) gray water- purple with yellow writing;

(12) instrument air - light green with dark green bands;

(13) liquid alum - yellow with orange bands;

(14) alum (solution) - yellow with green bands;

(15) ferric chloride - brown with red bands;

(16) ferric sulfate - brown with yellow bands;

(17) polymers - white with green bands;

(18) ozone - stainless steel with white bands;

(19) raw water - tan; and

(20) effluent after clarification - dark green.

Disclaimer: These regulations may not be the most recent version. Texas 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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