Gas Public Awareness

Pipeline Markers

For public safety, most pipelines are buried underground. To help identify their locations, CPWA installs pipeline markers near:

• Roads and highways

• Railroad and river crossings

• Above-ground piping

• Other key locations along rights-of-way

These markers show the approximate location, the type of product transported, and emergency contact information. Not all pipelines have markers, so before digging—whether planting a tree, building a fence, installing a mailbox, or putting in a pool—call OKIE One-Call at 811 or 1-800-522-6543.

Customer Responsibility for Gas Piping

CPWA is not responsible for maintaining gas piping beyond the customer’s meter. This buried piping:

• May corrode or leak

• Should be checked periodically

• Should be inspected by a licensed plumber or contractor

If any unsafe conditions are found, repairs should be made immediately.

High Consequence Areas (HCA)

Certain areas are designated as HCAs under federal law. CPWA follows Integrity Management Programs in these areas to:

• Inspect for corrosion

• Detect anomalies

• Ensure safety

For more information, contact CPWA at 918.476.8925.

Pipeline Safety Overview

Built-In Safety

CPWA designs, builds, and maintains pipelines to meet or exceed PHMSA (Pipeline & Hazardous Materials Safety Administration) regulations through:

• Detailed planning and design

• Using inspected, tested steel and polyethylene piping

• Protective coatings to resist corrosion

• High-pressure testing before service

Ongoing Maintenance

Once in operation, pipelines are monitored by:

• Regular ground patrols

• Over-pressure protection inspections

• Cathodic protection (prevents steel corrosion)

• Coordination with local emergency services

• Emergency markers placed along pipeline routes

Recognizing and Reporting Gas Leaks

While gas pipeline leaks are rare, being able to recognize the signs can prevent serious hazards.

Signs of a Leak

• Sight: White clouds, mist, bubbling water, dead vegetation, or blowing dust

• Smell: A sulfur or "rotten egg" odor (added for detection)

• Sound: Hissing, whistling, or roaring noises

If you suspect a leak:

• DO:

  • Leave the area immediately

  • Call the CPWA emergency number: 918-373-3644

  • Warn others to stay away

• DO NOT:

  • Touch or inhale the gas

  • Use matches, light switches, phones, or anything that can create a spark

  • Try to put out a fire

  • Operate valves

Partners in Pipeline Safety

Pipelines are the safest method of transporting natural gas. CPWA delivers gas 24/7 to Oklahoma State University and surrounding communities.

However, third-party digging is the leading cause of pipeline damage. This includes:

• Scratches

• Dents

• Cutting of tracer wire/tape

To avoid damage:

• Always call OKIE One-Call (811 or 1-800-522-6543) at least 48 hours before digging.

• This free service will notify utility companies, who will send technicians to mark underground lines.

Additional Resources

• Chouteau Public Works Authority (CPWA): 918-476-8925

• CPWA 24-Hour Emergency: 918-373-3644

• National Pipeline Mapping System: www.npms.phmsa.dot.gov

• PHMSA (Pipeline Safety Info): www.phmsa.dot.gov/pipeline

• Common Ground Alliance: www.commongroundalliance.com

• Oklahoma Corporation Commission: www.occeweb.com

Our Commitment

Chouteau Public Works Authority prioritizes Safety, Health, and Environmental Stewardship above all else. Every employee is responsible for protecting people and the environment. We are committed to using the highest standards to safeguard the communities we serve.