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Call Before You Dig

digExcavation damage is the leading cause of serious natural gas pipeline incidents. Careless digging can damage underground utilities, causing disruption of vital services, property damage and even possible injury. Taking the proper steps to avoid damage can prevent expensive repairs, project delays and costly fines.

At least three business days, prior to outdoor construction or digging, contractors and property owners – whoever is excavating – must call New Jersey One Call at 811 or 800-272-1000 and take the following steps:

  • Wait for the site to be marked with paint, flags or stakes. Yellow indicates the presence of underground natural gas lines.
  • Respect the marks and dig with care.
  • Hand dig within two feet of buried piping and facilities.
  • Be mindful inclement weather may wash away the painted markings.

Don’t make assumptions about whether or not you should have your utility lines marked. Every digging job requires a call to 811 or 800-272-1000 – even small projects like planting trees and shrubs.

Know What's Below and Call Before You Dig - 811 or 800-272-1000. It’s FREE and it’s the LAW. For additional information about 811, visit New Jersey One Call.

If damage occurs to natural gas lines, no matter how minor, report it immediately to 911 and call NJNG at 800-GAS-LEAK (427-5325). Property owners near NJNG’s pipeline facilities should report any suspicious activity by contacting 800-221-0051.

Download NJNG’s Call Before You Dig brochure, written in both Spanish and English. To request a FREE printed copy of this brochure, send an e-mail request or call 732-378-4965.

Damage Prevention Seminars Are Virtual: This year we will be providing the Damage Prevention Seminar virtually to educate and promote the importance of underground utility safety. We strongly encourage you and/or your staff to register for one of these FREE virtual sessions to learn more about damage prevention and why it’s so important to call 811 for a mark out before you dig – it’s the law in New Jersey. Please email to schedule your virtual session. 


Always Call 811 Before You Dig!

Always Call 811 Before You Dig!