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Energy Safety

Respect the warning signs

District energy heats hundreds of buildings from hot-water mains beneath the streets. Most vapor you see is harmless — but knowing the difference, and who to call, keeps everyone safe.

Report a District Energy Emergency All Safety Topics

What You're Seeing on the Street

Three common sights, decoded.

Temporary Vent Stacks

Those tall tubes vent harmless vapor away from pedestrians and traffic while crews investigate or repair below. They're a safety device, not a problem.

Manhole Wisps

Light vapor after rain is usually water hitting warm pipes. Persistent, forceful, or loud vapor is worth a call — let our crews take a look.

Signs of Trouble

A roaring sound, vapor under pressure, bulging pavement, or mud and debris being thrown up: keep well clear and call 1-800-555-0199 immediately.

If You Suspect a Leak

Three steps, in order

  1. Move away. Escaping hot water and vapor can scald in seconds — distance is your protection.
  2. Call it in. Dial 1-800-555-0199, day or night. In immediate danger, call 911 first.
  3. Keep others clear. Warn pedestrians and don't drive over affected pavement until crews arrive.
Building operators: energy transfer rooms and service entrances should stay clear, ventilated, and accessible. Schedule your annual trap and valve inspections — small maintenance prevents big surprises. See commercial district energy services.

See Something? Say Something.

Every report gets a crew response — there is no penalty for a false alarm made in good faith.

Call 1-800-555-0199 More Safety Guidance
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