If you smell gas in a Black Hawk building, leave first, then call 911 and your gas utility from outside; the utility and its emergency number are on your gas bill. For piping repairs and new appliance lines, call the number on this page to be connected with a local plumber in Black Hawk.
Gas work in a small historic city
Black Hawk is Colorado's least populous city, a former gold-mining settlement known as the City of Mills that became a casino town in 1991. Its restored historic buildings line North Clear Creek and share a National Historic District with neighboring Central City. Gas work here often means old buildings with modern equipment added, and commercial kitchens and mechanical rooms alongside a small number of homes. Steep sites along Gregory Gulch and the creek make routing pipe more involved.
No gas utility for Black Hawk was confirmed from an official source, so check your gas bill for the provider and its emergency number. The City contracts SAFEbuilt for its Building Division, including plan review and inspections; questions go to [email protected]. The division's page does not mention plumbing permits specifically, so confirm the requirements before work begins.
What to do now
- Gas odor? Get everyone out of the building without operating switches or equipment.
- Call from a safe distance: 911 and the gas utility on your bill.
- Keep people out until responders clear the building.
- Arrange the repair with a plumber for piping after the meter.
- For a planned project, contact the Building Division early about permits and inspection.
Symptoms and what they usually mean
| Symptom | Likely cause |
|---|---|
| Sulfur smell | Gas leak: evacuate and call |
| Burners lighting slowly | Low pressure or a dirty burner |
| Orange flames, soot | Incomplete combustion or altitude setup |
| Hissing behind equipment | Loose fitting or worn connector |
| Rust on exposed pipe | Moisture in an old building or near the creek |
Cost factors
- Access in historic structures and on steep lots
- Pipe sizing for commercial equipment loads
- How much original piping must be replaced
- Scheduling around business hours
- Permit, plan review and inspection through SAFEbuilt
At this elevation, appliances should follow the manufacturer's altitude instructions, and older buildings deserve a full pressure test before new equipment is added.
For businesses, plan gas work around operating hours and coordinate with building management, since shutting off gas to a kitchen or mechanical room affects the whole operation. Ask for the pressure test record and inspection sign-off for your files.
Gas Line Services questions in Black Hawk
How do I know which gas utility serves my address?
Does gas piping work here need a permit?
What do plumbers tend to find in the gas piping of older homes?
Do gas appliances need adjusting at mountain elevations?
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