In a Black Hawk plumbing emergency, close the main valve, and if you smell gas, leave and call 911 and your gas utility from outside. Then call the number on this page to be connected with a local plumber in Black Hawk.

Black Hawk, the former gold-mining "City of Mills," is now a small casino town of restored historic buildings along North Clear Creek and Colorado's least populous city. The City of Black Hawk Water Department supplies drinking water to the entire city from two of its own treatment plants: Dory Hill on North Clear Creek, which uses membrane filtration, and Hidden Valley on Clear Creek near I-70. Water from Hidden Valley travels about seven miles through three pump stations and over a summit roughly 1,800 feet above the plant before flowing by gravity to a tank on Miners Road. The city adds soda ash for corrosion control and disinfects with chlorine gas.
First steps
- Close the main valve to stop the flow.
- Call the city about city water problems. The Water Superintendent is at (303) 582-2246 and the Water Resources Engineer at (303) 582-2237.
- Turn off a leaking water heater at its cold supply and its gas or breaker.
- Stop using water during a backup.
- Smell gas? Leave, then call 911 and the gas utility named on your bill from outside.
- Photograph the damage before you clean up.
Symptoms and likely causes
| Symptom | Likely cause |
|---|---|
| No water after a frigid night | Frozen line in a crawl space or exterior wall |
| Hissing behind a wall as it warms up | Pipe that froze and split |
| Water pooling at the water heater | Tank failure or loose connection |
| Drains gurgling and backing up | Blockage in the building's sewer line |
| Ceiling drip in an older building | Worn supply line, joint or fixture seal above |
Cost factors
Black Hawk sits in the mountains about 28 miles from downtown Denver, so travel and road conditions can add to both the price and the time it takes a plumber to get there. Night, weekend and holiday calls usually cost more. Steep sites and old buildings can make access slower. Our research did not confirm Black Hawk's sewer provider, where the city's part of a service line ends, or the gas utility, so call the city before assuming a leak near the street is yours. The City has contracted SAFEbuilt for Building Division services since 2015, and building permit questions go to the city's Community Planning and Development inquiry address. When you call, give the address, what failed and whether the main is off. No arrival time is promised.
Emergency Plumber questions in Black Hawk
Who do I call when a water main breaks in the street?
A pipe froze and split during a cold snap. What now?
I smell gas near the furnace or water heater. What should I do?
Which plumbing problems can safely wait for regular business hours?
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