Firestone does not treat its own water; it buys treated water from Central Weld County Water District, which reports soft water averaging 33 mg/L, and from St. Vrain Water Authority. For most homes on town water a softener is unlikely to be worth the cost, though a test can confirm it. Call the number on this page to be connected with a local plumber in Firestone.

A quick look at Firestone water
The Town of Firestone distributes water but runs no treatment plant. It buys from Central Weld County Water District, whose Carter Lake surface water is treated at the Carter Lake Filter Plant, and from St. Vrain Water Authority's Gould Well. Both are disinfected with chlorine. Central Weld reports average total hardness of 33 mg/L, which is soft. Firestone's own report does not list hardness, and the share of each supply reaching your tap may vary. Homes in Barefoot Lakes get water from Little Thompson Water District instead of the town.
What to do now
- Confirm your provider: Town of Firestone or, in Barefoot Lakes, Little Thompson Water District.
- Read the town's water quality report and Central Weld's hardness figure.
- If you still see heavy scale, have a plumber test at the kitchen tap to rule supply in or out.
- Check the water heater. Sediment from an unflushed tank often looks like hard-water buildup.
- If taste is the concern, ask about a carbon filter for chlorine instead of a softener.
- Get permit questions answered up front; the town's fee schedule includes plumbing items such as water heater replacement.
What symptoms usually mean here
| Symptom | Likely cause |
|---|---|
| Light film on glasses | Detergent or rinse-aid issue more than hardness |
| Flakes in faucet screens | Water heater sediment or debris after main work |
| Chlorine smell | Normal disinfectant residual |
| Rotten-egg odor from hot water | Anode rod reaction inside the heater |
| Heavy white crust | Worth a test; unusual on soft supply |
Cost factors
- A hardness test first, which may end the conversation
- Carbon filtration at one tap or the whole house
- Water heater flush, anode replacement or replacement
- Access to the main in newer subdivision homes
- Town permit fees where they apply
Firestone's Building Division at Town Hall on Park Avenue handles permits. Many homes here are fairly new, so the plumbing is usually straightforward to work on. Firestone also publishes a separate after-hours line for water emergencies, 720-652-4222, which is the number to use for a break on the town side rather than a problem with equipment in your house. For anything on the house side of the meter, including treatment equipment, a plumber is the right call.
Water Softeners & Filtration questions in Firestone
Does my water provider publish a hardness number?
How hard does water have to be before a softener is worth it?
Will a softener get rid of chlorine or chloramine taste?
Does a softener help a water heater or tankless unit last?
More plumbing services in Firestone
Water Softeners & Filtration nearby
Helpful guides
Sources
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