Per its 2025 report, Central Weld County Water District averaged 33 mg/L of hardness, a level it calls soft, since anything under 60 mg/L counts as soft. That matters for anyone shopping for a water softener in Firestone, CO. A softener removes hardness minerals, so if your water has few, a softener may add cost and maintenance without much benefit.
Filtration answers a different question. A filter targets specific things such as chlorine taste, sediment or lead, and each filter type has its own limits. The sensible order is to learn what is in your water, then choose the equipment, and a licensed plumber can install either one.
Residents in ZIP codes 80504 and 80520 may be on different supply sources, so check which one serves your address before spending anything.
Do you need a softener at all?
Hardness is the dissolved calcium and magnesium that leaves scale on heaters, faucets and glass. At 33 mg/L, CWCWD water sits well under the district's own line for soft water, so heavy scale buildup is less likely for homes it serves. A softener there would mostly address a problem that may not exist. A tankless water heater also scales more slowly in soft water, though it still needs flushing.
Test before you buy. A simple test strip or lab sample tells you your hardness, and the report from your supplier says what the water is when it leaves the plant.
Which supplier serves your address
The Town of Firestone does not treat water. Per its 2024 report, it buys treated water from Central Weld County Water District and from St. Vrain Water Authority, which draws on a groundwater well. The district's hardness figure is public. We have not seen a hardness number for the other supplier, so we will not guess one.
Look at your water bill for the supplier name, or ask the Town. Then read that supplier's water quality report. A home on groundwater may have different hardness from a home on district water, and that decides whether softening makes sense. The Central Weld County Water District water quality report is the guideline to check before a salesperson quotes you a system.
Unsure what your water needs?
Call and a plumber will walk through the report with you.
Softening versus filtering
These solve different problems and are often confused.
A softener does this
- Swaps hardness minerals for sodium or potassium.
- Reduces scale in pipes, heaters and fixtures.
- Needs salt refills and periodic valve service.
- Does not remove lead, chlorine or sediment.
A filter does this
- Removes specific contaminants, depending on the media.
- Improves taste and odor when carbon is used.
- Needs cartridges replaced on a schedule.
- Does not remove hardness unless paired with a softener.
Common systems and where they fit
| System | Best for | Honest limit |
|---|---|---|
| Under-sink RO | Drinking and cooking water at one tap. | Slow, wastes some water, treats one faucet. |
| Whole-home carbon filter | Chlorine taste and odor at every tap. | Does not soften and needs media changes. |
| Sediment filter | Particles that clog fixtures | Does not touch dissolved minerals. |
| Salt softener | Homes with measurable hardness | Little benefit when hardness is already low. |
| Point-of-use lead filter | Drinking water at the kitchen tap. | Look for ANSI certification on the package. |
The lead notice from the Town's water report
The Town's 2024 report, covering 2023 data, shows a lead 90th percentile of 2.1 ppb, against an action level of 15 ppb. We cannot say whether your house has a lead service line, and the report does not say either. The Town advises running a tap for several minutes if water has sat, and considering an ANSI-certified filter for lead.
Take that as practical advice, not alarm. Flush the cold tap before drinking after a long absence, and if you add a filter, check that the package names an ANSI certification for lead. A softener will not remove lead, so one filter is not a substitute for the other.
Repairing an existing softener or conditioner
Many homes already have a unit. These faults come up most often.
Hard water again.
The salt may be bridged or the resin tired.
Control valve problems.
A valve that will not cycle or keeps running can fail to regenerate.
Brine tank trouble.
Salt crust, a clogged line or a float stuck in the tank.
Leaks at fittings.
Bypass valves and drain lines can seep at connections.
Low pressure after install.
A clogged resin bed or inlet screen can restrict flow.
Questions to settle before you spend anything
A short list saves most buyers from the wrong equipment.
- What is my hardness?Read your supplier's report or test at home.
- Which supplier serves me?Check your bill or ask the Town.
- What is bothering me?Spots, taste, scale on the heater, or lead worry each point to a different answer.
- Do I want to maintain it?Salt, cartridges and filter changes all need attention.
- Is my heater already scaled?Scale on a heater is a reason to ask about water heater service separately.
What changes the price of water softener and filtration
Price depends on what you install and on the plumbing around it.
Water treatment equipment is usually an owner expense, not an insured loss. If a failed unit leaks and damages a floor, your policy may respond, and we cannot speak for your insurer.
Curious what a specific system would cost? Describe your home and get the figure stated up front. Call (303) 552-3896.
Questions about water softener and filtration in Firestone
It depends on your supplier. Central Weld County Water District reports 33 mg/L average, which it calls soft. Other suppliers may differ, so read the report for the one on your bill.
Test first. If your hardness is low, a softener may do little. If you have high hardness or heavy scale, it is worth a conversation with a plumber.
No. Softeners target hardness minerals. For lead, the Town advises considering an ANSI-certified filter.
Reverse osmosis cleans the water at one tap, usually the kitchen. A whole-home filter treats every tap but targets different things, such as chlorine taste.
Yes. Common faults include a stuck control valve, a bridged brine tank and worn fittings. Describe the symptom on the call.
Yes. Under-sink systems fit at a single tap. Tell us the sink and whether the cabinet has room. See plumbing installation for how planned jobs run.
We also work in Dacono. Its water source differs, so ask the city for its report.