Highlands Ranch Water does not publish a hardness figure for its own system, so a softener decision should start with a test at your tap. Its supply is mostly reservoir water with some wells and purchased water, and it uses chloramine, which a softener does not remove. Call the number on this page to be connected with a local plumber in Highlands Ranch.

What happens when you call
The call connects you with an independent plumber who covers Highlands Ranch. Tell them what prompted the call: scale on fixtures, a tankless heater error, a taste you do not like, or simply a new house with no treatment. A visit usually starts with a hardness test and a look at where the main enters the home, often in a basement or garage in Highlands Ranch's mostly 1980s-and-later subdivisions. The plumber then explains whether a softener, a carbon filter or nothing at all fits what the test shows.
Cost factors
- The test result, which decides whether a softener is warranted
- Softener capacity, valve type and resin volume
- Catalytic carbon if chloramine taste is a concern
- Drain and electrical access near the main
- County permit and any metro district approval
- Ongoing salt, potassium or filter media
Highlands Ranch water, briefly
Highlands Ranch Water, run as Centennial Water and Sanitation District, covers every property in Highlands Ranch and Solstice. Most of its supply is surface water: snowmelt from the South Platte River, Plum Creek and Dad Clark Gulch stored in McLellan, McLoud, Tingle and Chatfield reservoirs. South Platte alluvial and Denver Basin aquifer wells serve mainly as backup, and the district also buys some water from Denver Water, Aurora and East Cherry Creek Valley. Everything is treated at the Joseph B. Blake plant, and chloramine is used in the distribution system.
The 2026 report does not list a hardness value for Highlands Ranch Water's own system. With several sources in the mix, a test is the honest starting point. The district states it has no lead service lines.
Highlands Ranch is unincorporated, so permits come from the Douglas County Building Division, and the Highlands Ranch Metro District says its own approval is needed before the county issues building permits for projects it reviews. Your plumber can confirm what applies to a softener.
Quick checklist
- Locate the main shutoff and the curb stop
- Note your water heater type and age
- Decide whether irrigation and hose bibs should bypass treatment
- Clear floor space near a drain and an outlet
Water Softeners & Filtration questions in Highlands Ranch
Does my water provider publish a hardness number?
Will a softener get rid of chlorine or chloramine taste?
Does installing a softener need a permit?
Should outdoor faucets and irrigation stay on hard water?
More plumbing services in Highlands Ranch
Water Softeners & Filtration nearby
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