Water softeners and filtration in Charlotte, NC
How hard is Charlotte water?
Total hardness reported by Charlotte Water: Average 32 ppm, range 27-35 ppm (Calendar year 2025).
Soft Charlotte Water's figures for Charlotte read as soft on the USGS scale.
Source: 2025 Annual Drinking Water Quality Report (Consumer Confidence Report 2025 - Charlotte Water). Sources last checked October 27, 2026.
What does Charlotte Water publish about Charlotte water?
Charlotte Water treats water drawn from Mountain Island Lake and Lake Norman in the Catawba River basin.
| Measure | As published | Period | Source |
|---|---|---|---|
| Total hardness | Average 32 ppm, range 27-35 ppm | Calendar year 2025 | 2025 Annual Drinking Water Quality Report (Consumer Confidence Report 2025 - Charlotte Water) |
- A single September 2026 sample at the Franklin plant, posted on Charlotte Water's site, read 39 ppm.
What does 27 to 35 mg/L mean for a Charlotte home?
27 to 35 mg/L is about 1.6 to 2.0 grains per gallon. The low end, 27 mg/L, is 33 mg/L under the 60 mg/L top of the USGS soft class; Charlotte's high end, 35 mg/L, is 25 mg/L under the 60 mg/L top of the USGS soft class. (USGS hardness classes)
Which systems fit Charlotte water?
How does a Charlotte quote work?
- Send a request from one of the 27 Charlotte ZIP codes listed below.
- An assessment at your home, where your tap can be checked against Charlotte Water's published 27 to 35 mg/L.
- You get a written quote listing what is included.
- Installation and service by that company.
Common questions
- How hard is the water in Charlotte?
- Total hardness reported by Charlotte Water: Average 32 ppm, range 27-35 ppm (Calendar year 2025).
- Is Charlotte water hard or soft?
- Soft. The low end, 27 mg/L, is 33 mg/L under the 60 mg/L top of the USGS soft class; Charlotte's high end, 35 mg/L, is 25 mg/L under the 60 mg/L top of the USGS soft class.
- How many grains per gallon is Charlotte water?
- The utility publishes hardness in mg/L, not grains. The published 27 to 35 mg/L is about 1.6 to 2.0 grains per gallon, converted by us at 17.1 mg/L per grain.
- Where does Charlotte tap water come from?
- Charlotte water comes from Mountain Island Lake and Lake Norman on the Catawba River. Source: Charlotte Water 2025 Annual Drinking Water Quality Report.
- Is Charlotte water treated with chlorine or chloramine?
- Charlotte Water adds chlorine to prevent bacterial growth. Source: Charlotte Water 2025 Annual Drinking Water Quality Report. A softener does not remove it.
- Do I need a water softener in Charlotte?
- Charlotte Water publishes 27 to 35 mg/L for Charlotte, which reads as soft. A test at your house shows whether your tap matches it.
- Is the water the same in every Charlotte home?
- Charlotte Water publishes one figure for its whole system (Calendar year 2025).
- How much does a water softener cost in Charlotte?
- We publish no prices for Charlotte. The installing company gives a written quote after an assessment at your home.
- Who installs the system?
- We have not named a local installing company for Charlotte yet. We will tell you the company's name and ask you before your request is shared with anyone.
- Is Charlotte Water Systems part of the city or the water utility?
- No. Charlotte Water Systems is not affiliated with Charlotte Water; it copies and links the published figures.
- Is booking an assessment a purchase?
- No, and a request commits you to nothing.
Which ZIP codes does this page cover?
28202, 28203, 28204, 28205, 28206, 28207, 28208, 28209, 28210, 28211, 28212, 28213, 28214, 28215, 28216, 28217, 28223, 28226, 28244, 28262, 28269, 28270, 28273, 28274, 28277, 28280, 28282
Compare published hardness in other cities on hard water by city.
Machine-readable facts: water.json. Summary for AI assistants: llms.txt.
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