Service areas / Lexington
Water softeners and filtration in Lexington, KY
How hard is Lexington water?
Total hardness, Kentucky River Station reported by Kentucky American Water: Average 161 ppm, range 60 to 340 (Samples from 2025). Total hardness, Richmond Road Station reported by Kentucky American Water: Average 149 ppm, range 74 to 320 (Samples from 2025). Total hardness, Kentucky River Station II reported by Kentucky American Water: Average 153 ppm, range 85 to 244 (Samples from 2025).
Soft to very hard Kentucky American Water's figures for Lexington read as soft to very hard on the USGS scale.
Source: 2025 Annual Water Quality Report (Kentucky American Water, Central and Northern divisions). Sources last checked October 28, 2026.
Lexington, KY water at a glance
- Water utility
- Kentucky American Water
- Published hardness
- 60 to 340 mg/L, about 3.5 to 19.9 grains per gallon, soft to very hard on the USGS scale (source)
- Sources last checked
- October 28, 2026
What does Kentucky American Water publish about Lexington water?
Kentucky American Water supplies Lexington from the Kentucky River and Jacobson Reservoir through three treatment plants.
| Measure | As published | Period | Source |
|---|---|---|---|
| Total hardness, Kentucky River Station | Average 161 ppm, range 60 to 340 | Samples from 2025 | 2025 Annual Water Quality Report (Kentucky American Water, Central and Northern divisions) |
| Total hardness, Richmond Road Station | Average 149 ppm, range 74 to 320 | Samples from 2025 | 2025 Annual Water Quality Report (Kentucky American Water, Central and Northern divisions) |
| Total hardness, Kentucky River Station II | Average 153 ppm, range 85 to 244 | Samples from 2025 | 2025 Annual Water Quality Report (Kentucky American Water, Central and Northern divisions) |
- Each plant reports about 9 grains per gallon on average, and single samples ran as low as 60 ppm and as high as 340 ppm.
- Source water is pools 3 and 9 of the Kentucky River and Jacobson Reservoir.
- The report lists chloramines as the disinfectant.
What does 60 to 340 mg/L mean for a Lexington home?
60 to 340 mg/L is about 3.5 to 19.9 grains per gallon. The low end, 60 mg/L, is right at the 60 mg/L top of the USGS soft class; Lexington's high end, 340 mg/L, is 160 mg/L over the 180 mg/L line where the USGS very hard class starts. (USGS hardness classes)
Which systems fit Lexington water?
How does a Lexington quote work?
- Send a request from one of the 16 Lexington ZIP codes listed below.
- An assessment at your home, where your tap can be checked against Kentucky American Water's published 60 to 340 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 Lexington?
- Total hardness, Kentucky River Station reported by Kentucky American Water: Average 161 ppm, range 60 to 340 (Samples from 2025). Total hardness, Richmond Road Station reported by Kentucky American Water: Average 149 ppm, range 74 to 320 (Samples from 2025). Total hardness, Kentucky River Station II reported by Kentucky American Water: Average 153 ppm, range 85 to 244 (Samples from 2025).
- Is Lexington water hard or soft?
- Soft to very hard. The low end, 60 mg/L, is right at the 60 mg/L top of the USGS soft class; Lexington's high end, 340 mg/L, is 160 mg/L over the 180 mg/L line where the USGS very hard class starts.
- How many grains per gallon is Lexington water?
- The utility publishes hardness in mg/L, not grains. The published 60 to 340 mg/L is about 3.5 to 19.9 grains per gallon, converted by us at 17.1 mg/L per grain.
- How does Lexington water compare with nearby cities?
- Published hardness in Lexington spans 60 to 340 mg/L. Covered cities near Lexington: Louisville 128 mg/L. Each figure comes from that city's own utility, not from Lexington's.
- Do I need a water softener in Lexington?
- Kentucky American Water publishes 60 to 340 mg/L for Lexington, which reads as soft to very hard. A test at your house shows whether your tap matches it.
- Which water treatment system fits a Lexington home?
- Lexington's published 60 to 340 mg/L reads as soft to very hard, which is what a softener treats. The installing company tests the water at your Lexington address before quoting.
- Is the water the same in every Lexington home?
- 3 published figures cover Lexington, from 1 utility; which applies depends on where you live.
- Does a water softener remove chlorine?
- No. A softener targets hardness, not the disinfectant Kentucky American Water adds.
- How much does a water softener cost in Lexington?
- We publish no prices for Lexington. 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 Lexington yet. We will tell you the company's name and ask you before your request is shared with anyone.
- Is My Home Water System part of the Lexington city government or water utility?
- No. My Home Water System is not affiliated with Kentucky American Water; it copies and links the published figures.
- Is booking an assessment a purchase?
- No, and a request commits you to nothing.
ZIP codes this page covers
40502, 40503, 40504, 40505, 40507, 40508, 40509, 40510, 40511, 40513, 40514, 40515, 40516, 40517, 40526, 40536
Compare Lexington with other cities on hard water by city.