Water Hardness in Murfreesboro, Tennessee
The water hardness in Murfreesboro, TN is 170 ppm (9.9 grains per gallon), which is classified as Moderately Hard . Water in Murfreesboro is supplied by Murfreesboro Water Resources and comes primarily from underground aquifer and well water sources. While a water softener is not strictly necessary at this hardness level, some homeowners in Murfreesboro opt for a conditioner to reduce minor spotting and improve soap performance.
Water Quality Details for Murfreesboro, TN
What 170 PPM Means for Your Home in Murfreesboro
At 170 ppm, Murfreesboro's water is moderately hard. This is the threshold where most homeowners begin to notice real effects: white scale buildup on faucets and showerheads, reduced soap lathering that leads to using more shampoo and detergent, spots on dishes even with rinse aid, and a chalky film on shower glass. Your water heater is beginning to accumulate mineral deposits that reduce its energy efficiency by 10 to 15 percent. A water softener or salt-free conditioner is worth considering at this level, particularly if you have a tank-style water heater, multiple bathrooms, or a large household that uses significant amounts of hot water.
Water Source and Treatment at Murfreesboro Water Resources
Murfreesboro's water is supplied by Murfreesboro Water Resources and sourced primarily from underground aquifers accessed through deep wells. Groundwater has been naturally filtered through rock and soil, which makes it generally free of biological contaminants but higher in dissolved minerals. The 170 ppm hardness in Murfreesboro results from water percolating through limestone, chalk, or dolomite formations underground, dissolving calcium and magnesium along the way. The water has a pH of 7.7, which is slightly alkaline, and total dissolved solids of 265 ppm (moderate).
Estimated Cost of Hard Water in Murfreesboro
The Water Quality Association estimates that hard water costs the average household about 30 cents per grain per gallon per person per year in combined expenses from increased soap and detergent usage, reduced appliance efficiency, higher energy bills from scale-encrusted water heaters, and premature appliance and plumbing replacement. For a typical Murfreesboro household of 2.5 people with water at 170 ppm (9.9 gpg), this translates to approximately $7 per year. Over 10 years, that adds up to $75 in avoidable costs — often more than the total cost of installing and operating a water softener.
Recommended Treatment Solutions for Murfreesboro
Based on the water hardness of 170 ppm in Murfreesboro, the following treatment options are recommended, ranked by effectiveness for your specific hardness level.
Salt-Based Water Softener
$800 - $2,500 Effectiveness: High Removes minerals Learn more →Salt-Free Water Conditioner
$1,000 - $3,000 Effectiveness: Moderate Conditions only Learn more →Reverse Osmosis System
$200 - $500 Effectiveness: High Removes minerals Learn more →Electronic Descaler
$150 - $400 Effectiveness: Moderate Conditions only Learn more →Other Cities in Tennessee
Compare Murfreesboro's water hardness with other cities in Tennessee. Water hardness can vary significantly within a state depending on local geology and water sources.
| City | Hardness (PPM) | GPG | Level | Source |
|---|---|---|---|---|
| Murfreesboro | 170 ppm | 9.9 | Moderately Hard | Ground |
| Franklin | 145 ppm | 8.5 | Moderately Hard | Ground |
| Clarksville | 110 ppm | 6.4 | Slightly Hard | Surface |
| Nashville | 100 ppm | 5.8 | Slightly Hard | Surface |
| Knoxville | 90 ppm | 5.3 | Slightly Hard | Surface |
| Chattanooga | 80 ppm | 4.7 | Slightly Hard | Surface |
| Johnson City | 65 ppm | 3.8 | Slightly Hard | Surface |
| Memphis | 60 ppm | 3.5 | Soft | Ground |
Test Your Water for Accurate Results
The hardness value shown for Murfreesboro (170 ppm) is based on the most recent available data from Murfreesboro Water Resources. Your actual water hardness may vary depending on your neighborhood, the age of your plumbing, and seasonal changes in water supply. For the most accurate measurement, we recommend testing your tap water with a home test kit or requesting a current water quality report from Murfreesboro Water Resources. Visit our hardness scale guide to understand what your test results mean, or explore all treatment solutions to find the right option for your home.