The city's own report is the source for the county's hardness numbers — Round Rock doesn't hide it. We measure your water, show you the numbers, and install the right system — with pricing you can see up front.
Is Round Rock water hard?
Round Rock's own 2024 water quality report puts hardness between 184 and 358 ppm — 10.7 to 20.9 grains per gallon — averaging about 271 ppm. That range is exactly why some Round Rock homes fight scale worse than their neighbors.
Round Rock water
Round Rock's own 2024 water quality report puts hardness between 184 and 358 ppm — 10.7 to 20.9 grains per gallon — averaging about 271 ppm. That range is exactly why some Round Rock homes fight scale worse than their neighbors.
City water or well, the fix is the same three-step job: measure the water, see the numbers, install the right system. No pressure at any step — and if you're on septic, every softener we put in meets the Texas demand-initiated-regeneration rule.
City of Round Rock treated supply
For Round Rock homes
Metered ion-exchange softener. Built for Williamson County hard water.
Softening plus whole-house carbon filtration. One system, both jobs.
Metered coconut-shell carbon. Chlorine, taste and odor — no salt.
Round Rock questions
184–358 ppm / 10.7–20.9 gpg (hard to very hard). Round Rock's own 2024 water quality report puts hardness between 184 and 358 ppm — 10.7 to 20.9 grains per gallon — averaging about 271 ppm. That range is exactly why some Round Rock homes fight scale worse than their neighbors. A softener reduces hardness and dissolved iron; whole-house filtration also reduces chlorine, taste and odor. A free in-home test confirms exactly what your Round Rock water contains.
Yes. Round Rock is about 15 minutes from Georgetown and part of the Georgetown, Williamson County and the greater North Austin metro. We test, size, install and service the equipment locally — and if you're on septic, every softener we install meets Texas §366.013.
The Diamond Soft 30,000-grain softener is $6,480 installed, the whole-house combo is $9,997, and the Black Diamond carbon filter is $6,280. Prices are published and financing is available.
One free 20-minute test gives you hardness and iron levels — and the right system for your home.