Water Hardness in Boulder City, Nevada
Boulder City Utilities Department
Utility-reported average
17 GPG
290 ppm as calcium carbonate
Source period
2025 report
Source checked 2026-09-15
What the local data tells you
The report describes an approximate average of 290 ppm or 17 GPG. An average does not establish uniform hardness at every tap.
Water sources listed for Boulder City: Colorado River via Lake Mead. Source blends, sampling locations and treatment can affect the hardness at a particular property.
Source and coverage
2025 Boulder City Water Quality Report, page 7Public water system ID: NV0000011
This is municipal water information, not a test of your home. Check the utility on your water bill, particularly near city boundaries or if you use a private well.
How we verify sources and handle estimatesChoosing a softener for your home
Start with a hardness test on the water entering the softener. Next, estimate the household water use that actually passes through it. Outdoor irrigation is usually a separate demand and should not automatically be included.
A softener needs enough usable exchange capacity between regenerations and enough service flow for fixtures used at the same time. The advertised grain capacity is not necessarily the capacity at an efficient salt setting. Compare the manufacturer's capacity and salt-dose table, ongoing salt use, installation requirements and warranty.