San Angelo vs McAllen Water Quality

If you are comparing San Angelo and McAllen water quality - whether moving, choosing between the two, or curious about a relative's water - here is what the data shows.

Hardness comparison

San Angelo has somewhat harder water at 298 PPM versus McAllen at 290 PPM, a difference of 8 PPM. At 298 PPM, San Angelo residents should budget for a water softener ($600-$1,500 installed). Without one, expect scale buildup on fixtures, reduced water heater efficiency, and $800-$1,200/year in hidden costs. McAllen also has hard water but to a lesser degree.

Both cities have hard water, but San Angelo's higher hardness means more aggressive scale buildup and higher household impact.

Water sources and why they differ

Water sources differ: San Angelo draws from O.C. Fisher Lake, Twin Buttes Reservoir, while McAllen uses Rio Grande. Both use similar source types, but local geology creates the hardness variation.

Contaminant concerns

PFAS contamination is a concern in both cities. A reverse osmosis system or NSF P473-certified filter is recommended for drinking water.

What this means for you

If you are moving from McAllen to San Angelo, you will notice the water difference. Budget for a water softener and expect to use more soap and detergent until you install one.

Not sure what your specific situation needs? Take the quiz to get a recommendation based on your water data, budget, and household size.