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Is Your Hill Country Well Water Safe? What Every Well Owner Should Test For

June 2026

A private well gives you independence from the city — and full responsibility for what comes out of your tap. Unlike municipal water, no one is testing or treating your well for you. In the Texas Hill Country, that matters more than most homeowners realize.

Common Hill Country well-water problems

  • Bacteria: Coliform and other bacteria can enter through the wellhead, cracks or surface runoff. Their presence signals a pathway for contamination.
  • Iron & manganese: Cause rusty-orange staining on fixtures and laundry plus a metallic taste.
  • Hydrogen sulfide: The “rotten egg” smell, common in area wells.
  • Hardness: Limestone and granite geology make most well water very hard.
  • Nitrates: A concern near agricultural land, and a real risk for infants.
  • Arsenic, radium & radon: Naturally occurring in parts of Central Texas, especially the granite country around the Highland Lakes. Invisible and tasteless — only testing reveals them.

How often should you test?

The general guidance for private wells is to test at least once a year for bacteria and nitrates, and to test for heavy metals and minerals when you notice changes in taste, smell or color — or before relying on a new well. After any flooding or nearby construction, test again.

Treating well water

Because wells often have several issues at once, the solution is usually a multi-stage system rather than a single device: sediment filtration, iron removal, a softener for hardness, UV disinfection to kill bacteria, and reverse osmosis at the kitchen tap for drinking water. The exact train depends entirely on your water.

That’s why we start every well project with testing — see our well water solutions or request a free estimate to find out what your water needs.

Get Cleaner Central Texas Water

Find out exactly what’s in your water with a free estimate from Crusader of Texas.

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