Colorado well water / Arsenic
Arsenic in Colorado private well water
If your Colorado well water test shows arsenic, compare the number to common health and aesthetic benchmarks, then confirm next steps with a certified lab or local professional.
Plain-English interpretation
Long-term arsenic exposure is linked to cancer and other chronic health risks.
Confirm the result, use bottled water for drinking if elevated, and install certified treatment for drinking/cooking water.
What Colorado homeowners should check
- Confirm the exact unit on the lab report before comparing limits.
- Retest health-related contaminants with a certified lab before major treatment purchases.
- Keep a copy of each report for home sale, rental, and treatment service records.
- Set an annual reminder for bacteria and nitrate testing.
Treatment discussions
- Reverse osmosis
- Adsorptive media
- Distillation
Related Colorado well water guides
Nitrate
High nitrate can be dangerous for infants and pregnant people.
Lead
Lead is especially harmful for children and pregnancy, even at low levels.
Total Coliform
Coliform bacteria indicate a possible pathway for contamination into the well.
E. coli
E. coli suggests fecal contamination and can cause acute illness.
pH
Low pH can corrode plumbing; high pH can cause scale and taste issues.
Hardness
Hard water causes scale, appliance wear, and soap inefficiency.
Keep your well history
Interpret once on the web. Track forever in the app.
Save test history, set annual reminders, compare results over time, and create a shareable report for your family or water professional.
Track Arsenic results in the app