Private Well Water Testing in New Mexico

County-by-county USGS area-risk estimates for private wells across New Mexico — arsenic exceedance probability and private-well population — plus how to test your own well at a New Mexico-certified laboratory.

New Mexico private-well risk summary

Counties covered

New Mexico counties with modeled risk data.

People on private wells

area estimate

266,717

estimated across covered New Mexico counties.

Average arsenic risk

area estimate

11%

average modeled chance a well exceeds 10 µg/L arsenic across covered counties.

New Mexico counties

Find a New Mexico-certified testing lab

Get your well tested at a New Mexico-certified laboratory. We list certification programs by state.

New Mexico certified labs

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These figures are USGS area estimates: statistical groundwater models describing how likely elevated contaminant levels are across a county. They are not designed to predict the concentration in any single well. Only testing your own well reveals its water quality.

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By TapWaterData Editorial