Watercolour of a small house at dusk, with the water meter cover in the sidewalk out front.

Is there lead in Casper's tap water?

1PPBLead in Casper's water at the latest test, from 2024 to 2026

Below 15, the level that requires action

Water companies that supply Casper

7 public water companies list Casper as a place they supply. The biggest is Casper's water department, with about 59,000 people. The highest latest result among Casper's water companies is 2 parts per billion, at Vista West Water Company. None of the 7 with results was above 15 at its latest test. 4 found too little lead to measure. 5 are small systems serving fewer than 500 people each, such as a mobile home park, a subdivision or a business with its own well.

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