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

Is there lead in Johnston's tap water?

NO LEADfound in Johnston Municipal Water Supply's water at the latest test, from 2023 to 2025

Too little lead to measure

Water companies that supply Johnston

2 public water companies list Johnston as a place they supply. The biggest is Johnston Municipal Water Supply, with about 24,897 people. The highest latest result among Johnston's water companies is 2 parts per billion, at Camp Dodge Water Supply. None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure. Small ones like Camp Dodge Water Supply supply just their own grounds or street; most of Johnston gets its water from Johnston Municipal Water Supply. Your water bill names yours.

Johnston Municipal Water Supplyabout 24,897 people · latest lead test: none found · 515-278-0822
Camp Dodge Water Supplyabout 1,169 people · latest lead test: 2 ppb · 515-252-4557

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