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

Is there lead in Rock Valley's tap water?

2PPBparts per billion of lead in Rock Valley Water Supply's water at the latest test, from 2023 to 2025

Under the legal limit of 15 ppb

Water companies that supply Rock Valley

2 public water companies list Rock Valley as a place they supply. The biggest is Rock Valley Water Supply, with about 4,059 people. The highest latest result among Rock Valley's water companies is 2.4 parts per billion, at the Rock Valley Rural Water District. None of the 2 with results was above 15 at its latest test. Small ones like Rock Valley Rural Water District supply just their own grounds or street; most of Rock Valley gets its water from Rock Valley Water Supply. Your water bill names yours.

Rock Valley Water Supplyabout 4,059 people · latest lead test: 2 ppb · 712-470-1936
The Rock Valley Rural Water Districtabout 2,250 people · latest lead test: 2.4 ppb · 712-476-5246

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