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

Is there lead in Thornton's tap water?

3PPBparts per billion of lead in Woodland Hills Mhc's water at the latest test, from 2023 to 2025

Under the legal limit of 15 ppb

Water companies that supply Thornton

6 public water companies list Thornton as a place they supply. The biggest is Woodland Hills Mhc, with about 1,740 people. The highest latest result among Thornton's water companies is 3 parts per billion, at Woodland Hills Mhc. None of the 6 with results was above 15 at its latest test. 5 found too little lead to measure. Small ones like Thornton Estates supply just their own grounds or street; most of Thornton gets its water from Woodland Hills Mhc. 3 are small systems serving fewer than 500 people each, such as a mobile home park, a subdivision or a business with its own well. Your water bill names yours.

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