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

Is there lead in Jefferson's tap water?

NO LEADfound in Jefferson Township W U Lk Hop's water at the latest test, from January to June 2026

Too little lead to measure

Water companies that supply Jefferson

5 public water companies list Jefferson as a place they supply. The biggest is Jefferson Township W U Lk Hop, with about 8,500 people. The highest latest result among Jefferson's water companies is 4.9 parts per billion, at Jefferson Township W U Milton Sys. None of the 5 with results was above 15 at its latest test. 3 found too little lead to measure. Small ones like Loziers Trailer Park supply just their own grounds or street; most of Jefferson gets its water from Jefferson Township W U Lk Hop. 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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