Is there lead in Modesto's tap water?
12PPBparts per billion of lead in Modesto's water at the latest test, in tests since 2025
Just under the legal limit of 15 ppb
Just under the legal limit of 15 ppb
10 public water companies list Modesto as a place they supply. The biggest is Modesto's water department, with about 218,915 people. The highest latest result among Modesto's water companies is 12 parts per billion, at Modesto's water department. None of the 10 with results was above 15 at its latest test. 7 found too little lead to measure. Small ones like City of Modesto - Central Turlock supply just their own grounds or street; most of Modesto gets its water from Modesto's water department. 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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