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

Is there lead in South Beloit's tap water?

4PPBparts per billion of lead in Il American-South Beloit's water at the latest test, in 2025

Under the legal limit of 15 ppb

Water companies that supply South Beloit

2 public water companies list South Beloit as a place they supply. The biggest is Il American-South Beloit, with about 7,893 people. Small ones like Northgate Estates MHP supply just their own grounds or street; most of South Beloit gets its water from Il American-South Beloit. 1 has no lead test results on file. Your water bill names yours.

Il American-South Beloitabout 7,893 people · latest lead test: 4 ppb · 618-874-2408
Northgate Estates MHPabout 100 people · 779-770-0014

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