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

Is there lead in Bolton's tap water?

5.7PPBparts per billion of lead in Ctwc - Northern Reg-Llynwood's water at the latest test, from 2022 to 2024

Under the legal limit of 15 ppb

Water companies that supply Bolton

5 public water companies list Bolton as a place they supply. The biggest is Ctwc - Northern Reg-Llynwood, with about 192 people. The highest latest result among Bolton's water companies is 11.6 parts per billion, at Sunset Apartments LLC. None of the 5 with results was above 15 at its latest test. 2 found too little lead to measure. Small ones like Sunset Apartments LLC supply just their own grounds or street; most of Bolton gets its water from Ctwc - Northern Reg-Llynwood. 4 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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