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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

City of Canton - click here to return to the utility page.

According to EWG’s analysis of 2019 lead testing results, this utility complied with federal water quality regulations for lead. Under the federal Lead and Copper Rule, lead concentrations must be below 15 parts per billion (ppb) in 90 percent of households sampled. If this legal limit is exceeded, the water utility must apply measures to control lead leaching from water pipes.

Number of lead samples taken in 2019: 20

Highest level detected in 2019: 11.3 ppb

Levels of lead detected


Complying with the EPA's lead rules doesn't mean that the water is safe for children to drink. The EPA’s recent modeling suggests that lead concentrations in the 3.8 to 15 ppb range can put a formula-fed baby at risk of elevated blood lead levels. In 2009, the California Office of Environmental Health Hazard Assessment set a public health goal level of 0.2 ppb for lead in drinking water to protect against even subtle IQ loss in children.

Lead Results, 2019

Samples in red indicate that the sample is above the EPA action level.

DateLab IDResult
2019-08-26181628911.3 ppb
2019-08-181812236ND
2019-08-211812242ND
2019-08-201812240ND
2019-08-201812239ND
2019-08-201812241ND
2019-08-191812231ND
2019-08-181812233ND
2019-08-181812238ND
2019-08-181812237ND
2019-08-161812229ND
2019-08-181812235ND
2019-08-181812234ND
2019-08-181812232ND
2019-08-171812230ND
2019-08-161812224ND
2019-08-161812225ND
2019-08-161812226ND
2019-08-161812227ND
2019-08-161812228ND
MORE
LESS

Read more about lead here.