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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

City of Bay City - 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: 30

Highest level detected in 2019: 23.0 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
2019-07-26Q194912702623.0 ppb
2019-07-29Q19491270054.60 ppb
2019-07-26Q19491270252.10 ppb
2019-07-27Q19491270171.60 ppb
2019-07-26Q19491270231.60 ppb
2019-07-26Q19491270301.40 ppb
2019-07-30Q19491270081.40 ppb
2019-07-29Q19491270031.10 ppb
2019-07-26Q19491270241.000 ppb
2019-07-29Q1949127004ND
2019-07-29Q1949127010ND
2019-07-30Q1949127007ND
2019-07-28Q1949127002ND
2019-07-28Q1949127001ND
2019-07-30Q1949127009ND
2019-07-27Q1949127020ND
2019-07-27Q1949127019ND
2019-07-27Q1949127016ND
2019-07-27Q1949127018ND
2019-07-27Q1949127006ND
2019-07-25Q1949127021ND
2019-07-26Q1949127011ND
2019-07-26Q1949127029ND
2019-07-26Q1949127028ND
2019-07-26Q1949127027ND
2019-07-26Q1949127015ND
2019-07-25Q1949127014ND
2019-07-25Q1949127013ND
2019-07-25Q1949127012ND
2019-07-25Q1949127022ND
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Read more about lead here.