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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Boswell Public Works Authority - 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: 40

Highest level detected in 2019: 1.9 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
2019-12-1819126641.94 ppb
2019-06-1219064811.06 ppb
2019-06-1219064790.940 ppb
2019-06-1219064820.590 ppb
2019-12-1819126500.540 ppb
2019-06-1219064970.540 ppb
2019-12-1819126560.520 ppb
2019-12-181912662ND
2019-12-181912661ND
2019-12-181912660ND
2019-12-181912659ND
2019-12-181912658ND
2019-12-181912657ND
2019-06-121906478ND
2019-12-181912655ND
2019-12-181912654ND
2019-12-181912653ND
2019-12-181912652ND
2019-12-181912651ND
2019-12-181912663ND
2019-06-121906480ND
2019-12-181912649ND
2019-12-181912648ND
2019-06-121906491ND
2019-06-121906483ND
2019-06-121906484ND
2019-06-121906485ND
2019-06-121906486ND
2019-06-121906487ND
2019-06-121906488ND
2019-06-121906489ND
2019-06-121906490ND
2019-12-181912647ND
2019-06-121906492ND
2019-06-121906493ND
2019-06-121906494ND
2019-06-121906495ND
2019-06-121906496ND
2019-12-181912645ND
2019-12-181912646ND
MORE
LESS

Read more about lead here.