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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

City of White Oak - 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: 0.0 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
2019-07-171803133ND
2019-07-181803137ND
2019-07-181803136ND
2019-07-181803138ND
2019-07-181803135ND
2019-07-171803121ND
2019-07-171803120ND
2019-07-171803119ND
2019-07-171803122ND
2019-07-171803134ND
2019-07-171803130ND
2019-07-171803132ND
2019-07-171803131ND
2019-07-171803123ND
2019-07-171803124ND
2019-07-171803125ND
2019-07-171803126ND
2019-07-171803127ND
2019-07-171803128ND
2019-07-171803129ND
MORE
LESS

Read more about lead here.