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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

City of Cedar Hill - 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: 16.0 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
2019-06-112019-00938316.0 ppb
2019-06-142019-00937911.0 ppb
2019-06-142019-0093981.000 ppb
2019-06-112019-0093761.000 ppb
2019-06-122019-0094041.000 ppb
2019-06-192019-0093991.000 ppb
2019-06-142019-009370ND
2019-06-252019-009598ND
2019-06-162019-009382ND
2019-06-182019-009381ND
2019-06-182019-009406ND
2019-06-192019-009402ND
2019-06-192019-009397ND
2019-06-192019-009377ND
2019-06-192019-009384ND
2019-06-202019-009385ND
2019-06-232019-009597ND
2019-06-102019-009380ND
2019-06-142019-009368ND
2019-06-142019-009374ND
2019-06-142019-009375ND
2019-06-132019-009400ND
2019-06-122019-009372ND
2019-06-122019-009373ND
2019-06-112019-009378ND
2019-06-112019-009371ND
2019-06-112019-009405ND
2019-06-112019-009401ND
2019-06-102019-009369ND
2019-06-102019-009403ND
MORE
LESS

Read more about lead here.