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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Charles Town Utilities - 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: 31

Highest level detected in 2019: 19.0 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
2019-07-233548928102319.0 ppb
2019-07-23354892810067.00 ppb
2019-07-23354892810196.10 ppb
2019-07-22354892810011.60 ppb
2019-07-23354892810151.50 ppb
2019-07-23354892810281.20 ppb
2019-07-2335489281025ND
2019-07-2335489281020ND
2019-07-2335489281021ND
2019-07-2335489281022ND
2019-07-2335489281024ND
2019-07-2335489281016ND
2019-07-2335489281026ND
2019-07-2335489281027ND
2019-07-2335489281029ND
2019-07-2335489281030ND
2019-07-2335489281031ND
2019-07-2335489281018ND
2019-07-2335489281017ND
2019-07-2335489281014ND
2019-07-2335489281013ND
2019-07-2335489281012ND
2019-07-2335489281011ND
2019-07-2335489281010ND
2019-07-2335489281009ND
2019-07-2335489281008ND
2019-07-2335489281007ND
2019-07-2335489281005ND
2019-07-2335489281004ND
2019-07-2335489281003ND
2019-07-2335489281002ND
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LESS

Read more about lead here.