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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Jefferson County PWSD 3 - 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: 11.8 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
2019-07-16AD4585211.8 ppb
2019-07-19AD458544.92 ppb
2019-07-14AD458614.33 ppb
2019-07-16AD458634.04 ppb
2019-07-25AD458682.83 ppb
2019-07-15AD458742.38 ppb
2019-07-15AD458771.74 ppb
2019-07-16AD458691.19 ppb
2019-07-16AD45856ND
2019-07-11AD45853ND
2019-07-19AD45879ND
2019-07-13AD45871ND
2019-07-18AD45858ND
2019-07-18AD45865ND
2019-07-18AD45866ND
2019-07-16AD45873ND
2019-07-16AD45862ND
2019-07-16AD45875ND
2019-07-13AD45860ND
2019-07-16AD45876ND
2019-07-14AD45878ND
2019-07-16AD45855ND
2019-07-14AD45881ND
2019-07-15AD45880ND
2019-07-15AD45872ND
2019-07-15AD45870ND
2019-07-15AD45859ND
2019-07-15AD45857ND
2019-07-15AD45864ND
2019-07-15AD45867ND
MORE
LESS

Read more about lead here.