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EWG's Tap Water Database — 2019 UPDATE

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What About Lead?

City of Corinth - click here to return to the utility page.

According to EWG’s analysis of 2017 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 2017: 30

Highest level detected in 2017: 9.1 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, 2017

Samples in red indicate that the sample is above the EPA action level.

DateLab IDResult
2017-06-1657955259.10 ppb
2017-06-1557955196.70 ppb
2017-06-1957955225.30 ppb
2017-06-1557955183.70 ppb
2017-06-1557955082.80 ppb
2017-06-1557955271.70 ppb
2017-06-1657955201.50 ppb
2017-06-1757955301.30 ppb
2017-06-1457955091.20 ppb
2017-06-1457955031.10 ppb
2017-06-155795529ND
2017-06-155795523ND
2017-06-165795515ND
2017-06-155795504ND
2017-06-155795505ND
2017-06-155795506ND
2017-06-155795507ND
2017-06-155795521ND
2017-06-155795502ND
2017-06-155795517ND
2017-06-155795501ND
2017-06-155795528ND
2017-06-155795526ND
2017-06-155795524ND
2017-06-155795510ND
2017-06-155795511ND
2017-06-155795512ND
2017-06-155795513ND
2017-06-155795514ND
2017-06-155795516ND
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Read more about lead here.