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EWG's Tap Water Database — 2019 UPDATE

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What About Lead?

Oakwood Water System - 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: 18.0 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, 2017

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

DateLab IDResult
2017-09-055171415218.0 ppb
2017-01-26516026957.00 ppb
2017-09-06517141493.80 ppb
2017-08-08517049820.900 ppb
2017-06-1951674356ND
2017-06-2151674358ND
2017-06-2151674357ND
2017-08-0851704983ND
2017-08-0851704981ND
2017-08-0851704984ND
2017-08-0951704980ND
2017-08-3051714151ND
2017-08-3051714148ND
2017-09-0551714150ND
2017-06-1051670809ND
2017-06-1051670813ND
2017-06-0951670814ND
2017-01-2451602700ND
2017-01-2551602693ND
2017-01-2651602694ND
2017-01-2751602699ND
2017-01-2751602696ND
2017-01-2851602701ND
2017-01-2951602702ND
2017-03-0451620061ND
2017-06-0851670808ND
2017-06-0851670811ND
2017-06-0851670810ND
2017-06-0851670812ND
2017-01-2451602698ND
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LESS

Read more about lead here.