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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Onslow Water And Sewer Authority - 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: 50

Highest level detected in 2019: 7.0 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
2019-07-0437729_19-28199 7.00 ppb
2019-07-0337729_19-28196 4.00 ppb
2019-07-0237729_19-28198 4.00 ppb
2019-07-0137729_19-28188 3.00 ppb
2019-07-0437729_19-28179 ND
2019-07-1637729_19-30073 ND
2019-07-0437729_19-28184 ND
2019-07-0437729_19-28201 ND
2019-07-0537729_19-28178 ND
2019-07-0537729_19-28180 ND
2019-07-0537729_19-28181 ND
2019-07-0537729_19-28194 ND
2019-07-0537729_19-28197 ND
2019-07-0537729_19-28203 ND
2019-07-0637729_19-28191 ND
2019-07-0737729_19-29688 ND
2019-07-0837729_19-29686 ND
2019-07-0937729_19-29678 ND
2019-07-1037729_19-29687 ND
2019-07-1137729_19-30072 ND
2019-07-1537729_19-30071 ND
2019-07-1637729_19-30066 ND
2019-07-1637729_19-30067 ND
2019-07-1637729_19-30068 ND
2019-07-1637729_19-30069 ND
2019-07-1637729_19-30070 ND
2019-07-0137729_19-28185 ND
2019-07-0237729_19-28209 ND
2019-07-0137729_19-28206 ND
2019-07-0237729_19-28182 ND
2019-07-0237729_19-28183 ND
2019-07-0237729_19-28187 ND
2019-07-0237729_19-28189 ND
2019-07-0237729_19-28190 ND
2019-07-0237729_19-28193 ND
2019-07-0237729_19-28195 ND
2019-07-0237729_19-28202 ND
2019-07-0237729_19-28205 ND
2019-07-0237729_19-28207 ND
2019-07-0437729_19-28177 ND
2019-07-0237729_19-28210 ND
2019-07-0237729_19-28211 ND
2019-07-0237729_19-28213 ND
2019-07-0237729_19-28214 ND
2019-07-0337729_19-28186 ND
2019-07-0337729_19-28192 ND
2019-07-0337729_19-28200 ND
2019-07-0337729_19-28204 ND
2019-07-0337729_19-28208 ND
2019-07-0337729_19-28212 ND
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Read more about lead here.