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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

City of Portland - 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: 17.0 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
2019-08-22Q196064300217.0 ppb
2019-08-24Q196064301014.0 ppb
2019-09-05Q196626500113.0 ppb
2019-08-21Q19588970082.00 ppb
2019-08-21Q19606430031.90 ppb
2019-08-26Q19616550031.30 ppb
2019-08-22Q19606430091.10 ppb
2019-08-30Q1961655008ND
2019-08-28Q1961655001ND
2019-08-27Q1961655004ND
2019-08-27Q1961655006ND
2019-08-27Q1961655005ND
2019-08-27Q1961655002ND
2019-09-04Q1966265002ND
2019-08-23Q1960643006ND
2019-08-22Q1960643008ND
2019-08-22Q1960643001ND
2019-08-19Q1958897006ND
2019-08-22Q1960643004ND
2019-08-21Q1961655007ND
2019-08-21Q1958897009ND
2019-08-21Q1958897010ND
2019-08-21Q1958897005ND
2019-08-21Q1958897004ND
2019-08-21Q1958897001ND
2019-08-21Q1958897007ND
2019-08-21Q1960643005ND
2019-08-21Q1960643007ND
2019-08-20Q1958897003ND
2019-08-20Q1958897002ND
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Read more about lead here.