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EWG's Tap Water Database — 2019 UPDATE

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What About Lead?

North Penn Water Authority - 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: 38

Highest level detected in 2017: 33.0 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
2017-08-081656591733.0 ppb
2017-08-011656582727.0 ppb
2017-08-16165659352.00 ppb
2017-07-31165658312.00 ppb
2017-08-09165659192.00 ppb
2017-08-02165658492.00 ppb
2017-04-10159373031.000 ppb
2017-08-09165659091.000 ppb
2017-08-02165658351.000 ppb
2017-08-0216565845ND
2017-08-0916565927ND
2017-08-1516565939ND
2017-08-1516565945ND
2017-08-1516565941ND
2017-08-1616565931ND
2017-04-1015937305ND
2017-08-1616565937ND
2017-08-1616565943ND
2017-08-1616565933ND
2017-08-1616565947ND
2017-08-1716565949ND
2017-08-1816566250ND
2017-08-0916565923ND
2017-08-0116565829ND
2017-08-0916565915ND
2017-08-0216565843ND
2017-08-0216565839ND
2017-08-0116565841ND
2017-08-0316565847ND
2017-08-0816565907ND
2017-08-0116565837ND
2017-08-0816565929ND
2017-08-0816565921ND
2017-08-0816565925ND
2017-08-0116565833ND
2017-08-0916565911ND
2017-08-0916565913ND
2017-08-3116726742ND
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Read more about lead here.