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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

City of Mount Holly - 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: 46

Highest level detected in 2019: 0.0 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
2019-07-1692437447001_37712ND
2019-06-1292432901013A_3771ND
2019-06-1292432901013_37712ND
2019-06-1292432901014A_3771ND
2019-06-1292432901014_37712ND
2019-06-1892433664001_37712ND
2019-06-1892433664002_37712ND
2019-06-1892433664003_37712ND
2019-06-1892433664004_37712ND
2019-06-1892433664005_37712ND
2019-06-1892433664007_37712ND
2019-06-1992433664006_37712ND
2019-06-1292432901012_37712ND
2019-07-1692437447002_37712ND
2019-07-1692437447003_37712ND
2019-07-1692437447004_37712ND
2019-07-1692437447005_37712ND
2019-07-3092439554001_37712ND
2019-07-3092439554002_37712ND
2019-08-0592440055001_37712ND
2019-08-0592440055002_37712ND
2019-09-0992444838001A_3771ND
2019-09-0992444838001_37712ND
2019-06-1292432901007A_3771ND
2019-06-1292432901001_37712ND
2019-06-1292432901002A_3771ND
2019-06-1292432901002_37712ND
2019-06-1292432901003A_3771ND
2019-06-1292432901003_37712ND
2019-06-1292432901004A_3771ND
2019-06-1292432901004_37712ND
2019-06-1292432901005A_3771ND
2019-06-1292432901005_37712ND
2019-06-1292432901006A_3771ND
2019-06-1292432901006_37712ND
2019-06-1292432901001A_3771ND
2019-06-1292432901007_37712ND
2019-06-1292432901008A_3771ND
2019-06-1292432901008_37712ND
2019-06-1292432901009A_3771ND
2019-06-1292432901009_37712ND
2019-06-1292432901010A_3771ND
2019-06-1292432901010_37712ND
2019-06-1292432901011A_3771ND
2019-06-1292432901011_37712ND
2019-06-1292432901012A_3771ND
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Read more about lead here.