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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Coweta 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: 30

Highest level detected in 2019: 21.0 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
2019-08-21AK2876521.0 ppb
2019-09-17AK3330017.0 ppb
2019-08-27AK2876413.0 ppb
2019-09-05AK297443.80 ppb
2019-09-10AK310283.60 ppb
2019-09-04AK297451.90 ppb
2019-08-29AK29741ND
2019-10-08AK34762ND
2019-09-23AK33304ND
2019-09-19AK33303ND
2019-09-18AK33302ND
2019-09-18AK33301ND
2019-09-09AK31027ND
2019-09-09AK31026ND
2019-09-05AK31006ND
2019-08-29AK29743ND
2019-08-29AK29742ND
2019-08-21AK28761ND
2019-08-29AK29736ND
2019-08-28AK29740ND
2019-08-28AK29739ND
2019-08-28AK29737ND
2019-08-27AK29738ND
2019-08-27AK28770ND
2019-08-27AK28769ND
2019-08-22AK28768ND
2019-08-22AK28767ND
2019-08-22AK28762ND
2019-08-21AK28766ND
2019-08-21AK28763ND
MORE
LESS

Read more about lead here.