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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Monroe - 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: 104

Highest level detected in 2019: 36.0 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
2019-08-27LLI6050836.0 ppb
2019-02-04LLI2461430.0 ppb
2019-09-06LLI6237027.0 ppb
2019-08-06LLI5544522.0 ppb
2019-08-26LLI6048319.0 ppb
2019-07-20LLI5112711.0 ppb
2019-08-28LLI617948.00 ppb
2019-09-02LLI617967.00 ppb
2019-02-04LLI246156.00 ppb
2019-08-27LLI605046.00 ppb
2019-08-28LLI618006.00 ppb
2019-08-30LLI617885.00 ppb
2019-09-06LLI623715.00 ppb
2019-03-12LLI291924.00 ppb
2019-08-26LLI604824.00 ppb
2019-08-26LLI604854.00 ppb
2019-08-27LLI605094.00 ppb
2019-08-27LLI605074.00 ppb
2019-08-28LLI617994.00 ppb
2019-09-05LLI623684.00 ppb
2019-09-09LLI623754.00 ppb
2019-09-09LLI623744.00 ppb
2019-08-26LLI604753.00 ppb
2019-08-27LLI604943.00 ppb
2019-08-27LLI604763.00 ppb
2019-03-12LLI291932.00 ppb
2019-08-26LLI604742.00 ppb
2019-08-27LLI604772.00 ppb
2019-08-27LLI605062.00 ppb
2019-08-30LLI617872.00 ppb
2019-09-05LLI623692.00 ppb
2019-09-06LLI623672.00 ppb
2019-09-06LLI623662.00 ppb
2019-02-01LLI246131.000 ppb
2019-08-09LLI554421.000 ppb
2019-08-14LLI579611.000 ppb
2019-08-26LLI604841.000 ppb
2019-08-27LLI604901.000 ppb
2019-08-27LLI604911.000 ppb
2019-08-27LLI605051.000 ppb
2019-08-28LLI617931.000 ppb
2019-08-30LLI617911.000 ppb
2019-09-02LLI617951.000 ppb
2019-02-20LLI26819ND
2019-02-20LLI26820ND
2019-03-13LLI29493ND
2019-03-13LLI29494ND
2019-08-01LLI54491ND
2019-08-01LLI54490ND
2019-08-06LLI55447ND
2019-08-06LLI55446ND
2019-08-09LLI55443ND
2019-08-09LLI55444ND
2019-08-14LLI57964ND
2019-08-14LLI57965ND
2019-08-14LLI57962ND
2019-08-14LLI57963ND
2019-08-14LLI57966ND
2019-08-25LLI60487ND
2019-08-25LLI60497ND
2019-08-25LLI60496ND
2019-08-25LLI60486ND
2019-08-25LLI60480ND
2019-08-25LLI60481ND
2019-08-25LLI60492ND
2019-08-25LLI60493ND
2019-08-26LLI60478ND
2019-08-26LLI60499ND
2019-08-26LLI60502ND
2019-08-26LLI60479ND
2019-08-26LLI60498ND
2019-08-26LLI60503ND
2019-08-27LLI60500ND
2019-08-27LLI60489ND
2019-08-27LLI60488ND
2019-08-27LLI60472ND
2019-08-27LLI60472ND
2019-08-27LLI60501ND
2019-08-27LLI60473ND
2019-08-27LLI60473ND
2019-08-27LLI60495ND
2019-08-27LLI60473ND
2019-08-27LLI60473ND
2019-08-27LLI60472ND
2019-08-27LLI60472ND
2019-08-27LLI61782ND
2019-08-27LLI61781ND
2019-08-28LLI61786ND
2019-08-28LLI61785ND
2019-08-29LLI61784ND
2019-08-29LLI61783ND
2019-08-30LLI61792ND
2019-09-02LLI61789ND
2019-09-02LLI61790ND
2019-09-03LLI61797ND
2019-09-03LLI61798ND
2019-09-04LLI62372ND
2019-09-04LLI62373ND
2019-10-02LLI68977ND
2019-10-02LLI68978ND
2019-10-17LLI71405ND
2019-10-31LLI74189ND
2019-10-31LLI74188ND
2019-11-15LLI77658ND
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Read more about lead here.