Know Your Environment. Protect Your Health.

What About Lead?

water fountain

Metropolitan District Commission - click here to return to the utility page.

According to EWG’s analysis of 2023 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. The EPA lowered the lead action level from 15 to 10 ppb, but it doesn't go into effect until 2027.

Number of lead samples taken in 2023: 69

Highest level detected in 2023: 42.5 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, 2023

Samples in red indicate that the sample is above the EPA action level.

DateLab IDResult
2023-07-1542.5 ppb
2023-07-1736.0 ppb
2023-08-0330.5 ppb
2023-07-1724.8 ppb
2023-08-147.63 ppb
2023-08-166.89 ppb
2023-08-146.78 ppb
2023-07-276.59 ppb
2023-07-284.75 ppb
2023-08-103.92 ppb
2023-07-153.80 ppb
2023-08-213.45 ppb
2023-08-113.44 ppb
2023-07-161.83 ppb
2023-08-081.31 ppb
2023-08-031.24 ppb
2023-07-161.17 ppb
2023-08-111.04 ppb
2023-08-100.900 ppb
2023-08-020.830 ppb
2023-07-180.820 ppb
2023-07-170.730 ppb
2023-07-170.700 ppb
2023-08-060.670 ppb
2023-08-110.650 ppb
2023-07-190.590 ppb
2023-08-030.500 ppb
2023-08-080.430 ppb
2023-07-270.370 ppb
2023-08-020.320 ppb
2023-08-080.300 ppb
2023-07-270.300 ppb
2023-08-110.270 ppb
2023-07-270.220 ppb
2023-08-140.190 ppb
2023-07-190.190 ppb
2023-07-190.180 ppb
2023-08-020.160 ppb
2023-08-020.160 ppb
2023-07-280.120 ppb
2023-08-160.110 ppb
2023-08-150.110 ppb
2023-08-070.1000 ppb
2023-08-020.0600 ppb
2023-08-110.0600 ppb
2023-12-06ND
2023-12-05ND
2023-08-11ND
2023-12-05ND
2023-08-16ND
2023-12-05ND
2023-08-01ND
2023-07-16ND
2023-07-26ND
2023-07-27ND
2023-07-27ND
2023-07-27ND
2023-07-28ND
2023-08-01ND
2023-08-01ND
2023-08-10ND
2023-08-02ND
2023-08-03ND
2023-08-03ND
2023-08-05ND
2023-08-06ND
2023-08-08ND
2023-08-09ND
2023-08-09ND
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Read more about lead here.