Table 2 Distribution of water lead levels (µg/L) for January 1, 2020–June 20, 2021 in data reported to state environmental agencies under the Lead and Copper Rule.

From: Repeated home drinking water sampling to improve detection of particulate lead spikes: a simulation study

WLL category

Pennsylvania N (%)

Illinois N (%)

Non-detect

1674 (50.4)

1188 (59.3)

Detectable, <15 µg/L

1427 (42.9)

743 (37.1)

≥15 µg/L

223 (6.7)

74 (3.7)

Total

3,324 (100)

2,005(100)

Back to article page