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National Drinking Water Database


Lead (total) in Illinois


Lead is a metal that enters water by corrosion of household plumbing systems, discharge of industrial pollution and erosion of natural deposits. [read more]

The Most Polluted Communities in Illinois

1,196 water utilities reported detecting Lead (total) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Lead (total) level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Maquon
Maquon, IL
3281 of 415 ppb
(0 to 60 ppb)
2New Holland
New Holland, IL
3331 of 214.58 ppb
(0 to 29.15 ppb)
3Eaton Pwd
Annapolis, IL
1,1001 of 214 ppb
(0 to 28 ppb)
4Dallas City
Dallas City, IL
1,0551 of 112.03 ppb
(12.03 ppb)
5Grafton
Grafton, IL
8501 of 311 ppb
(0 to 33 ppb)
6Fountain Water District
Valmeyer, IL
2,3252 of 310.63 ppb
(0 to 31 ppb)
7Biggsville
Biggsville, IL
3501 of 19.6 ppb
(9.6 ppb)
8Volo
Volo, IL
253 of 79.43 ppb
(0 to 36.6 ppb)
9Galesburg
Galesburg, IL
33,706182 of 1919.32 ppb
(0 to 51 ppb)
10Apple River
Apple River, IL
3791 of 39 ppb
(0 to 27 ppb)

Health Based Limits for Lead (total)

StandardDescriptionLevel
Maximum Contaminant Limit Goal (MCLG)A non-enforceable health goal that is set at a level at which no known or anticipated adverse effect on the health of persons occurs and which allows an adequate margin of safety. Source: U.S. Environmental Protection Agency.0 ppb
California Public Health GoalsDefined by the State of California Office of Environmental Health Hazard Assessment (OEHHA) as the level of contaminant that is allowed in drinking water. For acutely toxic substances, levels are set at which scientific evidence indicates that no known or anticipated adverse effects on health will occur, plus an adequate margin-of safety. PHGs for carcinogens or other substances which can cause chronic disease shall be based solely on health effects without regard to cost impacts and shall be set at levels which OEHHA has determined do not pose any significant risk to health.0.2 ppb

Violation Summary for Lead (total) in Illinois

There are no violations reported for this contaminant in Illinois