What is Lead?
Water suppliers
Lead value per supplier, LCR compliance samples. EPA action level — 0.015 mg/L at the 90th percentile. Suppliers that exceeded the lead action level
are highlighted and listed first. “Not detected” means the contaminant was measured but
not found.
| Supplier | City | Population | Lead (mg/L) |
|---|---|---|---|
| Highwood | Highwood | 5,335 | 0.0760 mg/L |
| Lamoille | La Moille | 660 | 0.0548 mg/L |
| Elgin | Elgin | 114,797 | 0.0530 mg/L |
| Le Roy | Le Roy | 3,498 | 0.0490 mg/L |
| Wm W Fox Development Center | Dwight | 174 | 0.0440 mg/L |
| Maple Knoll | — | 90 | 0.0440 mg/L |
| Lockport | Lockport | 23,100 | 0.0300 mg/L |
| Lake Forest | Lake Forest | 19,642 | 0.0280 mg/L |
| Princeton | Princeton | 7,832 | 0.0270 mg/L |
| Riverview Estates | — | 375 | 0.0250 mg/L |
| Lynn Water Association, Inc | Lynn Center | 100 | 0.0250 mg/L |
| Aurora | Aurora | 183,000 | 0.0240 mg/L |
| Bartlett | Bartlett | 41,500 | 0.0226 mg/L |
| Lemont | Lemont | 17,500 | 0.0200 mg/L |
| Blackhawk College East Campus | Galva | 80 | 0.0190 mg/L |
| Country Manor | — | 190 | 0.0186 mg/L |
| Mountain Vale Village Mhp | Conway | 388 | 0.0180 mg/L |
| Morton Grove | Morton Grove | 25,297 | 0.0176 mg/L |
| Northfield | Northfield | 5,470 | 0.0170 mg/L |
| Meredosia | Meredosia | 1,075 | 0.0150 mg/L |
| Vandalia Correctional Center | Vandalia | 700 | 0.0150 mg/L |
| Lake Barrington | Lake Barrington | 500 | 0.0150 mg/L |
| Maple Hill Estates | — | 490 | 0.0150 mg/L |
| Valley View Manor | Rantoul | 120 | 0.0150 mg/L |
| Loraine | Loraine | 300 | 0.0147 mg/L |
| Burnham | Burnham | 3,989 | 0.0142 mg/L |
| Homewood | Homewood | 19,463 | 0.0140 mg/L |
| Greenville | Greenville | 8,310 | 0.0140 mg/L |
| Dwight | Dwight | 4,400 | 0.0140 mg/L |
| Washburn | Washburn | 1,032 | 0.0139 mg/L |
| Alexis | Alexis | 836 | 0.0139 mg/L |
| Cherry | Cherry | 490 | 0.0138 mg/L |
| Greenup | Greenup | 1,513 | 0.0135 mg/L |
| Anchor | Anchor | 160 | 0.0135 mg/L |
| Dekalb | De Kalb | 40,290 | 0.0130 mg/L |
| U of I-Champaign | Urbana | 13,000 | 0.0130 mg/L |
| Crete | Crete | 8,275 | 0.0130 mg/L |
| Caterpillar Trail Pwd | Eureka | 5,125 | 0.0130 mg/L |
| Il American-River Grange | — | 62 | 0.0130 mg/L |
| New Baden | New Baden | 4,178 | 0.0126 mg/L |
| Calumet City | Calumet City | 37,000 | 0.0124 mg/L |
| Ullin | Ullin | 496 | 0.0124 mg/L |
| Lebanon | Lebanon | 4,714 | 0.0122 mg/L |
| Lanark | Lanark | 1,504 | 0.0122 mg/L |
| Bone Gap | Bone Gap | 207 | 0.0122 mg/L |
| Towners Subdivision | Mundelein | 206 | 0.0121 mg/L |
| Freeport | Freeport | 23,930 | 0.0120 mg/L |
| Grayslake | Grays Lake | 21,248 | 0.0120 mg/L |
| Plano | Plano | 12,600 | 0.0120 mg/L |
| La Grange Highlands Sanitary District | Lagrange | 6,600 | 0.0120 mg/L |
| Farmer City | Farmer City | 1,811 | 0.0120 mg/L |
| Oak Grove Mhp - Rock Island County | West Milan | 138 | 0.0120 mg/L |
| Mount Erie | Mount Erie | 128 | 0.0120 mg/L |
| Bradley Heights Subdivision | Rockford | 82 | 0.0118 mg/L |
| Matherville | Mathersville | 651 | 0.0116 mg/L |
| Martinsville | Martinsville | 1,200 | 0.0114 mg/L |
| West Frankfort | West Frankfort | 8,650 | 0.0113 mg/L |
| Lombard | Lombard | 44,476 | 0.0112 mg/L |
| Des Plaines | Des Plaines | 60,675 | 0.0111 mg/L |
| Northbrook | Northbrook | 34,407 | 0.0110 mg/L |
| Highland Park | Highland Park | 30,176 | 0.0110 mg/L |
| Carlyle | Carlyle | 3,373 | 0.0110 mg/L |
| Casey | Casey | 3,274 | 0.0110 mg/L |
| Prairie Path Water Company-Galena | Galena | 2,294 | 0.0110 mg/L |
| Okawville | Okawville | 1,457 | 0.0110 mg/L |
| Ipava | Ipava | 447 | 0.0110 mg/L |
| Harvel | Harvel | 191 | 0.0110 mg/L |
| Timber Ridge Sbdv | — | 90 | 0.0110 mg/L |
| Leyden Twsp Water District | Franklin Park | 10,000 | 0.0107 mg/L |
| Colfax | Colfax | 989 | 0.0107 mg/L |
| Wenona | Wenona | 974 | 0.0107 mg/L |
| Ports Sullivan Lake Owners Association | Lakemoor | 293 | 0.0107 mg/L |
| Herscher | Herscher | 1,600 | 0.0106 mg/L |
| Peru | Peru | 10,300 | 0.0105 mg/L |
| Teutopolis | Teutopolis | 2,018 | 0.0104 mg/L |
| East Moline | East Moline | 21,374 | 0.0100 mg/L |
| Herrin | Herrin | 12,747 | 0.0100 mg/L |
| Westville | Westville | 3,917 | 0.0100 mg/L |
| Menard Correctional Center | Menard | 2,950 | 0.0100 mg/L |
| Pecatonica | Pecatonica | 2,195 | 0.0100 mg/L |
| Sandoval | Sandoval | 1,422 | 0.0100 mg/L |
| Steward | Steward | 238 | 0.0100 mg/L |
| St Augustine | St Augustine | 119 | 0.0100 mg/L |
| Polo Dr and Saddle Rd Subdivision | Wheaton | 93 | 0.0100 mg/L |
| Blue Island | Blue Island | 21,494 | 0.010 mg/L |
| Niles | Niles | 29,350 | 0.0099 mg/L |
| Wilmette | Wilmette | 27,087 | 0.0099 mg/L |
| Glenview | Glenview | 47,856 | 0.0098 mg/L |
| Wauconda | Wauconda | 15,349 | 0.0096 mg/L |
| Ilcv Candle Mhp, Llc | Coal Valley | 148 | 0.0096 mg/L |
| Carbondale | Carbondale | 22,107 | 0.0095 mg/L |
| Amboy | Amboy | 2,500 | 0.0093 mg/L |
| Golf | Golf | 497 | 0.0093 mg/L |
| Central Stickney Sd | Burbank | 2,400 | 0.0092 mg/L |
| Barrington | Barrington | 10,327 | 0.0092 mg/L |
| Zion | Zion | 24,442 | 0.0091 mg/L |
| Mount Carmel | Mount Carmel | 7,015 | 0.0091 mg/L |
| Litchfield | Litchfield | 6,648 | 0.0091 mg/L |
| Fountain Water District | Valmeyer | 3,650 | 0.0091 mg/L |
| Bellwood | Bellwood | 19,156 | 0.0091 mg/L |