Lead in Illinois drinking water
1,718 community water systems tested
6.3%
of tested systems exceeded the lead action level
(109/1,718)
(109/1,718)
Water systems
Lead value per system, LCR compliance samples. EPA action level — 0.015 mg/L at the 90th percentile. Systems that exceeded the lead action level
are highlighted and listed first. “Not detected” means the contaminant was measured but
not found.
| System | City | Population | Lead (mg/L) |
|---|---|---|---|
| MANLIUS | MANLIUS | 298 | 0.1050 mg/L |
| AQUA ILLINOIS-UNIVERSITY PARK | PK FOREST SOUTH | 7,002 | 0.0911 mg/L |
| MENARD CORRECTIONAL CENTER | 2,950 | 0.0788 mg/L | |
| SHERWOOD SHORES CONDOMINIUMS | 90 | 0.0745 mg/L | |
| MOUND PWD | 1,500 | 0.0658 mg/L | |
| DOVER | DOVER | 200 | 0.0587 mg/L |
| VOLO | VOLO | 6,629 | 0.0570 mg/L |
| BARRINGTON | BARRINGTON | 10,327 | 0.0516 mg/L |
| IL AMERICAN-MIDWEST PALOS | 126 | 0.0500 mg/L | |
| SUBURBAN APARTMENTS (DE KALB UNIV DVL) | 1,050 | 0.0462 mg/L | |
| MAPLE KNOLL | 90 | 0.0440 mg/L | |
| UNITY WATER CORPORATION | 93 | 0.0406 mg/L | |
| DIXON CORRECTIONAL CENTER | 1,038 | 0.0404 mg/L | |
| CHENOA | CHENOA | 1,785 | 0.0400 mg/L |
| WYANET | WYANET | 886 | 0.0373 mg/L |
| LE ROY | LE ROY | 3,498 | 0.0364 mg/L |
| KIRKWOOD | KIRKWOOD | 714 | 0.0348 mg/L |
| KNOXVILLE | KNOXVILLE | 3,120 | 0.0330 mg/L |
| GALESBURG | GALESBURG | 31,620 | 0.0290 mg/L |
| BLACKHAWK COLLEGE EAST CAMPUS | 80 | 0.0280 mg/L | |
| PRINCETON | PRINCETON | 7,832 | 0.0270 mg/L |
| GRAND ISLAND RESORT MHP (2 WPS) | GRAND ISLAND | 480 | 0.0260 mg/L |
| DELAVAN | DELAVAN | 1,743 | 0.0257 mg/L |
| VERMONT | VERMONT | 738 | 0.0254 mg/L |
| LA SALLE COUNTY NURSING HOME | 100 | 0.0251 mg/L | |
| ATLANTA | ATLANTA | 1,692 | 0.0250 mg/L |
| LAMOILLE | LA MOILLE | 660 | 0.0250 mg/L |
| NORTH UTICA | NORTH UTICA | 1,323 | 0.0248 mg/L |
| MILFORD | MILFORD | 1,306 | 0.0243 mg/L |
| GILMAN | GILMAN | 1,793 | 0.0240 mg/L |
| ONARGA | ONARGA | 1,409 | 0.0240 mg/L |
| LAKE FOREST | LAKE FOREST | 19,642 | 0.0235 mg/L |
| ANTIOCH | ANTIOCH | 14,175 | 0.0230 mg/L |
| LA SALLE | LA SALLE | 9,700 | 0.0230 mg/L |
| ELGIN | ELGIN | 114,797 | 0.0230 mg/L |
| EJ WATER-WATSON | WATSON | 754 | 0.0224 mg/L |
| EMBARRAS AREA WATER DISTRICT | 3,750 | 0.0218 mg/L | |
| WAUCONDA | WAUCONDA | 15,349 | 0.0212 mg/L |
| IL YOUTH CENTER ST CHARLES | 260 | 0.0212 mg/L | |
| OAK GROVE MHP - ROCK ISLAND COUNTY | 138 | 0.0209 mg/L | |
| ARCOLA | ARCOLA | 2,927 | 0.0207 mg/L |
| IL AMERICAN-TERRA COTTA | 681 | 0.0203 mg/L | |
| RIVERVIEW ESTATES | 375 | 0.0202 mg/L | |
| WENONA | WENONA | 974 | 0.0200 mg/L |
| MA CENTER CHICAGO | 75 | 0.0200 mg/L | |
| NEW SALEM PWD | PETERSBURG | 451 | 0.0196 mg/L |
| SIBLEY | SIBLEY | 245 | 0.0194 mg/L |
| STEWARD | STEWARD | 238 | 0.0194 mg/L |
| HEBRON | HEBRON | 1,368 | 0.0193 mg/L |
| MALDEN | MALDEN | 318 | 0.0192 mg/L |
| HAZELWOOD HEIGHTS SUBDIVISION | 235 | 0.0191 mg/L | |
| BELLWOOD | BELLWOOD | 19,156 | 0.0190 mg/L |
| ALGONQUIN | ALGONQUIN | 30,700 | 0.0190 mg/L |
| WESTCHESTER | WESTCHESTER | 16,241 | 0.0190 mg/L |
| PRAIRIE PATH WATER COMPANY-FERSON CREEK | 1,134 | 0.0190 mg/L | |
| OTTAWA ESTATES MHP (FORMERLY DATTIS MHP) | 125 | 0.0189 mg/L | |
| BERWYN | BERWYN | 57,250 | 0.0188 mg/L |
| JOHNSBURG NO.2 | 1,124 | 0.0187 mg/L | |
| STRAWN | STRAWN | 133 | 0.0186 mg/L |
| ST ANNE | SAINT ANNE | 1,200 | 0.0185 mg/L |
| AURORA | AURORA | 183,000 | 0.0184 mg/L |
| NORTHFIELD | NORTHFIELD | 5,470 | 0.0182 mg/L |
| YORK TOWNSHIP WATER SYSTEM | OAK BROOK TERR | 1,423 | 0.0182 mg/L |
| PERU | PERU | 10,300 | 0.0181 mg/L |
| COLFAX | COLFAX | 989 | 0.0180 mg/L |
| MENDOTA | MENDOTA | 7,100 | 0.0180 mg/L |
| TRITOWNSHIP WATER DISTRICT | HIGHLAND | 3,470 | 0.0180 mg/L |
| PECATONICA | PECATONICA | 2,195 | 0.0180 mg/L |
| TOULON | TOULON | 1,193 | 0.0180 mg/L |
| MOUNTAIN VALE VILLAGE MHP | CONWAY | 388 | 0.0180 mg/L |
| BROADVIEW | BROADVIEW | 7,847 | 0.0178 mg/L |
| RIVERDALE | RIVERDALE | 10,266 | 0.0177 mg/L |
| GENESEO HILLS SUBDIVISION | 500 | 0.0176 mg/L | |
| EDGEWOOD | EDGEWOOD | 440 | 0.0176 mg/L |
| OAK PARK | OAK PARK | 54,583 | 0.0174 mg/L |
| SUMMIT | SUMMIT | 11,161 | 0.0171 mg/L |
| PHOENIX | PHOENIX | 1,994 | 0.0170 mg/L |
| OAKBROOK TERRACE | OAK BROOK TERR | 1,440 | 0.0170 mg/L |
| AQUA ILLINOIS-EASTWOOD MANOR | 728 | 0.0170 mg/L | |
| ALVIN | ALVAN | 270 | 0.0170 mg/L |
| HAVILAND M.H.P. #1 - ANDREA & DEBRA CT | HYDE PARK (T) | 78 | 0.0168 mg/L |
| BARTLETT | BARTLETT | 41,500 | 0.0168 mg/L |
| HIGHWOOD | HIGHWOOD | 5,335 | 0.0168 mg/L |
| ELMWOOD PARK | ELMWOOD PARK | 25,000 | 0.0166 mg/L |
| SOUTH RIDGE MHC | 96 | 0.0164 mg/L | |
| MORRIS | MORRIS | 14,775 | 0.0162 mg/L |
| PALATINE | PALATINE | 70,875 | 0.0162 mg/L |
| ARLINGTON | ARLINGTON | 250 | 0.0161 mg/L |
| LEYDEN TWSP WATER DISTRICT | 10,000 | 0.0161 mg/L | |
| SILVIS HEIGHTS WATER CORP | 1,450 | 0.0161 mg/L | |
| EHLERS MHP | 112 | 0.0161 mg/L | |
| GENEVA | GENEVA | 21,247 | 0.0160 mg/L |
| LINCOLNWOOD | LINCOLNWOOD | 13,463 | 0.0160 mg/L |
| EVANSVILLE | EVANSVILLE | 660 | 0.0160 mg/L |
| SKYVIEW ESTATES | 56 | 0.0160 mg/L | |
| ROYAL OAKS MHP | 170 | 0.0159 mg/L | |
| BROOKFIELD | BROOKFIELD | 18,776 | 0.0158 mg/L |
| NORTHBROOK | NORTHBROOK | 34,407 | 0.0158 mg/L |
| BRACEVILLE | BRACEVILLE | 800 | 0.0158 mg/L |
| FORRESTON | FORRESTON | 1,338 | 0.0156 mg/L |