COUNTY WATER-SYSTEM LEDGER
McHenry, Illinois
Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.
Systems13active CWS · pop. 2,500+
Population served232,488reported total; may overlap
Current violation flag15.4%2 systems
Serious-violator flag0.0%0 systems
01 / SYSTEMS
Water systems serving McHenry
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Crystal LakeIL1110150 | 40,661 | Ground water | No current violation flagged |
| AlgonquinIL1110050 | 30,700 | Ground water | No current violation flagged |
| Lake In The HillsIL1110400 | 28,661 | Ground water | No current violation flagged |
| HuntleyIL1110350 | 28,495 | Ground water | No current violation flagged |
| WoodstockIL1110950 | 25,630 | Ground water | No current violation flagged |
| MchenryIL1110600 | 22,335 | Ground water | No current violation flagged |
| CaryIL1110100 | 17,826 | Ground water | Other current violation flag |
| HarvardIL1110250 | 9,469 | Ground water | No current violation flagged |
| Prairie Path Water Co-Whispering HillsIL1115700 | 8,300 | Ground water | No current violation flagged |
| MarengoIL1110650 | 7,572 | Ground water | No current violation flagged |
| Fox River GroveIL1110200 | 4,702 | Ground water | No current violation flagged |
| LakewoodIL1115760 | 4,267 | Ground water | Other current violation flag |
| Wonder LakeIL1115750 | 3,870 | Ground water | No current violation flagged |
02 / SOURCE MIX
How to read the population total
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.