Illinois · 26 community water systems
Lead pipes in McHenry County, IL
26 community water systems serving McHenry County reported 2,592 lead and 877 galvanized-requiring-replacement service lines, plus 5,988 of unknown material. The most are in Harvard.
4.6% of these systems' lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and higher than the national average (3.1%).
- Lead 3.4%
- Galvanized (replace) 1.2%
- Unknown 8.0%
- Non-lead 87%
Water systems serving McHenry County
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| HarvardHarvard | 1,304 | 1 | 718 | 46% |
| WoodstockWoodstock | 201 | 822 | 565 | 11% |
| Fox River GroveFox River Grove | 528 | 35 | 0 | 35% |
| McHenryMcHenry | 304 | 0 | 0 | 3.8% |
| UnionUnion | 97 | 0 | 0 | 36% |
| RichmondRichmond | 93 | 0 | 1 | 14% |
| MarengoMarengo | 37 | 0 | 914 | 1.4% |
| HebronHebron | 20 | 0 | 0 | 3.3% |
| HuntleyHuntley | 8 | 6 | 1 | 0.1% |
| Aqua Illinois-Crystal Clear Water Co.McHenry County | 0 | 7 | 203 | 2.4% |
| IL American-Holiday HillsHoliday Hills | 0 | 3 | 86 | 1.2% |
| CaryCary | 0 | 2 | 0 | <0.1% |
| Aqua Illinois-McHenry ShoresMcHenry County | 0 | 1 | 221 | 0.2% |
| Crystal LakeCrystal Lake | 0 | 0 | 1,422 | 0% |
| IL American-Whispering HillsMcHenry County | 0 | 0 | 1,392 | 0% |
| Aqua Illinois-Eastwood ManorMcHenry County | 0 | 0 | 233 | 0% |
| Aqua Illinois-NundaMcHenry County | 0 | 0 | 115 | 0% |
| IL American-KillarneyMcHenry County | 0 | 0 | 78 | 0% |
| IL American-Walk Up WoodsMcHenry County | 0 | 0 | 39 | 0% |
| AlgonquinAlgonquin | 0 | 0 | 0 | 0% |
| Lake in the HillsLake In The Hills | 0 | 0 | 0 | 0% |
| LakewoodLakewood | 0 | 0 | 0 | 0% |
| Wonder LakeMcHenry County | 0 | 0 | 0 | 0% |
| Wonder Lake (Niu)McHenry County | 0 | 0 | 0 | 0% |
| Johnsburg No.2McHenry County | 0 | 0 | 0 | 0% |
| Oakbrook Estates MHPMcHenry County | 0 | 0 | 0 | 0% |
Systems that also serve other counties are counted in full. Your water bill names your utility.
What to do if your line is lead or unknown
- Check the pipe where water enters your home.
- Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking.
- Test your water, often free through the utility.
- Ask your utility about free or discounted replacement; most lines must be replaced by December 31, 2037.
Check another water system
Questions
Does McHenry County have lead pipes?
Yes. Water systems serving McHenry County reported 2,592 lead and 877 galvanized-requiring-replacement service lines, plus 5,988 of unknown material.
Which McHenry County water systems have the most lead lines?
Harvard (1,305), Woodstock (1,023), Fox River Grove (563).
How do I check my home in McHenry County?
Find the water system named on your water bill in the table above, open its page and use its address-level inventory. You can also scratch-test the pipe where it enters your home.