Iowa · 14 community water systems
Lead pipes in Johnson County, IA
14 community water systems serving Johnson County reported 2,774 lead and 71 galvanized-requiring-replacement service lines, plus 446 of unknown material. The most are in Iowa City Water Department.
5.7% of these systems' lines are lead or galvanized requiring replacement, about the same as the Iowa average (5.6%) and higher than the national average (3.1%).
- Lead 5.5%
- Galvanized (replace) 0.1%
- Unknown 0.9%
- Non-lead 93%
Water systems serving Johnson County
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Iowa City Water DepartmentIowa City | 2,758 | 29 | 5 | 10.0% |
| Lone Tree Muni Water SystemLone Tree | 10 | 35 | 18 | 8.3% |
| Oxford Water SupplyOxford | 6 | 3 | 199 | 2.4% |
| Solon Water DeptSolon | 0 | 4 | 160 | 0.3% |
| Far Horizons SubdivisionIowa City | 0 | 0 | 25 | 0% |
| Turkey Creek DevelopmentIowa City | 0 | 0 | 23 | 0% |
| Spring Valley Homeowners Assn.Iowa City | 0 | 0 | 9 | 0% |
| Lakeview Knolls Homeowners Assn.Iowa City | 0 | 0 | 4 | 0% |
| Iowa City MHP LLCIowa City | 0 | 0 | 3 | 0% |
| University Water SystemIowa City | 0 | 0 | 0 | 0% |
| North Liberty Water SupplyNorth Liberty | 0 | 0 | 0 | 0% |
| Coralville Muni Water SystemCoralville | 0 | 0 | 0 | 0% |
| Tiffin Water SupplyTiffin | 0 | 0 | 0 | 0% |
| Lake Ridge, IncorporatedIowa City | 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 Johnson County have lead pipes?
Yes. Water systems serving Johnson County reported 2,774 lead and 71 galvanized-requiring-replacement service lines, plus 446 of unknown material.
Which Johnson County water systems have the most lead lines?
Iowa City Water Department (2,787), Lone Tree Muni Water System (45), Oxford Water Supply (9).
How do I check my home in Johnson 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.