Illinois · population 20,223
Lead pipes in Crest Hill, IL
138 lead or galvanized lines to replace
Most of Crest Hill (population 20,223) gets its water from Crest Hill. That system reported 0 lead and 138 galvanized-requiring-replacement service lines out of 6,690, with 1,369 more of unknown material.
2.1% of Crest Hill's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 2.1%
- Unknown 20%
- Non-lead 77%
Latest lead test for Crest Hill (Jul 2025–Dec 2025): 1.2 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists 4 Lead and Copper Rule violations since 2015, 1 health-based for Crest Hill.
Water systems serving Crest Hill
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Crest HillMain system | 0 | 138 | 1,369 | 2.1% |
| JolietServes nearby areas | 299 | 8 | 6,188 | 0.6% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Crest Hill
The counts above cover the whole water system. To see whether your line is lead, look up your address on Crest Hill's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- Joliet307 lead + galv. lines
- Lockport44 lead + galv. lines
- Rockdale14 lead + galv. lines
- Shorewoodno lead reported
- Plainfield128 lead + galv. lines
- Bolingbrookno lead reported
- Homer Glenno lead reported
- New Lenoxno lead reported
Check another water system
Questions
Does Crest Hill, IL have lead pipes?
Yes. Crest Hill, which serves Crest Hill, reported 0 lead and 138 galvanized-requiring-replacement service lines, plus 1,369 of unknown material.
Who supplies water to Crest Hill?
EPA's service area maps place most of Crest Hill in Crest Hill's service area (PWSID IL1970250). Joliet also serves parts of the city or nearby areas.
How do I check whether my Crest Hill home has a lead service line?
Search your address on Crest Hill's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Crest Hill be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Crest Hill whether your street is scheduled and whether it covers the private side.