Lead in Carol Stream, IL Drinking Water
Lead data for Carol Stream, Illinois · 42,087 residents · 8 ZIP codes
ZipCheckup's reading of Lead in Carol Stream, Illinois: the highest detected level is 926 ppb; the EPA limit is 15 ppb (action level). Lead carries a high health-risk designation.
People in Carol Stream, Illinois who get water from the public supply are among residents whose systems have returned Lead detections in EPA compliance testing.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-07-13
Lead in Carol Stream Tap Water
Lead has been detected in Carol Stream, Illinois drinking water at a maximum level of 926 ppb — 61.73x the EPA action level.
This analysis covers 42,087 residents across 8 ZIP codes in Carol Stream.
Carol Stream's overall water quality grade is B (76/100).
Is Lead in Carol Stream Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis or nsf 53 carbon block filter certified under NSF 53 / NSF 58 and testing your water independently.
Lead Levels by ZIP Code
| ZIP Code | Lead Level | EPA Limit | Status |
|---|---|---|---|
| 60116 | 926 ppb | 15 ppb (action level) | Exceeds limit |
| 60122 | 926 ppb | 15 ppb (action level) | Exceeds limit |
| 60125 | 926 ppb | 15 ppb (action level) | Exceeds limit |
| 60128 | 926 ppb | 15 ppb (action level) | Exceeds limit |
| 60132 | 926 ppb | 15 ppb (action level) | Exceeds limit |
| 60188 | 926 ppb | 15 ppb (action level) | Exceeds limit |
| 60197 | 926 ppb | 15 ppb (action level) | Exceeds limit |
| 60199 | 926 ppb | 15 ppb (action level) | Exceeds limit |
Average lead level across Carol Stream: 926 ppb
Health Effects of Lead
- Brain development delays and reduced IQ in children
- Behavioral problems and learning disabilities
- High blood pressure and kidney damage in adults
- Increased risk of premature birth in pregnant women
Health risk severity: High. Governed by the Lead and Copper Rule Revisions (LCRR/LCRI).
How Lead Gets Into Drinking Water
- Corrosion of lead service lines (pipes connecting water main to home)
- Lead solder in copper plumbing joints (pre-1986 homes)
- Brass fixtures and faucets manufactured before 2014
- Stagnant water that sits in lead-containing pipes overnight
What to Do About Lead in Carol Stream Water
- Install an NSF 53 or NSF 58 certified filter at kitchen sink
- Run cold water for 30 seconds before using for drinking or cooking
- Use cold water only for cooking and preparing formula
- Consider whole-home reverse osmosis if lead service line is present
Look for filters certified under NSF 53 / NSF 58 for lead removal.