Is Lansing, IL tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for Lansing Water System.
Lansing Water System supplies Lansing (29,076 people).
Water system
Lansing Water System
29,076 people · Purchased surface water · EPA ID IL0311590
Buys treated water from Hammond Water Works Department.
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Not detected | – | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 5.5 ppb at the 90th percentile (Jun 2026, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0
Across Illinois, 13 of 479 water systems EPA tested had PFAS above a 2024 federal limit, and 18 systems were above the lead action level in results from the last five years. Illinois results.
Lansing homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Lansing village (tables B25034, B25003). Estimates for small places have a margin of error.
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Calumet City 2 mi Calumet City Water System | None above limits | 11 ppb |
| Chicago Heights 6 mi Chicago Heights Water System | None above limits | 5.86 ppb |
| Oak Forest 11 mi Oak Forest Water System | None above limits | 0 ppb |
| Tinley Park 13 mi Tinley Park Water System | None above limits | 0 ppb |
| Oak Lawn 15 mi Oak Lawn Water System | None above limits | 9.3 ppb |
| Orland Park 16 mi Orland Park Water System | None above limits | 0 ppb |
Lansing ZIP codes (1)
- 60438
Questions
Is Lansing tap water safe to drink?
Lansing Water System has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in Lansing, IL?
Lansing Water System, which serves 29,076 people.
Does Lansing tap water have PFAS?
None detected above EPA's reporting limits. Lansing Water System had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.
Do Lansing homes have lead pipes?
Census estimates put 85% of Lansing homes as built before 1980 (Illinois: 64%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Lansing Water System's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.