Is Chesterfield, MI 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 Chesterfield Township Water System.
Chesterfield Township Water System supplies Chesterfield (41,650 people).
Water system
Chesterfield Township Water System
41,650 people · Purchased surface water · EPA ID MI0001390
Buys treated water from Great Lakes Water Authority.
| 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: 0 ppb at the 90th percentile (Dec 2025, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0
Across Michigan, 5 of 311 water systems EPA tested had PFAS above a 2024 federal limit, and 26 systems were above the lead action level in results from the last five years. Michigan results.
Chesterfield 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 Chesterfield township (tables B25034, B25003). Estimates for small places have a margin of error.
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Macomb 6 mi Macomb Township Water System | None above limits | 0 ppb |
| Sterling Heights 13 mi City of Sterling Heights | None above limits | 0 ppb |
| St. Clair Shores 14 mi City of St. Clair Shores | None above limits | 1.1 ppb |
| Roseville 14 mi City of Roseville | None above limits | 8.68 ppb |
| Eastpointe 16 mi City of Eastpointe | None above limits | 0 ppb |
| Warren 17 mi City of Warren | None above limits | 2.7 ppb |
Chesterfield ZIP codes (2)
- 48047
- 48051
Questions
Is Chesterfield tap water safe to drink?
Chesterfield Township 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 Chesterfield, MI?
Chesterfield Township Water System, which serves 41,650 people.
Does Chesterfield tap water have PFAS?
None detected above EPA's reporting limits. Chesterfield Township 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 Chesterfield homes have lead pipes?
Census estimates put 27% of Chesterfield homes as built before 1980 (Michigan: 62%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Chesterfield Township 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.