Is Brownstown charter, 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 Brownstown Township Water System.
Brownstown Township Water System supplies Brownstown charter (33,194 people).
Water system
Brownstown Township Water System
33,194 people · Purchased surface water · EPA ID MI0000940
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.
Brownstown charter 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 Brownstown charter township (tables B25034, B25003). Estimates for small places have a margin of error.
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Southgate 7 mi Southgate Water System | None above limits | 6 ppb |
| Taylor 8 mi Taylor Water System | None above limits | 10.7 ppb |
| Lincoln Park 10 mi Lincoln Park Water System | None above limits | 3.1 ppb |
| Allen Park 10 mi Allen Park Water System | None above limits | 8.7 ppb |
| Dearborn 14 mi Dearborn Water System | None above limits | 6 ppb |
| Van Buren charter 15 mi Huron Township Water System | None above limits | 0 ppb |
Brownstown charter ZIP codes (2)
- 48173
- 48193
Questions
Is Brownstown charter tap water safe to drink?
Brownstown 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 Brownstown charter, MI?
Brownstown Township Water System, which serves 33,194 people.
Does Brownstown charter tap water have PFAS?
None detected above EPA's reporting limits. Brownstown 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 Brownstown charter homes have lead pipes?
Census estimates put 36% of Brownstown charter 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. Brownstown 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.