FLAT ROCK
PWSID: MI0002300 · Flat Rock, MI · Serves 10,541 people
According to EPA Safe Drinking Water Information System (SDWIS), FLAT ROCK (PWSID MI0002300) in Flat Rock, MI is listed as a CWS water system covering about 10,541 people. The same extract lists 5 health-based violation records spanning 2022-2025. Those 5 health-based rows for FLAT ROCK cover contaminants such as Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
FLAT ROCK has 5 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including Surface Water Treatment Rule. Recorded violations span 2022–2025. Day-to-day primacy enforcement for this system runs through the Michigan drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Michigan state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MI0002300
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Flat Rock, MI
- Population Served
- 10,541
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Surface Water Treatment Rule | 5 | 5 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| Surface Water Treatment Rule | Yes | Aug 1, 2025 |
| Surface Water Treatment Rule | Yes | Aug 1, 2025 |
| Surface Water Treatment Rule | Yes | Aug 1, 2022 |
| Surface Water Treatment Rule | Yes | Aug 1, 2022 |
| Surface Water Treatment Rule | Yes | Aug 1, 2022 |
Frequently Asked Questions
What does EPA SDWIS list for FLAT ROCK?
How many people does FLAT ROCK serve?
What violations does FLAT ROCK have?
What contaminants have been found in FLAT ROCK water?
Compare beyond Michigan
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest FLAT ROCK on cumulative violation count (5) and EPA-reported population served (10,541). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include NORTH LAUDERDALE W/A, INC, CITY OF LEESVILLE WATER SYSTEM, Victoria.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
FLAT ROCK (MI0002300) is drawn from EPA SDWIS. Nearby county systems in this extract include DETROIT CITY OF; DEARBORN; CANTON TOWNSHIP; LIVONIA. Health-based rows (5 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.