Public water system record
Rochester Hills
Serves Rochester Hills, Oakland County, MI · 74,000 people served
Federal records show no health-based violations and no monitoring or reporting issues for Rochester Hills in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Rochester Hills buys its water from Great Lakes Water Authority.
- Most recent formal enforcement: compliance order (no penalty) by EPA, August 2009.
- Record on file since 2007, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 23,882 service lines.
Check whether Rochester Hills serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Full record since 2007
EPA's records for Rochester Hills go back to 2007. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 3 |
Enforcement actions
EPA took 1 formal enforcement action against Rochester Hills in 2009. The most recent was a compliance order (no penalty) in August 2009.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 28, 2009 | EPA | Compliance order (no penalty) | 3 violations: Total Trihalomethanes (TTHMs), Stage 2 Disinfection Byproducts Rule, Haloacetic Acids (HAA5) |
Where the water comes from
Rochester Hills buys its water from Great Lakes Water Authority. It lists no wells or intakes of its own.
Buys water from
- Great Lakes Water Authority Detroit, MI
Annual water quality report
Rochester Hills must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Michigan.
Certified drinking water labs by state EPA guidance for private wells