Public water system record
Pontiac
Serves Pontiac, Oakland County, MI · 63,776 people served
Federal records show no health-based violations and no monitoring or reporting issues for Pontiac 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
- Pontiac buys its water from Great Lakes Water Authority.
- Most recent formal enforcement: compliance order (no penalty) by EPA, December 2008.
- Record on file since 1993, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 101 lead and 9,609 unknown out of 19,505 service lines.
Check whether Pontiac 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 1993
EPA's records for Pontiac go back to 1993. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 2 | 6 |
Most recent health-based violation before October 19, 2016: Total Coliform, began January 2008, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2003 | Resolved |
Enforcement actions
EPA took 1 formal enforcement action against Pontiac in 2008. The most recent was a compliance order (no penalty) in December 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 3, 2008 | EPA | Compliance order (no penalty) | 3 violations: Stage 2 Disinfection Byproducts Rule, Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
Where the water comes from
Pontiac 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
Pontiac 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