Public water system record
Regency at Whitmore Lake
Serves Whitmore Lake, Washtenaw County, MI · 190 people served
Federal records show 1 health-based violation and 10 monitoring/reporting issues for Regency at Whitmore Lake in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 10
Key facts
- Regency at Whitmore Lake draws water from 2 wells.
- Most recent formal enforcement: administrative penalty by Michigan, October 2025.
- Record on file since 1993, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 125 service lines.
Check whether Regency at Whitmore Lake 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2025 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Jan 9, 2025 | Active |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Dec 2, 2024 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 11, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 11, 2018 | Resolved |
Full record since 1993
EPA's records for Regency at Whitmore Lake go back to 1993. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 8 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 5 |
| 2000s | 2 | 3 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 9 |
Most recent health-based violation before October 19, 2016: Arsenic, began January 2008, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
Jan 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.02 mg/L, federal limit 0.01 mg/L (2 times the limit)
|
Jan 23, 2006 | Resolved |
Enforcement actions
Michigan regulators took 3 formal enforcement actions against Regency at Whitmore Lake between 2005 and 2025. The most recent was an administrative penalty in October 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 14, 2025 | Michigan | Administrative penalty | 1 violation: Public Notice |
| Jun 24, 2025 | Michigan | Administrative penalty | 1 violation: Public Notice |
| Dec 5, 2005 | Michigan | Compliance order (no penalty) | 1 violation (1 health-based): Arsenic |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Regency at Whitmore Lake draws water from 2 wells.
Annual water quality report
Regency at Whitmore Lake 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Regency at Whitmore Lake for a copy.
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