Public water system record
Grant Township - Copper Harbor
Serves Copper Harbor, Keweenaw County, MI · 200 people served
Federal records show 1 health-based violation and 7 monitoring/reporting issues for Grant Township - Copper Harbor in the last ten years. The most serious issue in this window was a resolved Lead and Copper Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 7
Key facts
- Grant Township - Copper Harbor draws water from 6 wells.
- Record on file since 1992, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 114 service lines.
Check whether Grant Township - Copper Harbor 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
Treatment technique failure
|
350 | Jan 1, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2015 | Resolved |
Full record since 1992
EPA's records for Grant Township - Copper Harbor go back to 1992. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 1 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 4 |
Most recent health-based violation before October 19, 2016: Total Coliform, began November 1995, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1995 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1994 | Resolved |
What the violations mean
Lead and Copper Rule
1 incidentThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Grant Township - Copper Harbor draws water from 6 wells.
Annual water quality report
Grant Township - Copper Harbor 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 Grant Township - Copper Harbor 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