Public water system · MI0001630
ActiveGrant Township - Copper Harbor
Community water system in Keweenaw County, Michigan, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
192
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-01-01 | Required treatment not metWQP Entry Point/Tap Treatment Technique Non-Compliance · code 59 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2020-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2015-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 1995-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1992-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 11 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Grant Township - Copper Harbor: frequently asked questions
Is Grant Township - Copper Harbor's water safe to drink?
Grant Township - Copper Harbor is an active community water system regulated under the Safe Drinking Water Act, overseen by the MI state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Grant Township - Copper Harbor?
Grant Township - Copper Harbor (PWSID MI0001630) is a local government-owned community water system, regulated by the MI state drinking water program.
How many people does Grant Township - Copper Harbor serve?
Grant Township - Copper Harbor reports serving 200 people through 192 service connections in Keweenaw County, Michigan.
Where does Grant Township - Copper Harbor get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Keweenaw County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Keweenaw Mountain Lodge | Keweenaw | 485 | Transient non-community | Groundwater under influence of surface water |
| Isle Royale-Rock Harbor | Keweenaw | 335 | Transient non-community | Surface water |
| Eagle Harbor Township | Keweenaw | 300 | Community | Groundwater |
| Dnr - Fort Wilkins State Park | Keweenaw | 225 | Transient non-community | Groundwater |
| Mount Bohemia Ski Resort | Keweenaw | 200 | Transient non-community | Groundwater |
| Ahmeek | Keweenaw | 148 | Community | Purchased groundwater |
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