GRAYLING HIGH SCHOOL
Michigan — Non-Transient Non-Community — PWSID: MI2006420
System Information
| PWSID | MI2006420 |
| System Name | GRAYLING HIGH SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jan 18, 1984 |
| Last Reported | Jun 5, 2025 |
Location & Contact
| State | Michigan |
| City | GRAYLING |
| ZIP Code | 49738 |
| Address | 1135 N OLD 27 |
| Organization | CALKIN, BRENT |
| Phone | 989-344-3757 |
Population & Service
| Population Served | 530 |
| Service Connections | 1 |
Drinking Water Violations (127)
This water system has 127 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Mar 31, 2025 | MON | No | Yes | — | — | — | Archived | Mar 31, 2025 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2020 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2019 | — | |
| Jan 1, 2018 | — | MR | No | No | — | TT | — | Resolved | May 30, 2019 | — | |
| Jan 1, 2010 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Jan 1, 2010 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Jan 1, 2010 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2006 | — | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2006 | — | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2006 | — | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2006 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 1999 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 1999 | Dec 31, 2004 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 1999 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 1999 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 1999 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 1999 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 1999 | Dec 31, 2004 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 1999 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 1999 | Dec 31, 2004 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Dec 31, 2004 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.