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Clean Water Act discharge permit · NPDES MIG760056

GRAND HOTEL, Mackinac Island, MI: NPDES MIG760056 discharge permit, effluent exceedances, inspections, penalties

GRAND HOTEL, held by Grand Hotel, holds NPDES permit MIG760056, which discharges to Lake Huron. EPA’s file records it issued June 30, 2021 and expiring April 1, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedGRAND HOTEL
Permittee as filedGrand Hotel
NPDES IDMIG760056
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 30, 2021
Expiration dateApril 1, 2025
Issuing agencyState
AddressMackinac Island, MI 49757
Receiving waterLake Huron

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Chlorine, total residual21050
pH21040
Flow, in conduit or thru treatment plant21040
Chlorination duration21040
Outfall observation,visual, y/n response1520
Bromine, reported as the element1510

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MIG760056.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
April 21, 2026Reporting Violations - Late Submittal of DMRsST6
March 21, 2026Reporting Violations - Late Submittal of DMRsST6
February 21, 2026Reporting Violations - Late Submittal of DMRsST6
January 21, 2026Reporting Violations - Late Submittal of DMRsST6
August 21, 2025Reporting Violations - Late Submittal of DMRsST6
July 21, 2025Reporting Violations - Late Submittal of DMRsST6
March 21, 2025Reporting Violations - Late Submittal of DMRsST6
January 21, 2025Reporting Violations - Late Submittal of DMRsST6
July 21, 2024Reporting Violations - Late Submittal of DMRsST6
May 21, 2024Reporting Violations - Late Submittal of DMRsST6
April 21, 2024Reporting Violations - Late Submittal of DMRsST6
June 21, 2023Reporting Violations - Late Submittal of DMRsST6
May 21, 2023Reporting Violations - Late Submittal of DMRsST6
April 21, 2023Reporting Violations - Late Submittal of DMRsST6
March 21, 2023Reporting Violations - Late Submittal of DMRsST6
February 21, 2023Reporting Violations - Late Submittal of DMRsST6
November 21, 2022Reporting Violations - Late Submittal of DMRsST6
October 21, 2022Reporting Violations - Late Submittal of DMRsST6
September 21, 2022Reporting Violations - Late Submittal of DMRsST6
August 21, 2022Reporting Violations - Late Submittal of DMRsST6
July 21, 2022Reporting Violations - Late Submittal of DMRsST6
June 21, 2022Reporting Violations - Late Submittal of DMRsST6
May 21, 2022Reporting Violations - Late Submittal of DMRsST6
April 21, 2022Reporting Violations - Late Submittal of DMRsST6
March 21, 2022Reporting Violations - Late Submittal of DMRsST6
February 21, 2022Reporting Violations - Late Submittal of DMRsST6
December 21, 2021Reporting Violations - Late Submittal of DMRsST6
September 21, 2021Reporting Violations - Late Submittal of DMRsST6
August 21, 2021Reporting Violations - Late Submittal of DMRsST6
August 19, 2021Reporting Violations - Late Submittal of DMRsST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MIG760056 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers Clean Water Act NPDES permit MIG760056, held by GRAND HOTEL at Mackinac Island, MI, which discharges to Lake Huron and is administratively continued as a minor discharger. The facts list 6 pollutants on file, all 6 under a numeric limit, 6 with a violation of any kind, and 0 with an effluent exceedance.