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Clean Water Act discharge permit · NPDES MIG580215

GREENLAND TWP WWSL, Mass City, MI: NPDES MIG580215 discharge permit, effluent exceedances, inspections, penalties

GREENLAND TWP WWSL, held by Greenland Township Sanitary Department, holds NPDES permit MIG580215, which discharges to Adventure Creek. EPA’s file records it issued September 27, 2021 and expiring April 1, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedGREENLAND TWP WWSL
Permittee as filedGreenland Township Sanitary Department
NPDES IDMIG580215
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedSeptember 27, 2021
Expiration dateApril 1, 2024
Issuing agencyState
AddressMass City, MI 49948
Receiving waterAdventure Creek
SubwatershedBond Creek-East Branch Ontonagon River (HUC 040201020308)
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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
Coliform, fecal general2702April 30, 2026505% over the limit
Solids, total suspended4682October 31, 201828% over the limit
Oxygen, dissolved [DO]1362April 30, 202628% over the limit
BOD, 5-day, 20 deg. C2960
pH2680
Flow, in conduit or thru treatment plant2680
Nitrogen, ammonia total [as N]2470
Phosphorus, total [as P]2470
Solids, total390
Arsenic, dry weight390
Selenium, dry weight390
Copper, dry weight390
Cadmium, dry weight390
Nitrogen, total Kjeldahl390
Molybdenum, sludge, total, dry weight [as Mo]390
Zinc, sludge, total, dry weight [as Zn]390
Lead, sludge, total, dry weight [as Pb]390
Nickel, sludge, total, dry weight [as Ni]390
Nitrogen, sludge, total, dry weight [as N]390
Mercury, sludge, total, dry weight [as Hg]390
Potassium, sludge, total, dry weight [as K]390
Phosphorus, sludge, total, dry weight [as P]390

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
October 31, 2025Reporting Violations - Late Submittal of DMRsST6
December 21, 2024Reporting Violations - Late Submittal of DMRsST6
June 21, 2024Reporting Violations - Late Submittal of DMRsST6
May 21, 2024Reporting Violations - Late Submittal of DMRsST6
December 21, 2023Reporting Violations - Late Submittal of DMRsST6
November 21, 2023Reporting Violations - Late Submittal of DMRsST6
August 29, 2023Management Practice Violations - No Licensed/Certified OperatorST6
July 21, 2023Reporting Violations - Late Submittal of DMRsST6
June 21, 2023Reporting Violations - Late Submittal of DMRsST6
April 21, 2023Reporting Violations - Late Submittal of DMRsST6
December 21, 2022Reporting Violations - Late Submittal of DMRsST6
November 21, 2022Reporting Violations - Late Submittal of DMRsST6
July 21, 2022Reporting Violations - Late Submittal of DMRsST6
June 21, 2022Reporting Violations - Late Submittal of DMRsST6
April 21, 2022Reporting Violations - Late Submittal of DMRsST6
December 21, 2021Reporting Violations - Late Submittal of DMRsST6
June 21, 2021Reporting Violations - Late Submittal of DMRsST6
May 21, 2021Reporting Violations - Late Submittal of DMRsST6
April 21, 2021Reporting Violations - Late Submittal of DMRsST6
January 21, 2021Reporting Violations - Late Submittal of DMRsST6
December 21, 2020Reporting Violations - Late Submittal of DMRsST6
June 21, 2020Reporting Violations - Late Submittal of DMRsST6
April 21, 2020Reporting Violations - Late Submittal of DMRsST6
December 21, 2019Reporting Violations - Late Submittal of DMRsST6
November 21, 2019Reporting Violations - Late Submittal of DMRsST6
May 21, 2019Reporting Violations - Late Submittal of DMRsST6
April 21, 2019Reporting Violations - Late Submittal of DMRsST6
October 31, 2018Reporting Violations - Late Submittal of DMRsST6
November 21, 2017Reporting Violations - Late Submittal of DMRsST6
January 21, 2017Reporting 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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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES MIG580215 for GREENLAND TWP WWSL in Mass City, MI, held by Greenland Township Sanitary Department and discharging to Adventure Creek in the Bond Creek-East Branch Ontonagon River (HUC 040201020308) subwatershed. The permit is administratively continued, with a discharger class of 22 and 3 pollutants under a numeric limit, 3 of which have an effluent exceedance.