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Clean Water Act discharge permit · NPDES MI0057676

GLADSTONE WWTP, Gladstone, MI: NPDES MI0057676 discharge permit, effluent exceedances, inspections, penalties

GLADSTONE WWTP, held by City of Gladstone, holds NPDES permit MI0057676, which discharges to Lake Michigan. EPA’s file records it issued October 23, 2018 and expiring October 1, 2023. 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 filedGLADSTONE WWTP
Permittee as filedCity of Gladstone
NPDES IDMI0057676
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedOctober 23, 2018
Expiration dateOctober 1, 2023
Issuing agencyState
AddressGladstone, MI 49837
Receiving waterLake Michigan
Receiving water impaired303(D) Listed
SubwatershedPortage Creek-Frontal Little Bay De Noc (HUC 040301110210)
Program components on fileBiosolids, POTW
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
pH26214October 31, 2023
BOD, carb-5 day, 20 deg C, percent removal23511April 30, 2026107% over the limit
Coliform, fecal general2579September 30, 202480% over the limit
BOD, carbonaceous [5 day, 20 C]43357April 30, 202016% over the limit
Solids, suspended percent removal2317April 30, 202680% over the limit
Chlorine, total residual1295June 30, 2024200% over the limit
Solids, total suspended43324March 31, 202017% over the limit
Mercury, total [as Hg]63683December 31, 201823% over the limit
Phosphorus, total [as P]42223October 31, 202324% over the limit
Nitrogen, ammonia total [as N]4740
Flow, in conduit or thru treatment plant2480
Oxygen, dissolved [DO]1240
Solids, total3120
Arsenic, dry weight3120
Selenium, dry weight3120
Copper, dry weight3120
Cadmium, dry weight3120
Nitrogen, total Kjeldahl3120
Molybdenum, sludge, total, dry weight [as Mo]3120
Zinc, sludge, total, dry weight [as Zn]3120
Lead, sludge, total, dry weight [as Pb]3120
Nickel, sludge, total, dry weight [as Ni]3120
Nitrogen, sludge, total, dry weight [as N]3120
Mercury, sludge, total, dry weight [as Hg]3120
Potassium, sludge, total, dry weight [as K]3120
Phosphorus, sludge, total, dry weight [as P]3120
Copper, total [as Cu]200

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
August 21, 2023Reporting Violations - Late Submittal of DMRsST6
April 18, 2019Permit Violations - Discharge Without a Valid PermitST6
April 15, 2019Permit Violations - Discharge Without a Valid PermitST6
April 9, 2019Permit Violations - Discharge Without a Valid PermitST6
March 15, 2019Permit Violations - Discharge Without a Valid PermitST6
July 10, 2017Monitoring Violations - Improper Analysis or Lab ErrorST6
June 15, 2017Monitoring Violations - Improper Analysis or Lab ErrorST6
May 28, 2017Monitoring Violations - Improper Analysis or Lab ErrorST6
May 4, 2017Monitoring Violations - Improper Analysis or Lab ErrorST6
May 3, 2017Monitoring Violations - Improper Analysis or Lab ErrorST6
May 2, 2017Monitoring Violations - Improper Analysis or Lab ErrorST6

Inspections

DateWhat EPA recordedAgency
March 9, 2026Reconnaissance without SamplingS
March 9, 2026AuditS
February 12, 2026Reconnaissance without SamplingS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MI0057676.

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 the Clean Water Act discharge permit NPDES MI0057676 for GLADSTONE WWTP in Gladstone, MI, held by City of Gladstone, with a status of administratively continued and a discharger class of Minor. The page lists 27 pollutants under a numeric limit, of which 9 show an effluent exceedance, and places the discharge in the Portage Creek-Frontal Little Bay De Noc subwatershed (HUC 040301110210).