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Clean Water Act discharge permit · NPDES MI0057737

CHARLEVOIX WWTP, Charlevoix, MI: NPDES MI0057737 discharge permit, effluent exceedances, inspections, penalties

CHARLEVOIX WWTP, held by City of Charlevoix, holds NPDES permit MI0057737, which discharges to Lake Michigan. EPA’s file records it issued July 30, 2020 and expiring October 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 filedCHARLEVOIX WWTP
Permittee as filedCity of Charlevoix
NPDES IDMI0057737
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
IssuedJuly 30, 2020
Expiration dateOctober 1, 2024
Issuing agencyState
AddressCharlevoix, MI 49720
Receiving waterLake Michigan
Receiving water impaired303(D) Listed
SubwatershedMcGeach Creek-Frontal Grand Traverse Bay (HUC 040601050701)
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
BOD, carbonaceous [5 day, 20 C]4902March 31, 200825% over the limit
Phosphorus, total [as P]4431March 31, 2011140% over the limit
Chlorine, total residual1221June 30, 20101,863% over the limit
Mercury, total [as Hg]61570
Solids, total suspended4840
pH2420
Flow, in conduit or thru treatment plant2420
Coliform, fecal general2420
BOD, carb-5 day, 20 deg C, percent removal2210
Solids, suspended percent removal2210
Oxygen, dissolved [DO]1210
Nitrogen, ammonia total [as N]1640
Solids, total330
Arsenic, dry weight330
Selenium, dry weight330
Copper, dry weight330
Cadmium, dry weight330
Nitrogen, total Kjeldahl330
Molybdenum, sludge, total, dry weight [as Mo]330
Zinc, sludge, total, dry weight [as Zn]330
Lead, sludge, total, dry weight [as Pb]330
Nickel, sludge, total, dry weight [as Ni]330
Nitrogen, sludge, total, dry weight [as N]330
Mercury, sludge, total, dry weight [as Hg]330
Potassium, sludge, total, dry weight [as K]330
Phosphorus, sludge, total, dry weight [as P]330
Benzidine120
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
March 21, 2024Monitoring Violations - Analysis not ConductedST6
June 8, 2022Monitoring Violations - Improper Analysis or Lab ErrorST6
July 15, 2021Monitoring Violations - Improper Analysis or Lab ErrorST6
July 8, 2019Management Practice Violations - Failure to Maintain RecordsST6

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 the Clean Water Act discharge permit NPDES MI0057737 held by City of Charlevoix for the CHARLEVOIX WWTP in Charlevoix, MI, which discharges to Lake Michigan and is administratively continued. The page lists a Minor Discharger class of 28 and shows 3 pollutants under a numeric limit, 3 of which have an effluent exceedance.