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Clean Water Act discharge permit · NPDES MI0047201

MASON CONSOLIDATED SCHOOLS WWTP, Erie, MI: NPDES MI0047201 discharge permit, effluent exceedances, inspections, penalties

MASON CONSOLIDATED SCHOOLS WWTP, held by Mason Consolidated Schools, holds NPDES permit MI0047201, which discharges to S.S. Lapointe Drain. EPA’s file records it issued November 21, 2018 and expiring October 1, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMASON CONSOLIDATED SCHOOLS WWTP
Permittee as filedMason Consolidated Schools
NPDES IDMI0047201
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 21, 2018
Expiration dateOctober 1, 2023
Issuing agencyState
AddressErie, MI 48133
Receiving waterS.S. LaPointe Drain
SubwatershedLa Plaisance Creek-Frontal Lake Erie (HUC 041000010202)

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
Nitrogen, ammonia total [as N]48521October 31, 20252,765% over the limit
Phosphorus, total [as P]44210March 31, 200325% over the limit
Chlorine, total residual1315March 31, 201832,795% over the limit
BOD, carbonaceous [5 day, 20 C]4673March 31, 200339% over the limit
Oxygen, dissolved [DO]1293June 30, 201955% over the limit
pH2582November 30, 2024
Solids, total suspended4640
Flow, in conduit or thru treatment plant2520
Coliform, fecal general2520
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

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
November 21, 2025Reporting Violations - Late Submittal of DMRsST6
August 21, 2025Reporting Violations - Late Submittal of DMRsST6
June 21, 2025Reporting Violations - Late Submittal of DMRsST6
October 21, 2024Reporting Violations - Late Submittal of DMRsST6
June 21, 2024Reporting Violations - Late Submittal of DMRsST6
May 27, 2024Monitoring Violations - Invalid/Unrepresentative SampleST6
May 21, 2024Reporting Violations - Late Submittal of DMRsST6
May 7, 2024Monitoring Violations - Improper Analysis or Lab ErrorST6
May 7, 2024Permit Violations - Discharge Without a Valid PermitST6
April 21, 2024Reporting Violations - Late Submittal of DMRsST6
March 26, 2024Management Practice Violations - Failure to Maintain RecordsST6
March 21, 2024Reporting Violations - Late Submittal of DMRsST6
January 21, 2024Reporting Violations - Late Submittal of DMRsST6
January 9, 2024Management Practice Violations - Failure to Maintain RecordsST6
December 21, 2023Reporting Violations - Late Submittal of DMRsST6
October 21, 2023Reporting Violations - Late Submittal of DMRsST6
September 21, 2023Reporting Violations - Late Submittal of DMRsST6
August 21, 2023Reporting Violations - Late Submittal of DMRsST6
July 21, 2023Reporting Violations - Late Submittal of DMRsST6
July 6, 2023Management Practice Violations - Failure to Maintain RecordsST6
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
October 21, 2022Reporting Violations - Late Submittal of DMRsST6
October 21, 2022Management Practice Violations - Failure to Maintain RecordsST6
October 19, 2022Management Practice Violations - Failure to Maintain RecordsST6
June 21, 2022Reporting Violations - Late Submittal of DMRsST6
October 31, 2020Reporting Violations - Late Submittal of DMRsST6
August 21, 2020Reporting Violations - Late Submittal of DMRsST6
July 21, 2020Reporting 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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How we handle your data → Privacy

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 MI0047201 there.

Nearby on the register

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