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Clean Water Act discharge permit · NPDES MI0022861

EATON RAPIDS WWTP, Eaton Rapids, MI: NPDES MI0022861 discharge permit, effluent exceedances, inspections, penalties

EATON RAPIDS WWTP, held by City of Eaton Rapids, holds NPDES permit MI0022861, which discharges to Grand River. EPA’s file records it issued April 23, 2019 and expiring October 1, 2022. 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 filedEATON RAPIDS WWTP
Permittee as filedCity of Eaton Rapids
NPDES IDMI0022861
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
IssuedApril 23, 2019
Expiration dateOctober 1, 2022
Issuing agencyState
AddressEaton Rapids, MI 48827
Receiving waterGrand River
Receiving water impaired303(D) Listed
SubwatershedSkinner Extension Drain-Grand River (HUC 040500040702)
Program components on fileBiosolids, POTW
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems
Other EPA IDs (FRS)RCRA handler MID985646017

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

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]820614June 30, 202399,999% over the limit
Solids, total suspended4579January 31, 2023589% over the limit
Mercury, total [as Hg]62755July 31, 202062% over the limit
Solids, suspended percent removal2175January 31, 2023466% over the limit
Coliform, fecal general2262March 31, 200628% over the limit
Phosphorus, total [as P]4741December 31, 202261% over the limit
pH2251October 31, 2006
BOD, carb-5 day, 20 deg C, percent removal2131January 31, 2023143% over the limit
Chlorine, total residual011December 31, 2003400% over the limit
Nitrogen, ammonia total [as N]4480
Flow, in conduit or thru treatment plant2240
Oxygen, dissolved [DO]2130
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
October 11, 2025Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II)ST6
March 23, 2023Monitoring Violations - Failure to Monitor for Non-Toxicity RequirementsST6
December 13, 2022Effluent Violations - Numeric effluent violationST6
December 13, 2022Monitoring Violations - Invalid/Unrepresentative SampleST6
April 1, 2021Monitoring Violations - Failure to Monitor for Non-Toxicity RequirementsST6
October 31, 2020Reporting Violations - Late Submittal of DMRsST6
August 28, 2020Reporting Violations - Failure to NotifyST6
January 1, 2020Pretreatment - Failure to Develop/Enforce StandardsST6
January 1, 2020Pretreatment - Failure to Enforce Against I/UST6
January 1, 2020Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II)ST6
January 1, 2019Monitoring Violations - Failure to Monitor for Non-Toxicity RequirementsST6

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 MI0022861 for the EATON RAPIDS WWTP in Eaton Rapids, MI, held by the City of Eaton Rapids and discharging to the Grand River, with its status listed as administratively continued. The page lists a Minor Discharger class, 25 pollutants under a numeric limit, and 9 pollutants with an effluent exceedance.