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Clean Water Act discharge permit · NPDES MO0032557

BRUNSWICK WWTF, Brunswick, MO: NPDES MO0032557 discharge permit, effluent exceedances, inspections, penalties

BRUNSWICK WWTF, held by City of Brunswick, holds NPDES permit MO0032557, which discharges to Grand River. EPA’s file records it issued January 10, 2018 and expiring September 30, 2022. 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 filedBRUNSWICK WWTF
Permittee as filedCity of Brunswick
NPDES IDMO0032557
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
IssuedJanuary 10, 2018
Expiration dateSeptember 30, 2022
AddressBrunswick, MO 65236
Receiving waterGrand River
Receiving water impaired303(D) Listed
SubwatershedGrand River (HUC 102801032303)

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
BOD, 5-day, 20 deg. C28623September 30, 2024249% over the limit
Solids, suspended percent removal12718September 30, 20241,080% over the limit
Solids, total suspended28617September 30, 202291% over the limit
E. coli23515September 30, 202599,999% over the limit
BOD, 5-day, percent removal1145May 31, 2024158% over the limit
Coliform, fecal general033September 30, 20122,875% over the limit
E. coli, colony forming units [CFU]082May 31, 2015202% over the limit
Oil and grease [soxhlet extr.] tot.2331June 30, 200710% over the limit
Flow, in conduit or thru treatment plant2620
pH1560
Phosphorus, total [as P]4460
Nitrogen, total [as N]4420
Nitrogen, ammonia total [as N]2340
Chlorine, total residual2260
Nitrogen, Kjeldahl, total [as N]080
Nitrite + Nitrate total [as N]080
Toxicity [acute], Ceriodaphnia dubia100
Toxicity [acute], Pimephales promelas [Fathead Minnow]100

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
December 30, 2025Reporting Violations - Improper/ Incorrect ReportingST6
December 30, 2025Effluent Violations - Numeric effluent violationST6
March 28, 2025Reporting Violations - Improper/ Incorrect ReportingST6
March 28, 2025Effluent Violations - Numeric effluent violationST6
November 16, 2023Reporting Violations - Failure to Submit DMRsST6
November 21, 2022Permit Violations - Discharge Without a Valid PermitST6
November 21, 2022Permit Violations - Violation Specified in CommentST6
November 21, 2022Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
November 21, 2022Effluent Violations - Numeric effluent violationST6
November 21, 2022Permit Violations - Failure to Submit Timely Permit Renewal ApplicationST6
June 30, 2022Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
March 31, 2022Effluent Violations - Numeric effluent violationST6
March 31, 2022Reporting Violations - Improper/ Incorrect ReportingST6
December 30, 2021Reporting Violations - Improper/ Incorrect ReportingST6
December 30, 2021Effluent Violations - Numeric effluent violationST6
June 3, 2020Permit Violations - Violation Specified in CommentST6
June 3, 2020Reporting Violations - Failure to Submit DMRsST6
December 27, 2019Effluent Violations - Numeric effluent violationST6
December 27, 2019Reporting Violations - Failure to Submit DMRsST6
July 9, 2019Reporting Violations - Failure to Submit DMRsST6
July 9, 2019Effluent Violations - Numeric effluent violationST6

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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MO0032557.

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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 MO0032557 there.

Nearby on the register

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