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Clean Water Act discharge permit · NPDES MO0099961

EAST LYNNE WWTF, East Lynne, MO: NPDES MO0099961 discharge permit, effluent exceedances, inspections, penalties

EAST LYNNE WWTF, held by City of East Lynne, holds NPDES permit MO0099961, which discharges to Tributary To Camp Branch. EPA’s file records it issued June 14, 2016 and expiring June 30, 2021. 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 filedEAST LYNNE WWTF
Permittee as filedCity of East Lynne
NPDES IDMO0099961
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
IssuedJune 14, 2016
Expiration dateJune 30, 2021
AddressEast Lynne, MO 64743
Receiving waterTributary to Camp Branch
SubwatershedCamp Branch Creek (HUC 102901080308)

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]4107107April 30, 2026862% over the limit
E. coli23434June 30, 202699,999% over the limit
Ammonia [as N] + unionized ammonia02727March 31, 2016259% over the limit
BOD, 5-day, 20 deg. C31614April 30, 2026427% over the limit
Coliform, fecal general01414March 31, 20167,400% over the limit
Solids, suspended percent removal077June 30, 2026186% over the limit
Solids, total suspended364May 31, 202431% over the limit
pH1392September 30, 2025
Copper, total recoverable222March 31, 202072% over the limit
BOD, 5-day, percent removal022May 31, 202534% over the limit
Oil and grease [soxhlet extr.] tot.260
Hardness, total [as CaCO3]200
Flow, in conduit or thru treatment plant200
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
June 12, 2026Effluent Violations - Numeric effluent violationST6
June 18, 2025Effluent Violations - Numeric effluent violationST6
June 18, 2025Reporting Violations - Failure to Submit DMRsST6
June 20, 2024Effluent Violations - Numeric effluent violationST6
November 16, 2023Reporting Violations - Failure to Submit DMRsST6
September 18, 2023Effluent Violations - Numeric effluent violationST6
June 13, 2023Effluent Violations - Numeric effluent violationST6
March 21, 2022Effluent Violations - Numeric effluent violationST6
December 16, 2021Effluent Violations - Numeric effluent violationST6
June 17, 2021Effluent Violations - Numeric effluent violationST6
March 20, 2021Effluent Violations - Numeric effluent violationST6
October 1, 2020Effluent Violations - Numeric effluent violationST6
September 30, 2020Effluent Violations - Numeric effluent violationST6
September 21, 2020Effluent Violations - Numeric effluent violationST6
June 30, 2020Effluent Violations - Numeric effluent violationST6
April 2, 2020Effluent Violations - Numeric effluent violationST6
February 2, 2018Reporting Violations - Improper/ Incorrect ReportingST6
February 2, 2018Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
February 2, 2018Effluent Violations - Numeric effluent violationST6
February 2, 2018Management Practice Violations - Improper Operation and MaintenanceST6
December 30, 2017Management Practice Violations - Improper Operation and MaintenanceST6
December 30, 2017Reporting Violations - Improper/ Incorrect ReportingST6
December 30, 2017Effluent Violations - Numeric effluent violationST6
December 30, 2017Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
December 29, 2017Effluent Violations - Numeric effluent violationST6
September 29, 2017Effluent Violations - Numeric effluent violationST6
March 24, 2017Effluent 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.

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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 MO0099961 there.

Nearby on the register

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