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Clean Water Act discharge permit · NPDES MO0087149

JAMESPORT WWTF, Jamesport, MO: NPDES MO0087149 discharge permit, effluent exceedances, inspections, penalties

JAMESPORT WWTF, held by City of Jamesport, holds NPDES permit MO0087149, which discharges to Tributary To Muddy Creek. EPA’s file records it issued September 15, 2016 and expiring September 30, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedJAMESPORT WWTF
Permittee as filedCity of Jamesport
NPDES IDMO0087149
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
IssuedSeptember 15, 2016
Expiration dateSeptember 30, 2021
AddressJamesport, MO 64648
Receiving waterTributary to Muddy Creek
SubwatershedMuddy Creek (HUC 102801011701)

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
Solids, total suspended5435June 30, 202326% over the limit
Solids, suspended percent removal033June 30, 2026147% over the limit
BOD, 5-day, 20 deg. C5402March 31, 202112% over the limit
E. coli4202October 31, 2025321% over the limit
BOD, 5-day, percent removal022June 30, 2026151% over the limit
Nitrogen, ammonia total [as N]4351July 31, 202678% over the limit
Oil and grease [soxhlet extr.] tot.4340
Flow, in conduit or thru treatment plant4340
pH2170
Toxicity [acute], Ceriodaphnia dubia200
Toxicity [acute], Pimephales promelas [Fathead Minnow]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 31, 2026Effluent Violations - Numeric effluent violationST6
March 28, 2025Effluent Violations - Numeric effluent violationST6
March 28, 2025Reporting Violations - Improper/ Incorrect ReportingST6
November 27, 2023Reporting Violations - Improper/ Incorrect ReportingST6
November 27, 2023Effluent Violations - Numeric effluent violationST6
November 27, 2023Permit Violations - Violation Specified in CommentST6
November 16, 2023Reporting Violations - Failure to Submit DMRsST6
March 31, 2023Reporting Violations - Failure to Submit DMRsST6
August 7, 2019Permit Violations - Violation Specified in CommentST6
August 7, 2019Reporting Violations - Improper/ Incorrect ReportingST6
August 7, 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.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers NPDES permit MO0087149 for the JAMESPORT WWTF in Jamesport, MO, held by City of Jamesport and discharging to Tributary to Muddy Creek. The permit is administratively continued and classed as a Minor discharger, with 6 pollutants showing an effluent exceedance and 9 pollutants under a numeric limit.