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Clean Water Act discharge permit · NPDES MO0101567

SEDALIA SOUTHEAST WWTP, Sedalia, MO: NPDES MO0101567 discharge permit, effluent exceedances, inspections, penalties

SEDALIA SOUTHEAST WWTP, held by City of Sedalia, holds NPDES permit MO0101567, which discharges to Breakfast Branch. EPA’s file records it issued March 27, 2019 and expiring March 31, 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 filedSEDALIA SOUTHEAST WWTP
Permittee as filedCity of Sedalia
NPDES IDMO0101567
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMarch 27, 2019
Expiration dateMarch 31, 2021
AddressSedalia, MO 65301
Receiving waterBreakfast Branch
SubwatershedWalnut Creek-Flat Creek (HUC 103001030301)

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 suspended23224June 30, 2026473% over the limit
Solids, suspended percent removal12020June 30, 2026416% over the limit
BOD, 5-day, percent removal11919April 30, 2026227% over the limit
Nitrogen, ammonia total [as N]69216March 31, 2026175% over the limit
Silver total recoverable06016December 31, 2011825% over the limit
Copper, total recoverable24115May 31, 2025122% over the limit
Ammonia [as N] + unionized ammonia05811August 31, 2018219% over the limit
pH2247July 31, 2025
BOD, 5-day, 20 deg. C2166November 30, 202499,999% over the limit
Zinc, total recoverable0553August 31, 201257% over the limit
E. coli, colony forming units [CFU]073May 31, 2017193% over the limit
Solids, settleable022December 31, 2002700% over the limit
Lead, total recoverable0451July 31, 2002212% over the limit
Nickel, total recoverable0171April 30, 200367% over the limit
Coliform, fecal, colony forming units0380
Oil and grease [soxhlet extr.] tot.2260
Chromium, trivalent total recoverable0160
Chromium, hexavalent tot recoverable0160
Flow, in conduit or thru treatment plant2120
Phosphorus, total [as P]460
Hardness, total [as CaCO3]240
Nitrogen, Kjeldahl, total [as N]220
Toxicity [acute], Ceriodaphnia dubia120
Toxicity [acute], Pimephales promelas [Fathead Minnow]120
Nitrite + Nitrate total [as N]400
E. coli200

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
August 6, 2026Reporting Violations - Improper/ Incorrect ReportingST6
August 6, 2026WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMPST6
August 6, 2026Effluent Violations - Numeric effluent violationST6
August 6, 2026Permit Violations - Violation Specified in CommentST6
August 6, 2026Management Practice Violations - Improper Operation and MaintenanceST6
August 6, 2026Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
December 6, 2023Effluent Violations - Unauthorized DischargeST6
December 6, 2023Effluent Violations - Narrative Effluent ViolationST6
December 6, 2023Management Practice Violations - Improper Operation and MaintenanceST6
July 25, 2019Reporting Violations - Improper/ Incorrect ReportingST6
July 25, 2019Permit Violations - Violation Specified in CommentST6
July 25, 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

The Velarion Records page covers NPDES permit MO0101567 for the SEDALIA SOUTHEAST WWTP, held by City of Sedalia, which discharges to Breakfast Branch in watershed HUC 103001030301. The permit is listed as administratively continued, with 16 of 26 pollutants on file under a numeric limit, and 14 pollutants with an effluent exceedance.