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Clean Water Act discharge permit · NPDES MO0126292

BUTTERFIELD WWTF, Butterfield, MO: NPDES MO0126292 discharge permit, effluent exceedances, inspections, penalties

BUTTERFIELD WWTF, held by City of Butterfield, holds NPDES permit MO0126292, which discharges to Tributary To Pogue Creek. EPA’s file records it issued July 9, 2018 and expiring March 31, 2023. 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 filedBUTTERFIELD WWTF
Permittee as filedCity of Butterfield
NPDES IDMO0126292
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
IssuedJuly 9, 2018
Expiration dateMarch 31, 2023
AddressButterfield, MO 65625
Receiving waterTributary to Pogue Creek
SubwatershedHeadwaters Shoal Creek (HUC 110702070702)
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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
Oxygen, dissolved [DO]0108100July 31, 201890% over the limit
Nitrogen, ammonia total [as N]69448July 31, 20261,411% over the limit
BOD, 5-day, 20 deg. C28238April 30, 2026290% over the limit
E. coli27135May 31, 202699,999% over the limit
Chlorine, total residual27230July 31, 20264,584% over the limit
pH26826January 31, 2026
E. coli, colony forming units [CFU]0126February 28, 2017310% over the limit
Solids, suspended percent removal1224June 30, 202499,999% over the limit
BOD, 5-day, percent removal1213April 30, 202329% over the limit
Toxicity [acute], Ceriodaphnia dubia241December 31, 2025233% over the limit
Toxicity [acute], Pimephales promelas [Fathead Minnow]241December 31, 2025233% over the limit
Solids, total suspended2440
Flow, in conduit or thru treatment plant2420
Oil and grease [soxhlet extr.] tot.2180

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
September 14, 2026Effluent Violations - Numeric effluent violationST6
April 2, 2026Effluent Violations - Numeric effluent violationST6
September 23, 2025Effluent Violations - Numeric effluent violationST6
September 3, 2025Permit Violations - Violation Specified in CommentST6
September 3, 2025Effluent Violations - Numeric effluent violationST6
August 7, 2024Effluent Violations - Numeric effluent violationST6
March 22, 2024Effluent Violations - Numeric effluent violationST6
December 20, 2023Effluent Violations - Numeric effluent violationST6
November 20, 2023Reporting Violations - Failure to Submit DMRsST6
June 26, 2023Effluent Violations - Numeric effluent violationST6
March 24, 2023Effluent Violations - Numeric effluent violationST6
December 30, 2022Effluent Violations - Numeric effluent violationST6
December 30, 2022Permit Violations - Failure to Submit Timely Permit Renewal ApplicationST6
December 30, 2022Permit Violations - Violation Specified in CommentST6
December 30, 2022Reporting Violations - Improper/ Incorrect ReportingST6
December 30, 2022Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
June 22, 2022Reporting Violations - Improper/ Incorrect ReportingST6
March 29, 2022Effluent Violations - Numeric effluent violationST6
March 26, 2021Effluent Violations - Numeric effluent violationST6
September 21, 2020Reporting Violations - Failure to Submit DMRsST6
June 26, 2020Reporting Violations - Failure to Submit DMRsST6
March 23, 2020Reporting Violations - Improper/ Incorrect ReportingST6
January 3, 2019Reporting Violations - Improper/ Incorrect ReportingST6
January 3, 2019Permit Violations - Violation Specified in CommentST6
January 3, 2019Management Practice Violations - Improper Operation and MaintenanceST6
June 30, 2017Effluent Violations - Numeric effluent violationST6

Inspections

EPA’s inspection file holds no inspection for NPDES MO0126292.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MO0126292.

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 Clean Water Act discharge permit NPDES MO0126292 for the BUTTERFIELD WWTF in Butterfield, MO, held by the City of Butterfield, which discharges to Tributary To Pogue Creek, with the page listing 12 for minor discharger class, 11 pollutants under a numeric limit, and 11 pollutants with an effluent exceedance. The permit is shown as administratively continued, with the status and dates reflecting EPA's permit file as loaded on October 14, 2026.