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Clean Water Act discharge permit · NPDES MO0101273

IBERIA WWTF, Iberia, MO: NPDES MO0101273 discharge permit, effluent exceedances, inspections, penalties

IBERIA WWTF, held by City of Iberia, holds NPDES permit MO0101273, which discharges to Tributary To Rabbithead Creek. EPA’s file records it issued February 9, 2021 and expiring September 30, 2025. 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 filedIBERIA WWTF
Permittee as filedCity of Iberia
NPDES IDMO0101273
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
IssuedFebruary 9, 2021
Expiration dateSeptember 30, 2025
AddressIberia, MO 65486
Receiving waterTributary to Rabbithead Creek
SubwatershedMiddle Tavern Creek (HUC 102901110105)
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
Solids, suspended percent removal11212August 31, 2023186% over the limit
BOD, 5-day, 20 deg. C3344March 31, 202319% over the limit
BOD, 5-day, percent removal144March 31, 2023183% over the limit
pH2643November 30, 2022
Solids, total suspended3300
Nitrogen, ammonia total [as N]4200
Flow, in conduit or thru treatment plant2200
E. coli0120
Phosphorus, total [as P]4100
Oil and grease [soxhlet extr.] tot.280
Nitrogen, total [as N]060
Nitrogen, Kjeldahl, total [as N]440
Nitrite + Nitrate total [as N]440

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 26, 2025Effluent Violations - Numeric effluent violationST6
September 26, 2025Permit Violations - Violation Specified in CommentST6
September 26, 2025WW SSO - Failure to report violation that may endanger public health 122.41(l)(7)ST6
January 19, 2024Effluent Violations - Numeric effluent violationST6
August 10, 2023Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
August 10, 2023Effluent Violations - Numeric effluent violationST6
August 10, 2023Reporting Violations - Improper/ Incorrect ReportingST6
August 10, 2023Permit Violations - Violation Specified in CommentST6
May 23, 2023Permit Violations - Violation Specified in CommentST6
May 23, 2023Reporting Violations - Improper/ Incorrect ReportingST6
May 23, 2023Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
May 23, 2023Effluent Violations - Numeric effluent violationST6
July 18, 2019Management Practice Violations - Improper Operation and MaintenanceST6
July 18, 2019Reporting Violations - Failure to Submit DMRsST6
July 18, 2019Reporting Violations - Improper/ Incorrect ReportingST6
July 18, 2019Permit Violations - Violation Specified in CommentST6
July 18, 2019Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
July 18, 2019WW SSO - Failure to report violation that may endanger public health 122.41(l)(7)ST6
June 28, 2019Reporting Violations - Improper/ Incorrect ReportingST6
August 4, 2017Management Practice Violations - No Licensed/Certified OperatorST6
August 4, 2017Permit Violations - Violation Specified in CommentST6
August 4, 2017Reporting Violations - Improper/ Incorrect ReportingST6
March 21, 2017Reporting Violations - Improper/ Incorrect ReportingST6
March 21, 2017Reporting Violations - Failure to Submit DMRsST6

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 October 14, 2026.

What this page shows

This public-records page covers NPDES permit MO0101273 for the IBERIA WWTF in Iberia, MO, held by the City of Iberia and discharging to Tributary to Rabbithead Creek, with the permit status listed as administratively continued and a discharger class of minor. The page lists 11 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, within the Middle Tavern Creek subwatershed (HUC 102901110105).