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NPDES MOG490779 · Clean Water Act

LANDVATTER READY MIX, INC., St Charles, MO: NPDES MOG490779 discharge permit, effluent exceedances, inspections, penalties

LANDVATTER READY MIX, INC., St Charles, Missouri: General permit coverage MOG490779, held by Landvatter Ready Mix , Inc; Industrial stormwater; Administratively continued; issued June 26, 2017, term to April 30, 2022; discharges to Tributary to Cole Creek; Ready-Mix Concrete Manufacturing.

  • pH: 4 limits, 88 violations of any kind, 16 effluent exceedances, latest March 31, 2021.
  • Solids, total suspended: 4 limits, 84 violations of any kind, 12 effluent exceedances, latest March 31, 2019, largest 209% over the limit.
  • Oil and grease [soxhlet extr.] tot.: 4 limits, 79 violations of any kind, 7 effluent exceedances, latest March 31, 2023, largest 4,320% over the limit.
  • Solids, settleable: 4 limits, 72 violations of any kind.
  • Flow, in conduit or thru treatment plant: 4 limits, 70 violations of any kind.
  • Storm water flow: 0 limits, 2 violations of any kind.
  • November 26, 2025: Reporting Violations - Improper/ Incorrect Reporting (ST6).
  • January 5, 2024: Reporting Violations - Failure to Submit DMRs (ST6).
  • November 20, 2023: Reporting Violations - Failure to Submit DMRs (ST6).
  • September 28, 2023: Reporting Violations - Failure to Submit DMRs (ST6).
  • July 25, 2022: Permit Violations - Violation Specified in Comment (ST6).
  • July 25, 2022: WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP (ST6).
  • July 25, 2022: Effluent Violations - Numeric effluent violation (ST6).
  • January 13, 2022: Reporting Violations - Failure to Submit DMRs (ST6).
  • October 15, 2021: Reporting Violations - Failure to Submit DMRs (ST6).
  • July 14, 2021: Reporting Violations - Improper/ Incorrect Reporting (ST6).
  • April 21, 2021: WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP (ST6).
  • April 21, 2021: Permit Violations - Violation Specified in Comment (ST6).

Missouri holds 3,107 Industrial stormwater coverages of this permit type in EPA’s file; 759 were issued before MOG490779.

Coverages issued nearest MOG490779

LANDVATTER READY MIX, INC. among its neighbors

169 discharge permits are in the Lower Dardenne Creek subwatershed (HUC 071100090105); MOG490779 is one. Its county: 774, 9 major; MOG490779 is minor permit.

Other permits in the Lower Dardenne Creek subwatershed (HUC 071100090105)

Identity

FacilityLANDVATTER READY MIX, INC.
PermitteeLandvatter Ready Mix , Inc
NPDES IDMOG490779
StatusAdministratively continued
TypeGeneral permit coverage
ClassMinor
Facility typeNon-POTW
ProgramIndustrial stormwater
IssuedJune 26, 2017
ExpiresApril 30, 2022
AddressSt Charles, MO 63301
Receiving waterTributary to Cole Creek
Receiving water impaired303(D) Listed
SubwatershedLower Dardenne Creek (HUC 071100090105)
NAICS327320 – Ready-Mix Concrete Manufacturing
SIC3273 – Ready-Mixed Concrete

NPDES MOG490779: effluent limits and exceedances

LANDVATTER READY MIX, INC. (NPDES MOG490779): 6 pollutants on file, 5 limited; 6 with a violation of any kind, 3 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
pH48816March 31, 2021
Solids, total suspended48412March 31, 2019209% over the limit
Oil and grease [soxhlet extr.] tot.4797March 31, 20234,320% over the limit
Solids, settleable4720
Flow, in conduit or thru treatment plant4700
Storm water flow020

NPDES MOG490779: inspections, violations and enforcement

NPDES MOG490779: 12 single-event violations

DateWhat EPA recordedAgency
November 26, 2025Reporting Violations - Improper/ Incorrect ReportingST6
January 5, 2024Reporting Violations - Failure to Submit DMRsST6
November 20, 2023Reporting Violations - Failure to Submit DMRsST6
September 28, 2023Reporting Violations - Failure to Submit DMRsST6
July 25, 2022Permit Violations - Violation Specified in CommentST6
July 25, 2022WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMPST6
July 25, 2022Effluent Violations - Numeric effluent violationST6
January 13, 2022Reporting Violations - Failure to Submit DMRsST6
October 15, 2021Reporting Violations - Failure to Submit DMRsST6
July 14, 2021Reporting Violations - Improper/ Incorrect ReportingST6
April 21, 2021WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMPST6
April 21, 2021Permit Violations - Violation Specified in CommentST6

NPDES MOG490779 (LANDVATTER READY MIX, INC.): no inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES MOG490779

NPDES MOG490779: 6 pollutant rows, 12 dated events; ICIS-NPDES download, loaded October 14, 2026.