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NPDES MOG490194 · Clean Water Act

CONCO CO MARSHFIELD QUARRY, Marshfield, MO: NPDES MOG490194 discharge permit, effluent exceedances, inspections, penalties

CONCO CO MARSHFIELD QUARRY, Marshfield, Missouri: General permit coverage MOG490194, held by Conco Companies; Industrial stormwater; Effective; issued June 1, 2022, term to April 30, 2027; discharges to Tributary to Hollis Branch.

  • pH: 2 limits, 4 violations of any kind.
  • Solids, total suspended: 0 limits, 4 violations of any kind.
  • Solids, settleable: 0 limits, 4 violations of any kind.
  • Oil and grease [soxhlet extr.] tot.: 0 limits, 4 violations of any kind.
  • Flow, in conduit or thru treatment plant: 0 limits, 4 violations of any kind.

Missouri holds 3,107 Industrial stormwater coverages of this permit type in EPA’s file; 2,382 were issued before MOG490194. Conco Companies holds 4 permits in Missouri.

Other permits held by Conco Companies

Coverages issued nearest MOG490194

CONCO CO MARSHFIELD QUARRY among its neighbors

20 discharge permits are in the Headwaters Niangua River subwatershed (HUC 102901100101); MOG490194 is one. Its county: 77, 1 major; MOG490194 is minor permit.

Other permits in the Headwaters Niangua River subwatershed (HUC 102901100101)

Identity

FacilityCONCO CO MARSHFIELD QUARRY
PermitteeConco Companies
NPDES IDMOG490194
StatusEffective
TypeGeneral permit coverage
ClassMinor
Facility typeNon-POTW
ProgramIndustrial stormwater
IssuedJune 1, 2022
ExpiresApril 30, 2027
AddressMarshfield, MO 65706
Receiving waterTributary to Hollis Branch
SubwatershedHeadwaters Niangua River (HUC 102901100101)
SIC1422 – Crushed And Broken Limestone

NPDES MOG490194: effluent limits and exceedances

CONCO CO MARSHFIELD QUARRY (NPDES MOG490194): 5 pollutants on file, 1 limited; 5 with a violation of any kind, 0 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
pH240
Solids, total suspended040
Solids, settleable040
Oil and grease [soxhlet extr.] tot.040
Flow, in conduit or thru treatment plant040

NPDES MOG490194: inspections, violations and enforcement

NPDES MOG490194 (CONCO CO MARSHFIELD QUARRY): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES MOG490194

NPDES MOG490194: 5 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.