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NPDES MO0117471 · Clean Water Act

MAPLE HILL LANDFILL, Macon, MO: NPDES MO0117471 discharge permit, effluent exceedances, inspections, penalties

MAPLE HILL LANDFILL, Macon, Missouri: Individual permit MO0117471, held by Advanced Disposal Services Maple Hill La; Industrial stormwater; Administratively continued; issued November 7, 2017, term to September 30, 2020; discharges to Tributary to E. Fk. Little Chariton R..

1 of the 32 pollutants listed for NPDES MO0117471 have no violation or effluent exceedance.

  • Solids, total suspended: 5 limits, 51 violations of any kind, 45 effluent exceedances, latest December 31, 2024, largest 3,117% over the limit.
  • Iron, total recoverable: 4 limits, 25 violations of any kind, 19 effluent exceedances, latest December 31, 2021, largest 663% over the limit.
  • Oxygen demand, chem. [high level] [COD]: 4 limits, 15 violations of any kind, 7 effluent exceedances, latest March 31, 2017, largest 464% over the limit.
  • pH: 10 limits, 13 violations of any kind, 5 effluent exceedances, latest December 31, 2024.
  • Oil and grease [soxhlet extr.] tot.: 5 limits, 12 violations of any kind, 4 effluent exceedances, latest June 30, 2017, largest 125% over the limit.
  • Solids, settleable: 5 limits, 10 violations of any kind, 4 effluent exceedances, latest June 30, 2009, largest 400% over the limit.
  • Specific conductance: 0 limits, 18 violations of any kind.
  • Selenium, total recoverable: 4 limits, 15 violations of any kind.
  • Thallium, total recoverable: 4 limits, 15 violations of any kind.
  • Silver total recoverable: 4 limits, 15 violations of any kind.
  • Arsenic, total recoverable: 4 limits, 14 violations of any kind.
  • Chromium, hexavalent dissolved [as Cr]: 4 limits, 14 violations of any kind.
  • Chromium, trivalent total recoverable: 4 limits, 14 violations of any kind.
  • Beryllium, total recoverable [as Be]: 4 limits, 8 violations of any kind.
  • Nickel, total recoverable: 4 limits, 8 violations of any kind.
  • Cadmium, total recoverable: 4 limits, 8 violations of any kind.
  • Lead, total recoverable: 4 limits, 8 violations of any kind.
  • Storm water flow: 5 limits, 7 violations of any kind.
  • Sulfate [as S]: 4 limits, 7 violations of any kind.
  • Zinc, total recoverable: 4 limits, 7 violations of any kind.
  • Nitrogen, ammonia total [as N]: 4 limits, 6 violations of any kind.
  • Phosphorus, total [as P]: 4 limits, 6 violations of any kind.
  • Chloride [as Cl]: 4 limits, 6 violations of any kind.
  • Copper, total recoverable: 4 limits, 6 violations of any kind.
  • Manganese, total recoverable: 4 limits, 6 violations of any kind.
  • Benzene: 4 limits, 6 violations of any kind.
  • Chlorides + Sulfates: 4 limits, 4 violations of any kind.
  • Rainfall: 1 limit, 2 violations of any kind.
  • BOD, 5-day, 20 deg. C: 0 limits, 2 violations of any kind.
  • Boron, total recoverable: 0 limits, 2 violations of any kind.
  • Barium, total recoverable: 0 limits, 2 violations of any kind.
  • Mercury, total recoverable: 4 limits.
  • March 28, 2025: Effluent Violations - Numeric effluent violation (ST6).
  • June 30, 2022: Effluent Violations - Numeric effluent violation (ST6).
  • March 31, 2022: Effluent Violations - Numeric effluent violation (ST6).
  • September 28, 2017: Effluent Violations - Numeric effluent violation (ST6).
  • September 28, 2017: Permit Violations - Violation Specified in Comment (ST6).
  • September 28, 2017: WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP (ST6).

Missouri holds 210 Industrial stormwater coverages of this permit type in EPA’s file; 97 were issued before MO0117471.

Coverages issued nearest MO0117471

MAPLE HILL LANDFILL among its neighbors

14 discharge permits are in the Duck Creek-East Fork Little Chariton River subwatershed (HUC 102802030201); MO0117471 is one. Its county: 39, 1 major; MO0117471 is minor permit.

Other permits in the Duck Creek-East Fork Little Chariton River subwatershed (HUC 102802030201)

Identity

FacilityMAPLE HILL LANDFILL
PermitteeAdvanced Disposal Services Maple Hill La
NPDES IDMO0117471
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typeNon-POTW
ProgramIndustrial stormwater
IssuedNovember 7, 2017
ExpiresSeptember 30, 2020
AddressMacon, MO 63552
Receiving waterTributary to E. Fk. Little Chariton R.
SubwatershedDuck Creek-East Fork Little Chariton River (HUC 102802030201)
Other EPA IDs (FRS)ICIS-AIR source MO0000002912100027

NPDES MO0117471: effluent limits and exceedances

MAPLE HILL LANDFILL (NPDES MO0117471): 32 pollutants on file, 28 limited; 31 with a violation of any kind, 6 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Solids, total suspended55145December 31, 20243,117% over the limit
Iron, total recoverable42519December 31, 2021663% over the limit
Oxygen demand, chem. [high level] [COD]4157March 31, 2017464% over the limit
pH10135December 31, 2024
Oil and grease [soxhlet extr.] tot.5124June 30, 2017125% over the limit
Solids, settleable5104June 30, 2009400% over the limit
Specific conductance0180
Selenium, total recoverable4150
Thallium, total recoverable4150
Silver total recoverable4150
Arsenic, total recoverable4140
Chromium, hexavalent dissolved [as Cr]4140
Chromium, trivalent total recoverable4140
Beryllium, total recoverable [as Be]480
Nickel, total recoverable480
Cadmium, total recoverable480
Lead, total recoverable480
Storm water flow570
Sulfate [as S]470
Zinc, total recoverable470
Nitrogen, ammonia total [as N]460
Phosphorus, total [as P]460
Chloride [as Cl]460
Copper, total recoverable460
Manganese, total recoverable460
Benzene460
Chlorides + Sulfates440
Rainfall120
BOD, 5-day, 20 deg. C020
Boron, total recoverable020
Barium, total recoverable020
Mercury, total recoverable400

NPDES MO0117471: inspections, violations and enforcement

NPDES MO0117471: 6 single-event violations

DateWhat EPA recordedAgency
March 28, 2025Effluent Violations - Numeric effluent violationST6
June 30, 2022Effluent Violations - Numeric effluent violationST6
March 31, 2022Effluent Violations - Numeric effluent violationST6
September 28, 2017Effluent Violations - Numeric effluent violationST6
September 28, 2017Permit Violations - Violation Specified in CommentST6
September 28, 2017WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMPST6

NPDES MO0117471 (MAPLE HILL LANDFILL): no inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES MO0117471

NPDES MO0117471: 32 pollutant rows, 6 dated events; ICIS-NPDES download, loaded September 15, 2026.