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NPDES WY0051900 · Clean Water Act

CARBON BASIN MINES, WY: NPDES WY0051900 discharge permit, effluent exceedances, inspections, penalties

CARBON BASIN MINES, Wyoming: Individual permit WY0051900, held by Arch of Wyoming, LLC; Administratively continued; issued June 18, 2012, term to June 30, 2017, by WDEQ.

No violation or effluent exceedance is on file for any of the 9 pollutants listed for NPDES WY0051900.

  • Solids, total suspended: 9 limits.
  • Iron, total [as Fe]: 9 limits.
  • Manganese, total [as Mn]: 9 limits.
  • pH: 6 limits.
  • Flow: 6 limits.
  • Solids, settleable: 3 limits.
  • Iron, dissolved [as Fe]: 3 limits.
  • Manganese, dissolved [as Mn]: 3 limits.
  • Duration: 3 limits.

Other permits held by Arch of Wyoming, LLC

CARBON BASIN MINES among its neighbors

1 discharge permits are in the Second Sand Creek subwatershed (HUC 101800040107); WY0051900 is one.

Identity

FacilityCARBON BASIN MINES
PermitteeArch of Wyoming, LLC
NPDES IDWY0051900
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typeNon-POTW
IssuedJune 18, 2012
ExpiresJune 30, 2017
AgencyWDEQ
AddressWY
SubwatershedSecond Sand Creek (HUC 101800040107)
SIC1221 – Bituminous Coal And Lignite - Surface

NPDES WY0051900: effluent limits and exceedances

CARBON BASIN MINES (NPDES WY0051900): 9 pollutants on file, 9 limited; 0 with a violation of any kind, 0 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Solids, total suspended900
Iron, total [as Fe]900
Manganese, total [as Mn]900
pH600
Flow600
Solids, settleable300
Iron, dissolved [as Fe]300
Manganese, dissolved [as Mn]300
Duration300

NPDES WY0051900: inspections, violations and enforcement

NPDES WY0051900 (CARBON BASIN MINES): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES WY0051900

NPDES WY0051900: 9 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.