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NPDES COG500066 · Clean Water Act

GREELEY 35TH AVENUE PIT, Greeley, CO: NPDES COG500066 discharge permit, effluent exceedances, inspections, penalties

GREELEY 35TH AVENUE PIT, Greeley, Colorado: General permit coverage COG500066, held by Martin Marietta Materials Inc; Administratively continued; issued June 16, 2008, term to June 30, 2013; discharges to CACHE LA POUDRE RIVER.

5 of the 6 pollutants listed for NPDES COG500066 have no violation or effluent exceedance.

  • Selenium, potentially dissolvd: 10 limits, 2 violations of any kind.
  • pH: 10 limits.
  • Solids, total suspended: 10 limits.
  • Flow, in conduit or thru treatment plant: 10 limits.
  • Oil and grease: 5 limits.
  • Oil and grease visual: 5 limits.

Other permits held by Martin Marietta Materials Inc

GREELEY 35TH AVENUE PIT among its neighbors

70 discharge permits are in the Outlet Cache La Poudre River subwatershed (HUC 101900071008); COG500066 is one. Its county: 780, 13 major; COG500066 is minor permit.

Other permits in the Outlet Cache La Poudre River subwatershed (HUC 101900071008)

Identity

FacilityGREELEY 35TH AVENUE PIT
PermitteeMartin Marietta Materials Inc
NPDES IDCOG500066
StatusAdministratively continued
TypeGeneral permit coverage
ClassMinor
Facility typeNon-POTW
IssuedJune 16, 2008
ExpiresJune 30, 2013
AddressGreeley, CO 80631
Receiving waterCACHE LA POUDRE RIVER
Receiving water impaired303(D) Listed
SubwatershedOutlet Cache La Poudre River (HUC 101900071008)
Other EPA IDs (FRS)RCRA handler COR000203695; ICIS-AIR source CO0000000812300426

NPDES COG500066: effluent limits and exceedances

GREELEY 35TH AVENUE PIT (NPDES COG500066): 6 pollutants on file, 6 limited; 1 with a violation of any kind, 0 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Selenium, potentially dissolvd1020
pH1000
Solids, total suspended1000
Flow, in conduit or thru treatment plant1000
Oil and grease500
Oil and grease visual500

NPDES COG500066: inspections, violations and enforcement

NPDES COG500066 (GREELEY 35TH AVENUE PIT): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES COG500066

NPDES COG500066: 6 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.