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Clean Water Act discharge permit · NPDES WYG589104

ARAPAHO INDUSTRIAL PARK LAGOON, Arapahoe, WY: NPDES WYG589104 discharge permit, effluent exceedances, inspections, penalties

ARAPAHO INDUSTRIAL PARK LAGOON, held by Arapahoe Industrial Park Lagoon, holds NPDES permit WYG589104. EPA’s file records it issued February 3, 2016 and expiring December 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for ARAPAHO INDUSTRIAL PARK LAGOON: its NPDES ID, its permit type and status, its dates, its address in Arapahoe, Wyoming. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WYG589104.

Identity

Facility as filedARAPAHO INDUSTRIAL PARK LAGOON
Permittee as filedArapahoe Industrial Park Lagoon
NPDES IDWYG589104
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedFebruary 3, 2016
Expiration dateDecember 31, 2020
AddressArapahoe, WY 82510
SubwatershedMission Ditch-Little Wind River (HUC 100800020207)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES WYG589104.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WYG589104.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, WYG589104.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID WYG589104 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.