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Clean Water Act discharge permit · NPDES ARR157966

AIR SEPARATION UNIT PROJECT, Blytheville, AR: NPDES ARR157966 discharge permit, effluent exceedances, inspections, penalties

AIR SEPARATION UNIT PROJECT, held by Nucor-Yamato Steel Company (Limited Partnership), holds NPDES permit ARR157966, which discharges to Tyronza R,St Francis R. EPA’s file records it issued May 4, 2021 and expiring October 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for AIR SEPARATION UNIT PROJECT: its NPDES ID, its permit type and status, its dates, its address in Blytheville, Arkansas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ARR157966.

Identity

Facility as filedAIR SEPARATION UNIT PROJECT
Permittee as filedNucor-Yamato Steel Company (Limited Partnership)
NPDES IDARR157966
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMay 4, 2021
Expiration dateOctober 31, 2026
AddressBlytheville, AR 72315
Receiving waterTyronza R,St Francis R
SubwatershedDitch No. 31 Headwaters (HUC 080202031201)

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 ARR157966.

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 ARR157966.

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, ARR157966.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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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 ARR157966 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The AIR SEPARATION UNIT PROJECT storm water construction permit in Blytheville, Arkansas, is one of 43 such permits in Mississippi County, and 27.9% of those 43 were issued earlier than this one. Among the 10 NPDES permits in the Ditch No. 31 Headwaters subwatershed, this permit is counted alongside its neighbors in that drainage area. The permit has no pollutants under a numeric limit and no effluent exceedances on file, and 0.0% of the county's 43 storm water construction permits carry a violation.