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Clean Water Act discharge permit · NPDES ALP000184

ARCELORMITTAL CALVERT LLC, Calvert, AL: NPDES ALP000184 discharge permit, effluent exceedances, inspections, penalties

ARCELORMITTAL CALVERT LLC, held by AM/NS Calvert LLC, holds NPDES permit ALP000184. EPA’s file records it issued July 27, 2023 and expiring July 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedARCELORMITTAL CALVERT LLC
Permittee as filedAM/NS Calvert LLC
NPDES IDALP000184
Permit statusEffective
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 27, 2023
Expiration dateJuly 31, 2028
Issuing agencyState
AddressCalvert, AL 36513
NAICS331110 – Iron and Steel Mills and Ferroalloy Manufacturing
SIC3312 – Blast Furnaces And Steel Mills
Other EPA IDs (FRS)RCRA handler ALR000042689

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Temperature, water deg. fahrenheit1066August 31, 20187% over the limit
pH1044July 31, 2018
Solids, total suspended844June 30, 2018143% over the limit
Chlorine, total residual233March 31, 2017509% over the limit
Oil & Grease822November 30, 2015601% over the limit
Nitrogen, Kjeldahl, total [as N]411July 31, 201521% over the limit
Phosphorus, total [as P]411December 31, 20174% over the limit
Lead, total [as Pb]1000
Nickel, total [as Ni]1000
Zinc, total [as Zn]1000
Flow, in conduit or thru treatment plant1000
Chromium, total [as Cr]800
Chromium, hexavalent [as Cr]600
BOD, 5-day, 20 deg. C400

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 ALP000184.

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.

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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 ALP000184 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit ALP000184, held by ARCELORMITTAL CALVERT LLC in Calvert, AL, with the permittee listed as AM/NS Calvert LLC. The page lists 14 pollutants under a numeric limit and 7 pollutants with an effluent exceedance, with the permit status shown as Effective.