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Clean Water Act discharge permit · NPDES ALG150112

ARDENT MILLS, LLC, Decatur, AL: NPDES ALG150112 discharge permit, effluent exceedances, inspections, penalties

ARDENT MILLS, LLC, held by Ardent Mills, LLC, holds NPDES permit ALG150112. EPA’s file records it issued May 25, 2017 and expiring May 31, 2022.

ARDENT MILLS, LLC, Decatur, Alabama: Coverage under a general permit ALG150112, held by Ardent Mills, LLC; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued May 25, 2017, term to May 31, 2022; Flour Milling.

  • pH: 8 limits, 24 violations of any kind, 0 effluent exceedances.
  • BOD, 5-day, 20 deg. C: 2 limits, 10 violations of any kind, 0 effluent exceedances.
  • Solids, total suspended: 2 limits, 10 violations of any kind, 0 effluent exceedances.
  • Nitrogen, Kjeldahl, total [as N]: 2 limits, 10 violations of any kind, 0 effluent exceedances.
  • Nitrite + Nitrate total [as N]: 2 limits, 10 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 2 limits, 10 violations of any kind, 0 effluent exceedances.
  • Rainfall: 2 limits, 10 violations of any kind, 0 effluent exceedances.
  • Oil and grease: 0 limits, 8 violations of any kind, 0 effluent exceedances.
  • Chlorine, total residual: 4 limits, 4 violations of any kind, 0 effluent exceedances.
  • Temperature, water deg. fahrenheit: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Oil & Grease: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • October 21, 2026: Evaluation (S).

Alabama holds 2,504 Industrial stormwater coverages of this permit type in EPA’s file; 929 were issued before ALG150112.

Coverages issued nearest ALG150112

ARDENT MILLS, LLC among its neighbors

EPA’s permit file holds 122 discharge permits in the Bakers Creek-Tennessee River subwatershed (HUC 060300021102), ALG150112 among them. Its county holds 327, 5 of them major permits; ALG150112 is a minor permit.

Other permits in the Bakers Creek-Tennessee River subwatershed (HUC 060300021102)

Identity

Facility as filedARDENT MILLS, LLC
Permittee as filedArdent Mills, LLC
NPDES IDALG150112
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedMay 25, 2017
Expiration dateMay 31, 2022
AddressDecatur, AL 35601
Receiving water impaired303(D) Listed
SubwatershedBakers Creek-Tennessee River (HUC 060300021102)
NAICS311211 – Flour Milling
SIC2041 – Flour And Other Grain Mill Products
Other EPA IDs (FRS)RCRA handler ALD150004398; ICIS-AIR source AL0000000110300004

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
pH8240
BOD, 5-day, 20 deg. C2100
Solids, total suspended2100
Nitrogen, Kjeldahl, total [as N]2100
Nitrite + Nitrate total [as N]2100
Phosphorus, total [as P]2100
Rainfall2100
Oil and grease080
Chlorine, total residual440
Temperature, water deg. fahrenheit220
Oil & Grease220
Flow, in conduit or thru treatment plant220

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ALG150112.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES ALG150112.

Inspections

DateWhat EPA recordedAgency
October 21, 2026EvaluationS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES ALG150112.

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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 ALG150112, held by ARDENT MILLS, LLC in Decatur, AL, under the Industrial stormwater program, and is listed as administratively continued. The figures shown are 11 for the discharger class and 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.