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Clean Water Act discharge permit · NPDES ALG110395

MMC MATERIALS GULF COAST - SCHILLINGER ROAD PLANT, Semmes, AL: NPDES ALG110395 discharge permit, effluent exceedances, inspections, penalties

MMC MATERIALS GULF COAST - SCHILLINGER ROAD PLANT, held by Bayou Concrete LLC, holds NPDES permit ALG110395. EPA’s file records it issued August 30, 2022 and expiring August 31, 2027.

MMC MATERIALS GULF COAST - SCHILLINGER ROAD PLANT, Semmes, Alabama: Coverage under a general permit ALG110395, held by Bayou Concrete LLC; Industrial stormwater; Effective; issued August 30, 2022, term to August 31, 2027, by State; Ready-Mix Concrete Manufacturing.

  • Phosphorus, total [as P]: 2 limits, 7 violations of any kind, 1 effluent exceedance, latest June 30, 2012, largest 200% over the limit.
  • pH: 8 limits, 10 violations of any kind, 0 effluent exceedances.
  • Solids, total suspended: 4 limits, 6 violations of any kind, 0 effluent exceedances.
  • Oil & Grease: 2 limits, 5 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 2 limits, 5 violations of any kind, 0 effluent exceedances.
  • Rainfall: 2 limits, 1 violation of any kind, 0 effluent exceedances.
  • Annual Certification Statement: 1 limit, 1 violation of any kind, 0 effluent exceedances.

Alabama holds 2,504 Industrial stormwater coverages of this permit type in EPA’s file; 2,061 were issued before ALG110395. Bayou Concrete LLC holds 10 permits in Alabama.

Other permits held by Bayou Concrete LLC

Coverages issued nearest ALG110395

MMC MATERIALS GULF COAST - SCHILLINGER ROAD PLANT among its neighbors

EPA’s permit file holds 69 discharge permits in the Red Creek-Eightmile Creek subwatershed (HUC 031602040304), ALG110395 among them. Its county holds 1,120, 18 of them major permits; ALG110395 is a minor permit.

Other permits in the Red Creek-Eightmile Creek subwatershed (HUC 031602040304)

Identity

Facility as filedMMC MATERIALS GULF COAST - SCHILLINGER ROAD PLANT
Permittee as filedBayou Concrete LLC
NPDES IDALG110395
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedAugust 30, 2022
Expiration dateAugust 31, 2027
Issuing agencyState
AddressSemmes, AL 36575
SubwatershedRed Creek-Eightmile Creek (HUC 031602040304)
NAICS327320 – Ready-Mix Concrete Manufacturing
SIC2951 – Asphalt Paving Mixtures And Blocks

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
Phosphorus, total [as P]271June 30, 2012200% over the limit
pH8100
Solids, total suspended460
Oil & Grease250
Flow, in conduit or thru treatment plant250
Rainfall210
Annual Certification Statement110

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES ALG110395.

Inspections

EPA’s inspection file holds no inspection for NPDES ALG110395.

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 ALG110395.

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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 discharge permit ALG110395, held by Bayou Concrete LLC for MMC MATERIALS GULF COAST - SCHILLINGER ROAD PLANT in Semmes, AL, with a status of Effective and a discharger class of 7. The page lists 1 pollutant under a numeric limit and 1 pollutant with an effluent exceedance, within the Red Creek-Eightmile Creek subwatershed (HUC 031602040304).