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Clean Water Act discharge permit · NPDES AL0003662

SYLACAUGA OPERATIONS, Talladega County, AL: NPDES AL0003662 discharge permit, effluent exceedances, inspections, penalties

SYLACAUGA OPERATIONS, held by IMERYS CARB SYLACAUGA PLANT, holds NPDES permit AL0003662, which discharges to Ut To Darby Br Cedar Creek. EPA’s file records it issued October 1, 2005 and expiring September 30, 2010.

SYLACAUGA OPERATIONS, Talladega County, Alabama: Individual permit AL0003662, held by IMERYS CARB SYLACAUGA PLANT; Administratively continued (past its expiration date and still in force until reissued); issued October 1, 2005, term to September 30, 2010; discharges to UT TO DARBY BR CEDAR CREEK.

  • Solids, total suspended: 16 limits, 244 violations of any kind, 58 effluent exceedances, latest January 31, 2023, largest 258% over the limit.
  • pH: 16 limits, 199 violations of any kind, 3 effluent exceedances, latest October 31, 2020.
  • Oil and grease: 6 limits, 81 violations of any kind, 2 effluent exceedances, latest August 31, 2017, largest 240% over the limit.
  • Toxicity [chronic], Ceriodaphnia dubia: 1 limit, 34 violations of any kind, 2 effluent exceedances, latest December 31, 2025, largest 2,147,483,650% over the limit.
  • Toxicity [chronic], Pimephales promelas [Fathead Minnow]: 1 limit, 34 violations of any kind, 2 effluent exceedances, latest December 31, 2024, largest 2,147,483,650% over the limit.
  • Flow, in conduit or thru treatment plant: 16 limits, 194 violations of any kind, 0 effluent exceedances.
  • Iron, total [as Fe]: 6 limits, 79 violations of any kind, 0 effluent exceedances.
  • Manganese, total [as Mn]: 6 limits, 79 violations of any kind, 0 effluent exceedances.
  • Solids, total dissolved: 6 limits, 79 violations of any kind, 0 effluent exceedances.
  • Chemical Oxygen Demand [COD]: 6 limits, 79 violations of any kind, 0 effluent exceedances.
  • February 9, 2026: Sampling (S).

SYLACAUGA OPERATIONS among its neighbors

EPA’s permit file holds 29 discharge permits in the Shirtee Creek subwatershed (HUC 031501070104), AL0003662 among them. Its county holds 167, 6 of them major permits; AL0003662 is a major permit.

Other permits in the Shirtee Creek subwatershed (HUC 031501070104)

Identity

Facility as filedSYLACAUGA OPERATIONS
Permittee as filedIMERYS CARB SYLACAUGA PLANT
NPDES IDAL0003662
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 1, 2005
Expiration dateSeptember 30, 2010
AddressTalladega County, AL 35150
Receiving waterUT TO DARBY BR CEDAR CREEK
SubwatershedShirtee Creek (HUC 031501070104)
SIC1422 – Crushed And Broken Limestone
Other EPA IDs (FRS)RCRA handler ALR000007070; ICIS-AIR source AL0000000112100049

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
Solids, total suspended1624458January 31, 2023258% over the limit
pH161993October 31, 2020
Oil and grease6812August 31, 2017240% over the limit
Toxicity [chronic], Ceriodaphnia dubia1342December 31, 20252,147,483,650% over the limit
Toxicity [chronic], Pimephales promelas [Fathead Minnow]1342December 31, 20242,147,483,650% over the limit
Flow, in conduit or thru treatment plant161940
Iron, total [as Fe]6790
Manganese, total [as Mn]6790
Solids, total dissolved6790
Chemical Oxygen Demand [COD]6790

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES AL0003662.

Inspections

DateWhat EPA recordedAgency
February 9, 2026SamplingS

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 AL0003662.

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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 AL0003662 for the SYLACAUGA OPERATIONS facility in Talladega County, AL, held by IMERYS CARB SYLACAUGA PLANT, which discharges to UT TO DARBY BR CEDAR CREEK in the Shirtee Creek subwatershed (HUC 031501070104). The page lists the permit as administratively continued, classed as a Major Discharger, with 10 pollutants under a numeric limit and 5 pollutants with an effluent exceedance.