Clean Water Act discharge permit · NPDES AL0002747

STERLING SPECIALTY CHEMICALS, US, LLC, Mobile, AL: NPDES AL0002747 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
10Pollutants under a numeric limit
1Pollutants with an effluent exceedance

STERLING SPECIALTY CHEMICALS, US, LLC, held by Kemira Chemicals, Inc., holds NPDES permit AL0002747. EPA’s file records it issued January 30, 2023 and expiring January 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 filed	STERLING SPECIALTY CHEMICALS, US, LLC
Permittee as filed	Kemira Chemicals, Inc.
NPDES ID	AL0002747
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 30, 2023
Expiration date	January 31, 2028
Issuing agency	State
Address	Mobile, AL 36610
Subwatershed	Lower Chasaw Creek (HUC 031602040305)
NAICS	325199 – All Other Basic Organic Chemical Manufacturing
SIC	2821 – Plastics Materials And Resins
Other EPA IDs (FRS)	RCRA handler ALD008175408; ICIS-AIR source AL0000000109705007

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

13Pollutants on file
10Under a numeric limit
13With a violation of any kind
1With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Oil & Grease	2	4	1	June 30, 2019	71% over the limit
Flow, in conduit or thru treatment plant	2	16	0
pH	4	14	0
Temperature, water deg. fahrenheit	0	10	0
Zinc, total recoverable	0	9	0
Solids, total suspended	2	6	0
Sulfate, total [as SO4]	2	6	0
Aluminum, total [as Al]	2	6	0
Chemical Oxygen Demand [COD]	2	6	0
Lead, total [as Pb]	2	5	0
Zinc, total [as Zn]	2	4	0
Solids, total dissolved [TDS]	2	4	0
Oil and grease	0	4	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AL0002747.

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

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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 AL0002747 there.

Nearby on the register

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

This public-records page covers NPDES permit AL0002747 for STERLING SPECIALTY CHEMICALS, US, LLC in Mobile, AL, shown with an Effective permit status, a Minor discharger class, and an individual permit type. The page lists 10 pollutants under a numeric limit and 1 pollutant with an effluent exceedance, with the permit issued January 30, 2023 and expiring January 31, 2028.