Clean Water Act discharge permit · NPDES ALP000324

BASF MOBILE EMISSIONS CATALYSTS LLC, Huntsville, AL: NPDES ALP000324 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance

BASF MOBILE EMISSIONS CATALYSTS LLC, held by BASF Corporation, holds NPDES permit ALP000324. EPA’s file records it issued August 27, 2020 and expiring September 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for BASF MOBILE EMISSIONS CATALYSTS LLC: its NPDES ID, its permit type and status, its dates, its address in Huntsville, Alabama, and 4 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ALP000324.

Identity

Facility as filed	BASF MOBILE EMISSIONS CATALYSTS LLC
Permittee as filed	BASF Corporation
NPDES ID	ALP000324
Permit status	Effective
Permit type	Individual industrial user permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 27, 2020
Expiration date	September 30, 2025
Address	Huntsville, AL 35824
Other EPA IDs (FRS)	RCRA handler ALD078959590; ICIS-AIR source ALHUN000010890P228

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
0With a violation of any kind
0With 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
pH	2	0	0
Copper, total [as Cu]	2	0	0
Nickel, total [as Ni]	2	0	0
Flow, in conduit or thru treatment plant	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ALP000324.

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 ALP000324.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, ALP000324.

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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 ALP000324 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers the NPDES discharge permit ALP000324 held by BASF MOBILE EMISSIONS CATALYSTS LLC in Huntsville, AL, as filed by BASF Corporation, with an effluent exceedance count of 0 and 4 pollutants under a numeric limit. The register lists the permit as Effective, issued August 27, 2020, with an expiration date of September 30, 2025, and the status reflects EPA's file as loaded on September 15, 2026.