Clean Water Act discharge permit · NPDES ALP000409

GENERAL ELECTRIC COMPANY - HUNTSVILLE, Madison, AL: NPDES ALP000409 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
16Pollutants under a numeric limit
0Pollutants with an effluent exceedance

GENERAL ELECTRIC COMPANY - HUNTSVILLE, held by GE Aviation - Ceramic Matrix Composites, holds NPDES permit ALP000409. EPA’s file records it issued August 30, 2018 and expiring August 31, 2023. 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.

What the register holds for GENERAL ELECTRIC COMPANY - HUNTSVILLE: its NPDES ID, its permit type and status, its dates, its address in Madison, Alabama, and 16 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ALP000409.

Identity

Facility as filed	GENERAL ELECTRIC COMPANY - HUNTSVILLE
Permittee as filed	GE Aviation - Ceramic Matrix Composites
NPDES ID	ALP000409
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual industrial user permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 30, 2018
Expiration date	August 31, 2023
Address	Madison, AL 35756
NAICS	335991 – Carbon and Graphite Product Manufacturing
SIC	3624 – Carbon And Graphite Products
Other EPA IDs (FRS)	RCRA handler ALR000061796

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

16Pollutants on file
16Under 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
Oil & Grease	2	0	0
Nitrogen, ammonia total [as N]	2	0	0
Nitrogen, Kjeldahl, total [as N]	2	0	0
Phosphorus, total [as P]	2	0	0
Carbon, tot organic [TOC]	2	0	0
Cyanide, total [as CN]	2	0	0
Magnesium, total [as Mg]	2	0	0
Sulfate, total [as SO4]	2	0	0
Barium, total [as Ba]	2	0	0
Copper, total [as Cu]	2	0	0
Zinc, total [as Zn]	2	0	0
Selenium, total [as Se]	2	0	0
Chloride	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
Organics, total toxic [TTO]	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ALP000409.

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 ALP000409.

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, ALP000409.

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How we handle your data → Privacy

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 ALP000409 there.

Nearby on the register

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

This public-records page covers NPDES permit ALP000409, held by GE Aviation - Ceramic Matrix Composites for GENERAL ELECTRIC COMPANY - HUNTSVILLE in Madison, Alabama, with a permit status of administratively continued. The page lists 16 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.