Clean Water Act discharge permit · NPDES ALP000158

HDT EXPEDITIONARY SYSTEMS, INC., Tanner, AL: NPDES ALP000158 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
2Pollutants with an effluent exceedance

HDT EXPEDITIONARY SYSTEMS, INC., held by HDT Expeditionary Systems, Inc., holds NPDES permit ALP000158. EPA’s file records it issued March 23, 2018 and expiring April 30, 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.

Identity

Facility as filed	HDT EXPEDITIONARY SYSTEMS, INC.
Permittee as filed	HDT Expeditionary Systems, Inc.
NPDES ID	ALP000158
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	March 23, 2018
Expiration date	April 30, 2023
Address	Tanner, AL 35671
NAICS	336212 – Truck Trailer Manufacturing
SIC	3715 – Truck Trailers
Other EPA IDs (FRS)	RCRA handler ALR000044131; ICIS-AIR source ALHUN000010890P350

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

11Pollutants on file
11Under a numeric limit
11With a violation of any kind
2With 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
Zinc, total [as Zn]	2	7	3	April 30, 2018	104% over the limit
Organics, total toxic [TTO]	1	1	1	December 31, 2016	815% over the limit
pH	2	4	0
Cyanide, total [as CN]	2	4	0
Cadmium, total [as Cd]	2	4	0
Chromium, total [as Cr]	2	4	0
Copper, total [as Cu]	2	4	0
Lead, total [as Pb]	2	4	0
Nickel, total [as Ni]	2	4	0
Silver, total [as Ag]	2	4	0
Flow, in conduit or thru treatment plant	2	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 ALP000158.

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, ALP000158.

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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 ALP000158 there.

Nearby on the register

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

This public-records page covers NPDES discharge permit ALP000158 held by HDT Expeditionary Systems, Inc. in Tanner, AL, which EPA's file lists as administratively continued and past its April 30, 2023 expiration. The page lists 2 pollutants under a numeric limit and 2 pollutants with an effluent exceedance.