Clean Water Act discharge permit · NPDES SDPG00023

AMERICAN ENGINEERED PRODUCTS, De Smet, SD: NPDES SDPG00023 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
15Pollutants under a numeric limit
1Pollutants with an effluent exceedance

AMERICAN ENGINEERED PRODUCTS, held by American Engineered Products, holds NPDES permit SDPG00023, which discharges to City Of De Smet Potw. EPA’s file records it issued April 4, 2019 and expiring June 30, 2020. 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	AMERICAN ENGINEERED PRODUCTS
Permittee as filed	American Engineered Products
NPDES ID	SDPG00023
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	April 4, 2019
Expiration date	June 30, 2020
Issuing agency	SDDENR
Address	De Smet, SD 57231
Receiving water	City of De Smet POTW
NAICS	332111 – Iron and Steel Forging
SIC	3462 – Iron And Steel Forgings
Other EPA IDs (FRS)	RCRA handler SDR000219709

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

15Pollutants on file
15Under a numeric limit
7With 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
pH	4	7	1	May 31, 2021
Temperature, water deg. fahrenheit	4	4	0
Flow rate	4	4	0
Flow, process wastewater	4	4	0
Cyanide, total [as CN]	6	2	0
Flow, total	2	2	0
Duration of discharge	2	2	0
Cadmium, total [as Cd]	6	0	0
Chromium, total [as Cr]	6	0	0
Copper, total [as Cu]	6	0	0
Lead, total [as Pb]	6	0	0
Nickel, total [as Ni]	6	0	0
Silver, total [as Ag]	6	0	0
Zinc, total [as Zn]	6	0	0
Organics, total toxic [TTO]	3	0	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 SDPG00023.

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 SDPG00023 there.

Nearby on the register

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

This public-records page covers NPDES permit SDPG00023, held by American Engineered Products in De Smet, SD, which discharges to the City of De Smet POTW. The permit is listed as administratively continued, with a discharger class of 15 and one pollutant under a numeric limit, of which 1 had an effluent exceedance.