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Clean Water Act discharge permit · NPDES SDPG00007

ADAMS THERMAL SYSTEMS, INC., Canton, SD: NPDES SDPG00007 discharge permit, effluent exceedances, inspections, penalties

ADAMS THERMAL SYSTEMS, INC., held by Adams Thermal Systems, Inc., holds NPDES permit SDPG00007, which discharges to Canton Potw. EPA’s file records it issued July 1, 2015 and expiring June 30, 2020. 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.

Identity

Facility as filedADAMS THERMAL SYSTEMS, INC.
Permittee as filedAdams Thermal Systems, Inc.
NPDES IDSDPG00007
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 1, 2015
Expiration dateJune 30, 2020
Issuing agencySD DENR
AddressCanton, SD 57013
Receiving waterCanton POTW
Other EPA IDs (FRS)RCRA handler SDD020193561

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

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Zinc, total [as Zn]2233June 30, 20233,278% over the limit
Copper, total [as Cu]2222June 30, 2023480% over the limit
Chromium, total [as Cr]2182June 30, 2023105% over the limit
Flow rate4820
Flow, process wastewater4820
Temperature, water deg. fahrenheit4440
pH4440
Flow, total2430
Duration of discharge2310
Cyanide, total [as CN]2180
Cadmium, total [as Cd]2160
Lead, total [as Pb]2160
Nickel, total [as Ni]2160
Silver, total [as Ag]2160
Organics, total toxic [TTO]1140

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES SDPG00007.

Inspections

DateWhat EPA recordedAgency
June 16, 2026Evaluation (IU)S

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES SDPG00007.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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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 SDPG00007 there.

ADAMS THERMAL SYSTEMS, INC., Canton, South Dakota: Individual industrial user permit SDPG00007, held by Adams Thermal Systems, Inc.; Administratively continued (past its expiration date and still in force until reissued); issued July 1, 2015, term to June 30, 2020, by SD DENR; discharges to Canton POTW.

  • Zinc, total [as Zn]: 2 limits, 23 violations of any kind, 3 effluent exceedances, latest June 30, 2023, largest 3,278% over the limit.
  • Copper, total [as Cu]: 2 limits, 22 violations of any kind, 2 effluent exceedances, latest June 30, 2023, largest 480% over the limit.
  • Chromium, total [as Cr]: 2 limits, 18 violations of any kind, 2 effluent exceedances, latest June 30, 2023, largest 105% over the limit.
  • Flow rate: 4 limits, 82 violations of any kind.
  • Flow, process wastewater: 4 limits, 82 violations of any kind.
  • Temperature, water deg. fahrenheit: 4 limits, 44 violations of any kind.
  • pH: 4 limits, 44 violations of any kind.
  • Flow, total: 2 limits, 43 violations of any kind.
  • Duration of discharge: 2 limits, 31 violations of any kind.
  • Cyanide, total [as CN]: 2 limits, 18 violations of any kind.
  • Cadmium, total [as Cd]: 2 limits, 16 violations of any kind.
  • Lead, total [as Pb]: 2 limits, 16 violations of any kind.
  • Nickel, total [as Ni]: 2 limits, 16 violations of any kind.
  • Silver, total [as Ag]: 2 limits, 16 violations of any kind.
  • Organics, total toxic [TTO]: 1 limit, 14 violations of any kind.
  • June 16, 2026: Evaluation (IU) (S).

ADAMS THERMAL SYSTEMS, INC. among its neighbors

Its county: 26, 0 major; SDPG00007 is minor permit.

Other permits in the county

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit SDPG00007, held by Adams Thermal Systems, Inc. in Canton, SD, which discharges to the Canton POTW and is listed as administratively continued after its June 30, 2020 expiration. The page lists 15 pollutants on file, 3 of which are under a numeric limit, and 3 pollutants with an effluent exceedance.