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Clean Water Act discharge permit · NPDES INP000289

GROUP DEKKO INC, Garrett, IN: NPDES INP000289 discharge permit, effluent exceedances, inspections, penalties

GROUP DEKKO INC, held by GROUP DEKKO, INC, holds NPDES permit INP000289, which discharges to Garrett Potw, Cedar Cr. EPA’s file records it issued September 5, 2019 and expiring December 31, 2024.

GROUP DEKKO INC, Garrett, Indiana: Individual industrial user permit INP000289, held by GROUP DEKKO, INC; Administratively continued (past its expiration date and still in force until reissued); issued September 5, 2019, term to December 31, 2024, by IDEM; discharges to GARRETT POTW, CEDAR CR.

  • pH: 2 limits, 14 violations of any kind, 10 effluent exceedances, latest September 30, 2019.
  • Copper, total recoverable: 2 limits, 6 violations of any kind, 2 effluent exceedances, latest October 31, 2020, largest 44% over the limit.
  • Zinc, total recoverable: 2 limits, 5 violations of any kind, 1 effluent exceedance, latest July 31, 2012, largest 14% over the limit.
  • Cyanide, total [as CN]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Nickel, total recoverable: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Silver total recoverable: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Cadmium, total recoverable: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Lead, total recoverable: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Chromium, total recoverable: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Organics, total toxic [TTO]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
  • January 12, 2026: Evaluation (IU) (S).

GROUP DEKKO INC among its neighbors

Its county holds 78, 3 of them major permits; INP000289 is a minor permit.

Other permits in the county

Identity

Facility as filedGROUP DEKKO INC
Permittee as filedGROUP DEKKO, INC
NPDES IDINP000289
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
IssuedSeptember 5, 2019
Expiration dateDecember 31, 2024
Issuing agencyIDEM
AddressGarrett, IN 46738
Receiving waterGARRETT POTW, CEDAR CR
SIC3648 – Lighting Equipment

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
pH21410September 30, 2019
Copper, total recoverable262October 31, 202044% over the limit
Zinc, total recoverable251July 31, 201214% over the limit
Cyanide, total [as CN]240
Nickel, total recoverable240
Silver total recoverable240
Cadmium, total recoverable240
Lead, total recoverable240
Chromium, total recoverable240
Flow, in conduit or thru treatment plant240
Organics, total toxic [TTO]130

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES INP000289.

Inspections

DateWhat EPA recordedAgency
January 12, 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 INP000289.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit INP000289, held by GROUP DEKKO INC in Garrett, IN, which discharges to Garrett Potw, Cedar Cr, with a status of administratively continued and a minor discharger class. The file lists 11 pollutants on record, 11 under a numeric limit, and 3 with an effluent exceedance.