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NPDES CTR050004 · Clean Water Act

SPARTECH, LLC, Stamford, CT: NPDES CTR050004 discharge permit, effluent exceedances, inspections, penalties

SPARTECH, LLC, Stamford, Connecticut: General permit coverage CTR050004, held by Spartech, LLC; Industrial stormwater; Effective; issued June 15, 2026, term to September 30, 2030, by CT DEEP.

No violation or effluent exceedance is on file for any of the 15 pollutants listed for NPDES CTR050004.

  • pH: 2 limits.
  • Conductivity: 1 limit.
  • Solids, total suspended: 1 limit.
  • Oil & Grease: 1 limit.
  • Nitrogen, Kjeldahl, total [as N]: 1 limit.
  • Phosphorous, total recoverable: 1 limit.
  • Hardness, total [as CaCO3]: 1 limit.
  • Zinc, total recoverable: 1 limit.
  • Lead, total recoverable: 1 limit.
  • Copper, total recoverable: 1 limit.
  • Nitrogen, nitrate total [as NO3]: 1 limit.
  • Chemical Oxygen Demand [COD]: 1 limit.
  • LC50 Static 48Hr Acute D. Pulex: 1 limit.
  • NOAEL Static 48Hr Acute D. pulex: 1 limit.
  • %Surv Static 48Hr Acute Daphnia Pulex: 1 limit.

Connecticut holds 228 Industrial stormwater coverages of this permit type in EPA’s file; 29 were issued before CTR050004.

Coverages issued nearest CTR050004

SPARTECH, LLC among its neighbors

6 discharge permits are in the Rippowam River subwatershed (HUC 011000060401); CTR050004 is one. Its county: 147, 14 major; CTR050004 is minor permit.

Other permits in the Rippowam River subwatershed (HUC 011000060401)

Identity

FacilitySPARTECH, LLC
PermitteeSpartech, LLC
NPDES IDCTR050004
StatusEffective
TypeGeneral permit coverage
ClassMinor
Facility typeNon-POTW
ProgramIndustrial stormwater
IssuedJune 15, 2026
ExpiresSeptember 30, 2030
AgencyCT DEEP
AddressStamford, CT 06902
Receiving water impaired303(D) Listed
SubwatershedRippowam River (HUC 011000060401)

NPDES CTR050004: effluent limits and exceedances

SPARTECH, LLC (NPDES CTR050004): 15 pollutants on file, 15 limited; 0 with a violation of any kind, 0 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
pH200
Conductivity100
Solids, total suspended100
Oil & Grease100
Nitrogen, Kjeldahl, total [as N]100
Phosphorous, total recoverable100
Hardness, total [as CaCO3]100
Zinc, total recoverable100
Lead, total recoverable100
Copper, total recoverable100
Nitrogen, nitrate total [as NO3]100
Chemical Oxygen Demand [COD]100
LC50 Static 48Hr Acute D. Pulex100
NOAEL Static 48Hr Acute D. pulex100
%Surv Static 48Hr Acute Daphnia Pulex100

NPDES CTR050004: inspections, violations and enforcement

NPDES CTR050004 (SPARTECH, LLC): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES CTR050004

NPDES CTR050004: 15 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.