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NPDES INP000691 · Clean Water Act

NOBLE INDUSTRIES, INC., Noblesville, IN: NPDES INP000691 discharge permit, effluent exceedances, inspections, penalties

NOBLE INDUSTRIES, INC., Noblesville, Indiana: Individual industrial user permit INP000691; Administratively continued; issued November 8, 2018, term to November 30, 2023, by IDEM; discharges to NOBLESVILLE POTW; Metal Coating, Engraving [Except Jewelry and Silverware], and Allied Services To Manufacturers.

  • Zinc, total recoverable: 2 limits, 18 violations of any kind, 14 effluent exceedances, latest December 31, 2025, largest 265% over the limit.
  • pH: 2 limits, 5 violations of any kind, 1 effluent exceedance, latest January 31, 2020.
  • Phosphorus, total [as P]: 2 limits, 4 violations of any kind.
  • Chromium, total recoverable: 2 limits, 4 violations of any kind.
  • Copper, total recoverable: 2 limits, 4 violations of any kind.
  • Flow, in conduit or thru treatment plant: 2 limits, 4 violations of any kind.
  • Silver total recoverable: 2 limits, 3 violations of any kind.
  • Cyanide, total [as CN]: 2 limits, 2 violations of any kind.
  • Nickel, total recoverable: 2 limits, 2 violations of any kind.
  • Cadmium, total recoverable: 2 limits, 2 violations of any kind.
  • Lead, total recoverable: 2 limits, 2 violations of any kind.
  • Organics, total toxic [TTO]: 1 limit, 1 violation of any kind.
  • February 4, 2026: Reconnaissance without Sampling (S).

NOBLE INDUSTRIES, INC. among its neighbors

Its county: 116, 4 major; INP000691 is minor permit.

Other permits in the county

Identity

FacilityNOBLE INDUSTRIES, INC.
PermitteeNOBLE INDUSTRIES, INC.
NPDES IDINP000691
StatusAdministratively continued
TypeIndividual industrial user permit
ClassMinor
Facility typeNon-POTW
IssuedNovember 8, 2018
ExpiresNovember 30, 2023
AgencyIDEM
AddressNoblesville, IN 46061
Receiving waterNOBLESVILLE POTW
NAICS332812 – Metal Coating, Engraving [Except Jewelry and Silverware], and Allied Services To Manufacturers
SIC3479 – Metal Coating And Allied Services

NPDES INP000691: effluent limits and exceedances

NOBLE INDUSTRIES, INC. (NPDES INP000691): 12 pollutants on file, 12 limited; 12 with a violation of any kind, 2 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Zinc, total recoverable21814December 31, 2025265% over the limit
pH251January 31, 2020
Phosphorus, total [as P]240
Chromium, total recoverable240
Copper, total recoverable240
Flow, in conduit or thru treatment plant240
Silver total recoverable230
Cyanide, total [as CN]220
Nickel, total recoverable220
Cadmium, total recoverable220
Lead, total recoverable220
Organics, total toxic [TTO]110

NPDES INP000691: inspections, violations and enforcement

NPDES INP000691: 1 inspection

DateWhat EPA recordedAgency
February 4, 2026Reconnaissance without SamplingS

NPDES INP000691 (NOBLE INDUSTRIES, INC.): no single-event violation, formal enforcement action and informal enforcement action on file.

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Permits near NPDES INP000691

NPDES INP000691: 12 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.