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Clean Water Act discharge permit · NPDES INRM00040

MULZER CRUSHED STONE INC NEW AMSTERDAM QUARRY, Mauckport, IN: NPDES INRM00040 discharge permit, effluent exceedances, inspections, penalties

MULZER CRUSHED STONE INC NEW AMSTERDAM QUARRY, held by Mulzer Crushed Stone Inc New Amsterdam Quarry, holds NPDES permit INRM00040, which discharges to Ohio River. EPA’s file records it issued January 17, 2020 and expiring November 3, 2025.

MULZER CRUSHED STONE INC NEW AMSTERDAM QUARRY, Mauckport, Indiana: Individual permit INRM00040, held by Mulzer Crushed Stone Inc New Amsterdam Quarry; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued January 17, 2020, term to November 3, 2025, by IDEM; discharges to Ohio River; Support Activities for Nonmetallic Minerals [except Fuels] Mining.

  • pH: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Solids, total suspended: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Oil and grease, hexane extr method: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nitrogen, Kjeldahl, total [as N]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nitrite + Nitrate total [as N]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • BOD, carbonaceous [5 day, 20 C]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Chemical Oxygen Demand [COD]: 4 limits, 0 violations of any kind, 0 effluent exceedances.

Indiana holds 1,027 Industrial stormwater coverages of this permit type in EPA’s file; 610 were issued before INRM00040.

Coverages issued nearest INRM00040

MULZER CRUSHED STONE INC NEW AMSTERDAM QUARRY among its neighbors

EPA’s permit file holds 2 discharge permits in the French Creek-Ohio River subwatershed (HUC 051401041002), INRM00040 among them. Its county holds 43, 2 of them major permits; INRM00040 is a minor permit.

Other permits in the French Creek-Ohio River subwatershed (HUC 051401041002)

What the register holds for MULZER CRUSHED STONE INC NEW AMSTERDAM QUARRY: its NPDES ID, its permit type and status, its dates, its address in Mauckport, Indiana, its receiving water, and 8 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRM00040.

Identity

Facility as filedMULZER CRUSHED STONE INC NEW AMSTERDAM QUARRY
Permittee as filedMulzer Crushed Stone Inc New Amsterdam Quarry
NPDES IDINRM00040
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedJanuary 17, 2020
Expiration dateNovember 3, 2025
Issuing agencyIDEM
AddressMauckport, IN 47142
Receiving waterOhio River
SubwatershedFrench Creek-Ohio River (HUC 051401041002)
NAICS213115 – Support Activities for Nonmetallic Minerals [except Fuels] Mining
SIC1481 – Nonmetallic Minerals Services

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
pH400
Solids, total suspended400
Oil and grease, hexane extr method400
Nitrogen, Kjeldahl, total [as N]400
Nitrite + Nitrate total [as N]400
Phosphorus, total [as P]400
BOD, carbonaceous [5 day, 20 C]400
Chemical Oxygen Demand [COD]400

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES INRM00040.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES INRM00040.

Inspections

EPA’s inspection file holds no inspection for NPDES INRM00040.

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 INRM00040.

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Nearby on the register

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

What this page shows

This page covers NPDES permit INRM00040, held by MULZER CRUSHED STONE INC NEW AMSTERDAM QUARRY in Mauckport, Indiana, which discharges to Ohio River and is classed as a Minor Discharger. The register lists 8 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit shown as administratively continued.