Clean Water Act discharge permit · NPDES INRM01490
NEW NGC, INCORPORATED D.B.A. NATIONAL GYPSUM COMPANY, Rensselaer, IN: NPDES INRM01490 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NEW NGC, INCORPORATED D.B.A. NATIONAL GYPSUM COMPANY, held by New NGC, Incorporated d.b.a. National Gypsum Company, holds NPDES permit INRM01490, which discharges to Iroquois River. EPA’s file records it issued November 19, 2018 and expiring March 11, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for NEW NGC, INCORPORATED D.B.A. NATIONAL GYPSUM COMPANY: its NPDES ID, its permit type and status, its dates, its address in Rensselaer, Indiana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRM01490.
Identity
| Facility as filed | NEW NGC, INCORPORATED D.B.A. NATIONAL GYPSUM COMPANY |
|---|---|
| Permittee as filed | New NGC, Incorporated d.b.a. National Gypsum Company |
| NPDES ID | INRM01490 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | November 19, 2018 |
| Expiration date | March 11, 2024 |
| Issuing agency | IDEM |
| Address | Rensselaer, IN 47978 |
| Receiving water | Iroquois River |
| Subwatershed | Moore Ditch-Iroquois River (HUC 071200020305) |
| NAICS | 327420 – Gypsum Product Manufacturing |
| SIC | 3275 – Gypsum Products |
| Other EPA IDs (FRS) | ICIS-AIR source IN0000001807300033 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES INRM01490.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES INRM01490.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, INRM01490.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 INRM01490 there.
Nearby on the register
- Discharge permits in Rensselaer
- Every permit record in Rensselaer, A to Z
- Discharge permits in Indiana
- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.