Clean Water Act discharge permit · NPDES ING490155
US AGGREGATES INCORPORATED THORNTOWN SAND & GRAVEL, Thorntown, IN: NPDES ING490155 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
US AGGREGATES INCORPORATED THORNTOWN SAND & GRAVEL, held by US Aggregates Incorporated Thorntown Sand & Gravel, holds NPDES permit ING490155. EPA’s file records it issued July 30, 2021 and expiring September 30, 2025. 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.
Identity
| Facility as filed | US AGGREGATES INCORPORATED THORNTOWN SAND & GRAVEL |
|---|---|
| Permittee as filed | US Aggregates Incorporated Thorntown Sand & Gravel |
| NPDES ID | ING490155 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 30, 2021 |
| Expiration date | September 30, 2025 |
| Issuing agency | IDEM |
| Address | Thorntown, IN 46071 |
| Subwatershed | Goldsberry Creek-Sugar Creek (HUC 051201100404) |
| NAICS | 212312 – Crushed and Broken Limestone Mining and Quarrying |
| SIC | 1422 – Crushed And Broken Limestone |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 0With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 4 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 2 | 0 | ||
| Solids, total suspended | 2 | 1 | 0 | ||
| Duration of discharge | 2 | 1 | 0 | ||
| Flow, total | 2 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ING490155.
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 ING490155.
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.
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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 ING490155 there.
Nearby on the register
- Discharge permits in Thorntown
- Every permit record in Thorntown, 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.