Clean Water Act discharge permit · NPDES ING490061
MARTIN MARIETTA MATERIALS BELMONT SAND PLANT, Indianapolis, IN: NPDES ING490061 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MARTIN MARIETTA MATERIALS BELMONT SAND PLANT, held by Martin Marietta Materials Belmont Sand Plant, holds NPDES permit ING490061, which discharges to White River. EPA’s file records it issued December 31, 2020 and expiring September 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MARTIN MARIETTA MATERIALS BELMONT SAND PLANT |
|---|---|
| Permittee as filed | Martin Marietta Materials Belmont Sand Plant |
| NPDES ID | ING490061 |
| 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 | December 31, 2020 |
| Expiration date | September 30, 2025 |
| Issuing agency | IDEM |
| Address | Indianapolis, IN 46217 |
| Receiving water | White River |
| Receiving water impaired | 303(D) Listed |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 3With 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 | 1 | 0 | ||
| Solids, total suspended | 2 | 1 | 0 | ||
| Duration of discharge | 2 | 0 | 0 | ||
| Flow, total | 2 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ING490061.
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 ING490061.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 ING490061 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.