Clean Water Act discharge permit · NPDES NE0000663
MARTIN MARIETTA MATERIALS, LLC - FORT CALHOUN QUARRY EAST, Fort Calhoun, NE: NPDES NE0000663 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
MARTIN MARIETTA MATERIALS, LLC - FORT CALHOUN QUARRY EAST, held by Martin Marietta Materials, LLC - Fort Calhoun Quarry East, holds NPDES permit NE0000663, which discharges to Missouri River. EPA’s file records it issued March 6, 2014 and expiring March 31, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MARTIN MARIETTA MATERIALS, LLC - FORT CALHOUN QUARRY EAST |
|---|---|
| Permittee as filed | Martin Marietta Materials, LLC - Fort Calhoun Quarry East |
| NPDES ID | NE0000663 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 6, 2014 |
| Expiration date | March 31, 2019 |
| Address | Fort Calhoun, NE 68023 |
| Receiving water | MISSOURI RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Moores Creek-Missouri River (HUC 102300060502) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 9With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 33 | 4 | September 30, 2017 | 116% over the limit |
| pH | 4 | 24 | 2 | December 31, 2005 | |
| Flow, in conduit or thru treatment plant | 4 | 22 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 4 | 0 | ||
| Carbon, tot organic [TOC] | 4 | 4 | 0 | ||
| Chemical Oxygen Demand [COD] | 4 | 4 | 0 | ||
| Dieldrin | 2 | 2 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 2 | 2 | 0 |
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 NE0000663.
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
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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 NE0000663 there.
Nearby on the register
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- Every permit record in Nebraska, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.