Clean Water Act discharge permit · NPDES NE0138185

MARTIN MARIETTA MATERIALS, INC - FORT CALHOUN WEST QUARRY, Fort Calhoun, NE: NPDES NE0138185 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

MARTIN MARIETTA MATERIALS, INC - FORT CALHOUN WEST QUARRY, held by Martin Marietta Materials, Inc - Fort Calhoun West Quarry, holds NPDES permit NE0138185, which discharges to Missouri River Via Unnamed Tributaries. EPA’s file records it issued March 6, 2014 and expiring March 31, 2019.

MARTIN MARIETTA MATERIALS, INC - FORT CALHOUN WEST QUARRY, Fort Calhoun, Nebraska: Individual permit NE0138185, held by Martin Marietta Materials, Inc - Fort Calhoun West Quarry; Administratively continued (past its expiration date and still in force until reissued); issued March 6, 2014, term to March 31, 2019; discharges to MISSOURI RIVER VIA UNNAMED TRIBUTARIES.

pH: 2 limits, 8 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 2 limits, 8 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 8 violations of any kind, 0 effluent exceedances.
BOD, 5-day, 20 deg. C: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Carbon, tot organic [TOC]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Chemical Oxygen Demand [COD]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Dieldrin: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Polychlorinated biphenyls [PCBs]: 1 limit, 1 violation of any kind, 0 effluent exceedances.

MARTIN MARIETTA MATERIALS, INC - FORT CALHOUN WEST QUARRY among its neighbors

EPA’s permit file holds 6 discharge permits in the Moores Creek-Missouri River subwatershed (HUC 102300060502), NE0138185 among them. Its county holds 16, 2 of them major permits; NE0138185 is a minor permit.

Other permits in the Moores Creek-Missouri River subwatershed (HUC 102300060502)

CARGILL LACTIC ACID, Blair: NE0133086, minor permit, discharging to MISSOURI RIVER, permit term to September 30, 2023
EVONIK CORPORATION, Blair: NE0132594, minor permit, discharging to MISSOURI RIVER, permit term to June 30, 2023
MARTIN MARIETTA MATERIALS, LLC - FORT CALHOUN QUARRY EAST, Fort Calhoun: NE0000663, minor permit, discharging to MISSOURI RIVER, permit term to March 31, 2019
NOVOZYMES BLAIR, INC., Blair: NE0138754, minor permit, permit term to March 31, 2022
OPPD FORT CALHOUN STATION, Fort Calhoun: NE0000418, major permit, discharging to MISSOURI RIVER, permit term to December 31, 2020

Identity

Facility as filed	MARTIN MARIETTA MATERIALS, INC - FORT CALHOUN WEST QUARRY
Permittee as filed	Martin Marietta Materials, Inc - Fort Calhoun West Quarry
NPDES ID	NE0138185
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 VIA UNNAMED TRIBUTARIES
Subwatershed	Moores Creek-Missouri River (HUC 102300060502)
SIC	1422 – Crushed And Broken Limestone

Effluent limits and exceedances

9Pollutants on file
9Under a numeric limit
9With 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
pH	2	8
Solids, total suspended	2	8
Flow, in conduit or thru treatment plant	2	8
BOD, 5-day, 20 deg. C	2	2
Nitrogen, ammonia total [as N]	2	2
Carbon, tot organic [TOC]	2	2
Chemical Oxygen Demand [COD]	2	2
Dieldrin	1	1
Polychlorinated biphenyls [PCBs]	1	1

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES NE0138185.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES NE0138185.

Inspections

EPA’s inspection file holds no inspection for NPDES NE0138185.

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 NE0138185.

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Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES NE0138185, held by Martin Marietta Materials, Inc - Fort Calhoun West Quarry in Fort Calhoun, NE, which discharges to the Missouri River via unnamed tributaries. The permit is listed as administratively continued, an individual permit for a minor discharger, issued March 6, 2014 with an expiration date of March 31, 2019. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.