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Clean Water Act discharge permit · NPDES NE0124052

CORESLAB STRUCTURES (OMAHA), INC, La Platte, NE: NPDES NE0124052 discharge permit, effluent exceedances, inspections, penalties

CORESLAB STRUCTURES (OMAHA), INC, held by CORESLAB STRUCTURES INC(OMAHA), holds NPDES permit NE0124052. EPA’s file records it issued December 30, 2010 and expiring December 31, 2015. 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 filedCORESLAB STRUCTURES (OMAHA), INC
Permittee as filedCORESLAB STRUCTURES INC(OMAHA)
NPDES IDNE0124052
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 30, 2010
Expiration dateDecember 31, 2015
AddressLa Platte, NE 68123
SubwatershedFolsom Lake-Missouri River (HUC 102300060603)
SIC3272 – Concrete Products
Other EPA IDs (FRS)ICIS-AIR source NE0000003115300047

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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total dissolved [TDS]8204141June 30, 202613,725% over the limit
Manganese, total [as Mn]811057June 30, 202627,900% over the limit
Iron, total [as Fe]87926June 30, 20264,300% over the limit
Chloride [as Cl]2235March 31, 20171,150% over the limit
pH101294December 31, 2022
Flow, in conduit or thru treatment plant101280
Solids, total suspended2200
Temperature, water deg. fahrenheit060
Hydrocarbons, total gas chromatograph050
Sulfate, dissolved [as SO4]020

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

DateWhat EPA recordedAgency
November 5, 2025Failure to comply with monitoring requirements related to industrial stormwater [40 CFR 122.41(j)]ST6

Inspections

EPA’s inspection file holds no inspection for NPDES NE0124052.

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 NE0124052.

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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Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES NE0124052 for CORESLAB STRUCTURES (OMAHA), INC in La Platte, NE, which is administratively continued and classed as a minor discharger. The register lists 5 pollutants under a numeric limit and 5 pollutants with an effluent exceedance, with the permit issued December 30, 2010 and expiring December 31, 2015.