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Clean Water Act discharge permit · NPDES NV0024232

LAS VEGAS CONVENTION AND VISITORS AUTHORITY REMEDIATION SYSTEM, Las Vegas, NV: NPDES NV0024232 discharge permit, effluent exceedances, inspections, penalties

LAS VEGAS CONVENTION AND VISITORS AUTHORITY REMEDIATION SYSTEM, held by ATLAS TECHNICAL, holds NPDES permit NV0024232. EPA’s file records it issued April 20, 2020 and expiring April 30, 2025. 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 filedLAS VEGAS CONVENTION AND VISITORS AUTHORITY REMEDIATION SYSTEM
Permittee as filedATLAS TECHNICAL
NPDES IDNV0024232
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
IssuedApril 20, 2020
Expiration dateApril 30, 2025
Issuing agencyNDEP
AddressLas Vegas, NV 89109
SubwatershedCity of Las Vegas-Las Vegas Wash (HUC 150100150604)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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; the 60 with the most exceedances of 145 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Boron, total [as B]122616December 31, 2025780% over the limit
Selenium, total recoverable466December 31, 2024200% over the limit
Nitrogen, inorganic total9192August 31, 202225% over the limit
pH, maximum11162December 31, 2025
Tetrachloroethylene14122December 31, 202216% over the limit
Flow rate36491July 31, 20214% over the limit
pH, minimum12151June 30, 2022
Solids, total dissolved12200
Nitrogen, nitrite total [as N]12160
Nitrogen, nitrate total [as N]10160
Trichloroethylene17140
Trihalomethane, tot.12140
Nitrogen, ammonia total [as N]8120
Phosphorus, total [as P]6120
Trichlorofluoromethane280
Boron, total recoverable040
Toluene320
Iron, total recoverable020
Copper, dissolved [as Cu]020
Selenium, dissolved [as Se]020
Cyanide, total [as CN]400
Arsenic, total recoverable400
Thallium, total recoverable400
Beryllium, total recoverable [as Be]400
Silver total recoverable400
Cadmium, total recoverable400
Chromium, total recoverable400
Antimony, total recoverable400
2-Methyl-4,6-dinitrophenol400
Dichlorobromomethane400
1,2-Dichloroethane400
Dibromochloromethane400
Chloroform400
Benzene400
.delta.-BHC400
Acenaphthylene400
Acenaphthene400
Acrolein400
Anthracene400
Benzo[k]fluoranthene400
Benzo[a]pyrene400
Bis[2-chloroethyl] ether400
Bis[2-chloroethoxy]methane400
Bis[2-chloroisopropyl] ether400
Butyl benzyl phthalate400
Chrysene400
Diethyl phthalate400
1,2-Diphenylhydrazine400
Endosulfan sulfate400
.beta.-Endosulfan400
.alpha.-Endosulfan400
Endrin aldehyde400
Fluorene400
Hexachlorocyclopentadiene400
Hexachlorobutadiene400
Hexachloroethane400
Methyl bromide [Bromomethane]400
Methyl chloride [Chloromethane]400
Methylene chloride400
N-Nitrosodiphenylamine400

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES NV0024232.

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 NV0024232 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers NPDES permit NV0024232 for the Las Vegas Convention and Visitors Authority Remediation System in Las Vegas, NV, held by ATLAS TECHNICAL and listed as administratively continued with a minor discharger class. The page lists 145 pollutants on file, 141 of them under a numeric limit, with 7 pollutants showing an effluent exceedance and 20 limits in total.