Velarion Records

Clean Water Act discharge permit · NPDES MSP092441

NITROUS OXIDE CORPORATION, Yazoo City, MS: NPDES MSP092441 discharge permit, effluent exceedances, inspections, penalties

NITROUS OXIDE CORPORATION holds NPDES permit MSP092441, which discharges to Yazoo City Potw Ms0020389. EPA’s file records it issued September 17, 2024 and expiring August 31, 2029. 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.

What the register holds for NITROUS OXIDE CORPORATION: its NPDES ID, its permit type and status, its dates, its address in Yazoo City, Mississippi, its receiving water, and 8 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MSP092441.

Identity

Facility as filedNITROUS OXIDE CORPORATION
Permittee as filedNITROUS OXIDE CORPORATION
NPDES IDMSP092441
Permit statusEffective
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 17, 2024
Expiration dateAugust 31, 2029
Issuing agencyMDEQ
AddressYazoo City, MS 39194
Receiving waterYazoo City POTW MS0020389
Other EPA IDs (FRS)RCRA handler MSR000107920

Cited to the EPA ICIS-NPDES permit file (ECHO 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
Nitrogen, total [as N]400
Nitrogen, ammonia total [as N]400
Nitrogen, Kjeldahl, total [as N]400
Nitrite + Nitrate total [as N]400
Phosphorus, total [as P]400
Oil and grease400
pH200
Flow, in conduit or thru treatment plant200

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MSP092441.

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 MSP092441.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MSP092441.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 MSP092441 there.

Nearby on the register

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

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