Velarion Records

Clean Water Act discharge permit · NPDES MOR203173

KNAPPCO CORPORATION, Riverside, MO: NPDES MOR203173 discharge permit, effluent exceedances, inspections, penalties

KNAPPCO CORPORATION, held by Knappco Corporation, holds NPDES permit MOR203173, which discharges to 8-20-13 Mudd V1.0. EPA’s file records it issued October 29, 2014 and expiring August 31, 2019. 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.

What the register holds for KNAPPCO CORPORATION: its NPDES ID, its permit type and status, its dates, its address in Riverside, Missouri, its receiving water, and 7 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MOR203173.

Identity

Facility as filedKNAPPCO CORPORATION
Permittee as filedKnappco Corporation
NPDES IDMOR203173
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedOctober 29, 2014
Expiration dateAugust 31, 2019
Issuing agencyMODNR-Water Protection Program
AddressRiverside, MO 64150
Receiving water8-20-13 MUDD V1.0
SubwatershedQuindaro Bend-Missouri River (HUC 102400110606)
SIC5093 – Scrap And Waste Materials
Other EPA IDs (FRS)RCRA handler MOD102497906

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
pH200
Solids, total suspended200
Oil and grease [soxhlet extr.] tot.200
Iron, total recoverable200
Zinc, total recoverable200
Aluminum, total recoverable200
Copper, total recoverable200

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOR203173.

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 MOR203173.

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, MOR203173.

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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 MOR203173 there.

Nearby on the register

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

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