Velarion Records

Clean Water Act discharge permit · NPDES SDP000080

KOYKER MANUFACTURING COMPANY, Lennox, SD: NPDES SDP000080 discharge permit, effluent exceedances, inspections, penalties

KOYKER MANUFACTURING COMPANY holds NPDES permit SDP000080, which discharges to Lennox Sanitary Sewer. EPA’s file records it issued September 29, 2000 and expiring September 30, 2005. 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 filedKOYKER MANUFACTURING COMPANY
Permittee as filedKOYKER MANUFACTURING COMPANY
NPDES IDSDP000080
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 29, 2000
Expiration dateSeptember 30, 2005
AddressLennox, SD 57039
Receiving waterLENNOX SANITARY SEWER
Other EPA IDs (FRS)RCRA handler SDD094684842; ICIS-AIR source SD0000004608300001

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
Zinc, total [as Zn]064June 30, 2006111% over the limit
pH042June 30, 2005
Lead, total [as Pb]042June 30, 2006133% over the limit
Cyanide, total [as CN]020
Cadmium, total [as Cd]020
Chromium, total [as Cr]020
Copper, total [as Cu]020
Nickel, total [as Ni]020
Silver, total [as Ag]020
Flow020
Flow, process wastewater020
Total toxic organics [TTO] [40 CFR433]010

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 SDP000080.

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, SDP000080.

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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 SDP000080 there.

Nearby on the register

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

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