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Clean Water Act discharge permit · NPDES SD0021601

CITY OF MARTIN, Martin, SD: NPDES SD0021601 discharge permit, effluent exceedances, inspections, penalties

CITY OF MARTIN, held by MARTIN- CITY OF___________(E), holds NPDES permit SD0021601, which discharges to Unnamed Trib Little White Rv. EPA’s file records it issued January 4, 1991 and expiring December 31, 1995. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedCITY OF MARTIN
Permittee as filedMARTIN- CITY OF___________(E)
NPDES IDSD0021601
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJanuary 4, 1991
Expiration dateDecember 31, 1995
Issuing agencyU.S. EPA Region 8
AddressMartin, SD 57551
Receiving waterUNNAMED TRIB LITTLE WHITE RV
SubwatershedAllen Dam-Little White River (HUC 101402030203)

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.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Flow rate0700
BOD, 5-day, 20 deg. C0700
pH0700
Solids, total suspended0700
Flow, in conduit or thru treatment plant0660
Duration of discharge0350

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SD0021601.

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 SD0021601.

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, SD0021601.

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  • One state — $4,990/year
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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 SD0021601 there.

Nearby on the register

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