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Clean Water Act discharge permit · NPDES SD0020818

MURDO, CITY OF, Murdo, City Of, SD: NPDES SD0020818 discharge permit, effluent exceedances, inspections, penalties

MURDO, CITY OF, held by MURDO - CITY OF, holds NPDES permit SD0020818, which discharges to Unnamed Tributary Of Hay Creek. EPA’s file records it issued September 30, 2002 and expiring September 30, 2007. 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 filedMURDO, CITY OF
Permittee as filedMURDO - CITY OF
NPDES IDSD0020818
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
IssuedSeptember 30, 2002
Expiration dateSeptember 30, 2007
AddressMurdo, City Of, SD 57559
Receiving waterUNNAMED TRIBUTARY OF HAY CREEK
SubwatershedHay Creek (HUC 101402040102)

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
pH0293December 31, 1999
BOD, 5-day, 20 deg. C0271March 31, 199917% over the limit
Temperature, water deg. centigrade0260
Flow rate0260
Solids, total suspended0260
Flow, total0130
Duration of discharge0130

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 SD0020818.

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, SD0020818.

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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 SD0020818 there.

Nearby on the register

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