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Clean Water Act discharge permit · NPDES SD0020346

WALL - CITY OF, Wall, Town Of, SD: NPDES SD0020346 discharge permit, effluent exceedances, inspections, penalties

WALL - CITY OF holds NPDES permit SD0020346, which discharges to Whitewater Creek. EPA’s file records it issued December 27, 2006 and expiring December 31, 2011. 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.

Identity

Facility as filedWALL - CITY OF
Permittee as filedWALL - CITY OF
NPDES IDSD0020346
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
IssuedDecember 27, 2006
Expiration dateDecember 31, 2011
Issuing agencySDDENR
AddressWall, Town Of, SD 57790
Receiving waterWHITEWATER CREEK
SubwatershedUpper Cottonwood Creek (HUC 101401020204)
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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
Temperature, water deg. centigrade2200
Flow rate2200
BOD, 5-day, 20 deg. C2200
pH2200
Solids, total suspended2200
Flow, total1100
Duration of discharge1100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SD0020346.

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 SD0020346.

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.

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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 SD0020346 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit SD0020346 held by WALL - CITY OF in Wall, SD, which discharges to Whitewater Creek within the Upper Cottonwood Creek subwatershed (HUC 101401020204). The permit is listed as administratively continued, with a permit class of 7 and 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.