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Clean Water Act discharge permit · NPDES SDG921776

LETCHER, TOWN OF, Letcher, SD: NPDES SDG921776 discharge permit, effluent exceedances, inspections, penalties

LETCHER, TOWN OF, held by Letcher, Town of, holds NPDES permit SDG921776, which discharges to Discharge To Unnamed Wetland. EPA’s file records it issued January 5, 2016 and expiring December 31, 2020. 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 filedLETCHER, TOWN OF
Permittee as filedLetcher, Town of
NPDES IDSDG921776
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJanuary 5, 2016
Expiration dateDecember 31, 2020
Issuing agencySDDENR
AddressLetcher, SD 57359
Receiving waterDischarge to unnamed wetland
SubwatershedRuskin Park-James River (HUC 101600110301)
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
pH211April 30, 2016
Temperature, water deg. centigrade200
Flow rate200
BOD, 5-day, 20 deg. C200
Solids, total suspended200
Nitrogen, ammonia total [as N]200
Flow, total100
Duration of discharge100

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 SDG921776.

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 SDG921776 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 the NPDES discharge permit SDG921776 held by Letcher, Town of, a publicly owned treatment works in Letcher, SD, which discharges to an unnamed wetland within the Ruskin Park-James River subwatershed (HUC 101600110301). The page lists a permit status of administratively continued, a minor discharger class, 1 pollutant under a numeric limit, and 1 pollutant with an effluent exceedance.