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Clean Water Act discharge permit · NPDES SDG589808

ENEMY SWIM WWTF, Enemy Swim District, SD: NPDES SDG589808 discharge permit, effluent exceedances, inspections, penalties

ENEMY SWIM WWTF, held by Enemy Swim Lagoon, holds NPDES permit SDG589808. EPA’s file records it issued February 8, 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.

What the register holds for ENEMY SWIM WWTF: its NPDES ID, its permit type and status, its dates, its address in Enemy Swim District, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDG589808.

Identity

Facility as filedENEMY SWIM WWTF
Permittee as filedEnemy Swim Lagoon
NPDES IDSDG589808
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
IssuedFebruary 8, 2016
Expiration dateDecember 31, 2020
AddressEnemy Swim District, SD 57273
SubwatershedSpring Lake (HUC 101702010202)
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

EPA’s limits and effluent violation files hold no pollutant row for NPDES SDG589808.

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 SDG589808.

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, SDG589808.

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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 SDG589808 there.

Nearby on the register

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

What this page shows

The ENEMY SWIM WWTF permit, held by Enemy Swim Lagoon in Enemy Swim District, Day County, South Dakota, is one of 2 NPDES permits in the Spring Lake subwatershed (HUC 101702010202), this one included. Among the 6 POTW permits in Day County, this one included, 33.3% were issued earlier than this permit, and the permit records no pollutants under a numeric limit and no effluent exceedances (both 0).