Clean Water Act discharge permit · NPDES SD0020389

WARNER, TOWN OF, Warner, SD: NPDES SD0020389 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
4Pollutants with an effluent exceedance

WARNER, TOWN OF, held by Warner, Town of, holds NPDES permit SD0020389, which discharges to Moccasin Creek. EPA’s file records it issued January 7, 2002 and expiring March 31, 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 filed	WARNER, TOWN OF
Permittee as filed	Warner, Town of
NPDES ID	SD0020389
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	January 7, 2002
Expiration date	March 31, 2007
Issuing agency	SDDANR
Address	Warner, SD 57479
Receiving water	MOCCASIN CREEK
Receiving water impaired	303(D) Listed
Subwatershed	Town of Warner-Moccasin Creek (HUC 101600032004)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

11Pollutants on file
11Under a numeric limit
11With a violation of any kind
4With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Nitrogen, ammonia total [as N]	8	98	20	June 30, 2022	701% over the limit
pH	2	83	5	September 30, 2023
BOD, 5-day, 20 deg. C	2	80	2	April 30, 2011	45% over the limit
Solids, total suspended	2	80	2	April 30, 2020	44% over the limit
Chlorine, total residual	2	80	0
Flow rate	2	76	0
Temperature, water deg. centigrade	2	52	0
Coliform, fecal general	2	43	0
Duration of discharge	1	41	0
Flow, in conduit or thru treatment plant	2	38	0
Flow	1	6	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES SD0020389.

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 SD0020389 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES SD0020389, held by WARNER, TOWN OF (Warner, Town of), which discharges to Moccasin Creek in the Town of Warner-Moccasin Creek subwatershed (HUC 101600032004). The permit is listed as administratively continued and a Minor discharger class, with 11 pollutants on file, 11 under a numeric limit, and 4 pollutants with an effluent exceedance. EPA's file records issuance on January 7, 2002 and expiration on March 31, 2007, as the file stood when loaded on September 15, 2026.