Clean Water Act discharge permit · NPDES SD0021636

WHITE, CITY OF, White, SD: NPDES SD0021636 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
12Pollutants under a numeric limit
5Pollutants with an effluent exceedance

WHITE, CITY OF, held by White, City of, holds NPDES permit SD0021636, which discharges to Unnamed Tributary Of Six Mile Creek. EPA’s file records it issued September 19, 2019 and expiring September 30, 2024. 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 filed	WHITE, CITY OF
Permittee as filed	White, City of
NPDES ID	SD0021636
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	September 19, 2019
Expiration date	September 30, 2024
Issuing agency	SDDANR
Address	White, SD 57276
Receiving water	Unnamed Tributary of Six Mile Creek
Subwatershed	Lower Sixmile Creek (HUC 101702020602)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – 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

15Pollutants on file
12Under a numeric limit
15With a violation of any kind
5With 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
Solids, total suspended	2	29	11	April 30, 2026	96% over the limit
Nitrogen, ammonia total [as N]	4	24	6	April 30, 2023	162% over the limit
BOD, 5-day, 20 deg. C	2	20	2	May 31, 2008	82% over the limit
Coliform, fecal general	0	6	2	May 31, 2012	500% over the limit
pH	2	19	1	May 31, 1995
Temperature, water deg. centigrade	2	20	0
Flow rate	2	18	0
E. coli, colony forming units [CFU]	2	6	0
Phosphorus, total [as P]	1	6	0
Duration of discharge	1	6	0
Nitrogen, total [as N]	1	5	0
Chlorine, total residual	0	4	0
Flow, total	1	2	0
Flowing, Receiving Stream	1	2	0
Flow	0	1	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 SD0021636.

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 SD0021636 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit SD0021636, held by White, City of in White, SD, which discharges to Unnamed Tributary of Six Mile Creek in the Lower Sixmile Creek subwatershed (HUC 101702020602). The permit is administratively continued, with a minor discharger class, 12 pollutants under a numeric limit, and 5 pollutants with an effluent exceedance.