Clean Water Act discharge permit · NPDES SD0020958

PLANKINTON, CITY OF, Plankinton, SD: NPDES SD0020958 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
3Pollutants with an effluent exceedance

PLANKINTON, CITY OF, held by Plankinton, City of, holds NPDES permit SD0020958, which discharges to Unnamed Trib To W. Firesteel Creek. EPA’s file records it issued September 25, 2013 and expiring September 30, 2018. 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	PLANKINTON, CITY OF
Permittee as filed	Plankinton, City of
NPDES ID	SD0020958
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 25, 2013
Expiration date	September 30, 2018
Issuing agency	SDDENR
Address	Plankinton, SD 57368
Receiving water	Unnamed trib to W. Firesteel Creek
Subwatershed	Crystal Lake (HUC 101600110704)
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

8Pollutants on file
7Under a numeric limit
8With a violation of any kind
3With 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
BOD, 5-day, 20 deg. C	2	35	16	March 31, 2019	280% over the limit
Solids, total suspended	2	20	2	September 30, 1999	9% over the limit
pH	2	17	1	April 30, 1999
Flow rate	2	14	0
Temperature, water deg. centigrade	2	8	0
Flow, total	1	5	0
Duration of discharge	1	5	0
Nitrogen, ammonia total [as N]	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 SD0020958.

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

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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 SD0020958 there.

Nearby on the register

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

This public-records page covers NPDES permit SD0020958 held by PLANKINTON, CITY OF (Plankinton, City of), a minor discharger publicly owned treatment works that discharges to Unnamed trib to W. Firesteel Creek in the Crystal Lake subwatershed (HUC 101600110704). The permit was issued September 25, 2013, with an expiration date of September 30, 2018, and its status is listed as administratively continued. The page lists 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance.