Clean Water Act discharge permit · NPDES SD0022926

COLUMBIA, CITY OF, Columbia, SD: NPDES SD0022926 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
3Pollutants with an effluent exceedance

COLUMBIA, CITY OF, held by Columbia, City of, holds NPDES permit SD0022926, which discharges to James River. EPA’s file records it issued September 11, 2018 and expiring September 30, 2023. 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	COLUMBIA, CITY OF
Permittee as filed	Columbia, City of
NPDES ID	SD0022926
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 11, 2018
Expiration date	September 30, 2023
Issuing agency	SDDANR
Address	Columbia, SD 57433
Receiving water	JAMES RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Sand Lake (HUC 101600031411)
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

14Pollutants on file
9Under a numeric limit
14With 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
Solids, total suspended	2	284	10	April 30, 2020	2,050% over the limit
BOD, 5-day, 20 deg. C	2	277	3	April 30, 2020	33% over the limit
Nitrogen, ammonia total [as N]	10	276	2	April 30, 2020	44% over the limit
Temperature, water deg. centigrade	2	274	0
Flow rate	2	274	0
pH	2	274	0
Coliform, fecal general	0	112	0
Flow, total	1	101	0
Duration of discharge	1	101	0
E. coli, colony forming units [CFU]	2	36	0
Chlorine, total residual	0	36	0
Flow	0	36	0
Nitrogen, total [as N]	0	18	0
Phosphorus, total [as P]	0	18	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

4Single-event violations

Date	What EPA recorded	Agency
March 24, 2023	Permit Violations - Application Incomplete	ST6
June 3, 2022	Management Practice Violations - Failure to Maintain Records	ST6
April 30, 2020	Reporting Violations - Improper/ Incorrect Reporting	ST6
April 17, 2020	Monitoring Violations - Frequency of Sampling Violation	ST6

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, SD0022926.

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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 SD0022926 there.

Nearby on the register

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