Clean Water Act discharge permit · NPDES SD0022497

CANISTOTA, CITY OF, Canistota, City Of, SD: NPDES SD0022497 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
5Pollutants with an effluent exceedance

CANISTOTA, CITY OF, held by Canistota, City of, holds NPDES permit SD0022497, which discharges to Unnamed Trib Of The W Fork Vermilli. EPA’s file records it issued July 1, 2019 and expiring June 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	CANISTOTA, CITY OF
Permittee as filed	Canistota, City of
NPDES ID	SD0022497
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	July 1, 2019
Expiration date	June 30, 2024
Issuing agency	SDDANR
Address	Canistota, City Of, SD 57012
Receiving water	Unnamed Trib of the W Fork Vermilli
Subwatershed	City of Canistota-West Fork Vermillion River (HUC 101701020601)
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
10Under a numeric limit
14With 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
Nitrogen, ammonia total [as N]	20	183	19	April 30, 2026	481% over the limit
BOD, 5-day, 20 deg. C	2	172	4	March 31, 2019	50% over the limit
pH	2	168	4	November 30, 2011
Solids, total suspended	2	170	2	April 30, 2005	33% over the limit
Coliform, fecal general	0	67	1	July 31, 2004	170% over the limit
Flow rate	2	164	0
Temperature, water deg. centigrade	2	163	0
Chlorine, total residual	0	45	0
Flow, total	1	40	0
Duration of discharge	1	40	0
Flowing, Receiving Stream	1	15	0
E. coli, colony forming units [CFU]	2	9	0
Flow, total	0	6	0
Duration	0	3	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 SD0022497.

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 SD0022497 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES SD0022497, held by CANISTOTA, CITY OF, which discharges to Unnamed Trib Of The W Fork Vermilli and falls within the City of Canistota-West Fork Vermillion River (HUC 101701020601) subwatershed. The page lists a permit status of Administratively continued, a Minor Discharger class of 10, and 5 pollutants under a numeric limit, with 5 pollutants showing an effluent exceedance.