Clean Water Act discharge permit · NPDES SD0023230

COLOME, CITY OF, Colome, SD: NPDES SD0023230 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
6Pollutants with an effluent exceedance

COLOME, CITY OF, held by Colome, City of, holds NPDES permit SD0023230, which discharges to Unnamed Trib Of Ponca Creek. EPA’s file records it issued April 1, 2019 and expiring March 31, 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	COLOME, CITY OF
Permittee as filed	Colome, City of
NPDES ID	SD0023230
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	April 1, 2019
Expiration date	March 31, 2024
Issuing agency	SDDANR
Address	Colome, SD 57528
Receiving water	UNNAMED TRIB OF PONCA CREEK
Subwatershed	Headwaters of Ponca Creek (HUC 101500010103)
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

13Pollutants on file
9Under a numeric limit
13With a violation of any kind
6With 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]	12	164	16	March 31, 2023	433% over the limit
E. coli, colony forming units [CFU]	2	29	11	September 30, 2020	20,443% over the limit
BOD, 5-day, 20 deg. C	2	157	10	March 31, 2023	170% over the limit
Solids, total suspended	2	150	5	September 30, 2020	47% over the limit
pH	2	147	1	December 31, 2010
Coliform, fecal general	0	69	1	July 31, 2010	600% over the limit
Temperature, water deg. centigrade	2	148	0
Flow	0	91	0
Flow rate	2	80	0
Duration of discharge	1	40	0
Oil & Grease	0	33	0
Oil and grease visual	0	33	0
Flow, total	1	15	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 SD0023230.

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 SD0023230 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES SD0023230 held by COLOME, CITY OF in Colome, SD, which discharges to Unnamed Trib Of Ponca Creek in the Headwaters of Ponca Creek subwatershed (HUC 101500010103). The permit's status is listed as administratively continued, with 9 pollutants under a numeric limit and 6 pollutants with an effluent exceedance recorded.