Clean Water Act discharge permit · NPDES SD0020087

MENNO, CITY OF, Menno, SD: NPDES SD0020087 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
4Pollutants with an effluent exceedance

MENNO, CITY OF, held by Menno, City of, holds NPDES permit SD0020087, which discharges to Unnamed Tributary Of Dunn Creek. EPA’s file records it issued September 29, 2014 and expiring September 30, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	MENNO, CITY OF
Permittee as filed	Menno, City of
NPDES ID	SD0020087
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 29, 2014
Expiration date	September 30, 2019
Issuing agency	SDDENR
Address	Menno, SD 57045
Receiving water	Unnamed Tributary of Dunn Creek
Subwatershed	Town of Menno (HUC 101600111804)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

15Pollutants on file
10Under a numeric limit
15With a violation of any kind
4With 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]	24	81	11	April 30, 2019	122% over the limit
Solids, total suspended	2	89	10	June 30, 2016	202% over the limit
pH	2	87	5	May 31, 2011
Chlorine, total residual	0	31	3	December 31, 1998	99,900% over the limit
BOD, 5-day, 20 deg. C	2	79	0
Temperature, water deg. centigrade	2	78	0
Flow rate	2	78	0
Coliform, fecal general	0	40	0
Duration of discharge	1	16	0
Flow, total	1	11	0
E. coli, colony forming units [CFU]	2	10	0
Duration	0	10	0
Flowing, Receiving Stream	1	6	0
Nitrogen, total [as N]	0	1	0
Phosphorus, total [as P]	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 SD0020087.

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, SD0020087.

Start the watch

How we handle your data → Privacy

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 SD0020087 there.

Nearby on the register

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