Clean Water Act discharge permit · NPDES MN0054127

DASSEL WWTP, Dassel, MN: NPDES MN0054127 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
14Pollutants under a numeric limit
0Pollutants with an effluent exceedance

DASSEL WWTP, held by Dassel city of, holds NPDES permit MN0054127. EPA’s file records it issued December 1, 2018 and expiring November 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	DASSEL WWTP
Permittee as filed	Dassel city of
NPDES ID	MN0054127
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	December 1, 2018
Expiration date	November 30, 2023
Issuing agency	STA
Address	Dassel, MN 55325
Subwatershed	Washington Creek (HUC 070102040404)
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

20Pollutants on file
14Under a numeric limit
14With a violation of any kind
0With 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
pH	4	24
Nitrogen, ammonia total [as N]	1	6
Temperature, water deg. centigrade	0	6
Water level at sample collection time	0	6
Solids, total suspended	5	5
BOD, carbonaceous [5 day, 20 C]	5	5
Nitrogen, Kjeldahl, total [as N]	2	5
Nitrite + Nitrate total [as N]	2	5
Chloride [as Cl]	0	5
Specific conductance	0	4
Flow, in conduit or thru treatment plant	9	3
Application rate area sprayed	0	2
Coliform, fecal MPN + membrane ftl 44.5 C	1	1
Rainfall	0	1
Phosphorus, total [as P]	4	0
Nitrogen, total [as N]	2	0
Precipitation, total defined period/in	1	0
Oxygen, dissolved [DO]	1	0
Chlorine, total residual	1	0
Solids, total dissolved	1	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MN0054127.

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 MN0054127.

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 MN0054127 there.

Nearby on the register

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

This public-records page covers NPDES permit MN0054127, held by Dassel city of for the DASSEL WWTP in Dassel, MN, a publicly owned treatment works classed as a minor discharger and administratively continued past its expiration date. The permit file lists 20 pollutants on file, 14 under a numeric limit, and 14 with a violation of any kind, with 0 showing an effluent exceedance. The permit was issued December 1, 2018 and was set to expire November 30, 2023, and the figures reflect EPA's file as loaded on October 14, 2026.