Clean Water Act discharge permit · NPDES MNG585049

IRON JUNCTION WWTP, Iron, MN: NPDES MNG585049 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
3Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

IRON JUNCTION WWTP, held by Iron Junction city of, holds NPDES permit MNG585049. EPA’s file records it issued February 1, 2020 and expiring November 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	IRON JUNCTION WWTP
Permittee as filed	Iron Junction city of
NPDES ID	MNG585049
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	February 1, 2020
Expiration date	November 30, 2023
Issuing agency	STA
Address	Iron, MN 55751
Subwatershed	Elbow Creek (HUC 040102010703)

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

Effluent limits and exceedances

11Pollutants on file
11Under a numeric limit
3With 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	5	2	2	September 30, 2022	141% over the limit
BOD, carbonaceous [5 day, 20 C]	5	2	2	September 30, 2022	202% over the limit
Phosphorus, total [as P]	3	1	1	April 30, 2020	100% over the limit
Flow, in conduit or thru treatment plant	9	0	0
pH	3	0	0
Nitrogen, total [as N]	2	0	0
Nitrogen, Kjeldahl, total [as N]	2	0	0
Nitrite + Nitrate total [as N]	2	0	0
Precipitation, total defined period/in	1	0	0
Oxygen, dissolved [DO]	1	0	0
Coliform, fecal MPN + membrane ftl 44.5 C	1	0	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 MNG585049.

Inspections

EPA’s inspection file holds no inspection for NPDES MNG585049.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MNG585049.

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

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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 MNG585049 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit MNG585049 for the IRON JUNCTION WWTP in Iron, MN, held by Iron Junction city of, which is administratively continued and classed as a Minor Discharger. The page lists 11 pollutants on file, 11 of them under a numeric limit, and 3 with an effluent exceedance.