Clean Water Act discharge permit · NPDES MNG585190

MAGNOLIA WWTP, Magnolia, MN: NPDES MNG585190 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
1Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

MAGNOLIA WWTP, held by Magnolia city of, holds NPDES permit MNG585190. EPA’s file records it issued January 1, 2020 and expiring November 30, 2023.

MAGNOLIA WWTP, Magnolia, Minnesota: Coverage under a general permit MNG585190, held by Magnolia city of; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued January 1, 2020, term to November 30, 2023, by STA.

Coliform, fecal MPN + membrane ftl 44.5 C: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest August 31, 2019, largest 35% over the limit.
Flow, in conduit or thru treatment plant: 9 limits, 0 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 5 limits, 0 violations of any kind, 0 effluent exceedances.
BOD, carbonaceous [5 day, 20 C]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
pH: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Nitrogen, Kjeldahl, total [as N]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Nitrite + Nitrate total [as N]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Precipitation, total defined period/in: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 1 limit, 0 violations of any kind, 0 effluent exceedances.

October 29, 2026: Evaluation (S).

Minnesota holds 240 Publicly owned treatment works coverages of this permit type in EPA’s file; 13 were issued before MNG585190.

Coverages issued nearest MNG585190

January 1, 2020: HENDRUM WWTP, Hendrum, MNG585176, held by Hendrum city of
January 1, 2020: HITTERDAL WWTP, Hitterdal, MNG585178, held by Hitterdal city of
January 1, 2020: HILL CITY WWTP, Hill City, MNG585182, held by Hill City city of
January 1, 2020: FULDA WWTP, Fulda, MNG585188, held by Fulda city of
January 1, 2020: HERON LAKE WWTP, Heron Lake, MNG585189, held by Heron Lake city of
January 1, 2020: WOODSTOCK WWTP, Woodstock, MNG585192, held by Woodstock city of
January 1, 2020: HARDWICK WWTP, Hardwick, MNG585194, held by Hardwick city of
January 1, 2020: HILLS WWTP, Hills, MNG585196, held by Hills city of
January 1, 2020: STEEN WWTP, Steen, MNG585199, held by Steen city of
January 1, 2020: WILMONT WWTP, Wilmont, MNG585200, held by Wilmont city of

MAGNOLIA WWTP among its neighbors

EPA’s permit file holds 5 discharge permits in the Elk Creek subwatershed (HUC 101702040303), MNG585190 among them. Its county holds 25, 0 of them major permits; MNG585190 is a minor permit.

Other permits in the Elk Creek subwatershed (HUC 101702040303)

BRIAN KNIPS - KNIPS PORK, Kenneth: MNG441573, minor permit, permit term to January 31, 2026
KEVIN KNIPS FARM, Magnolia: MNG442273, minor permit, permit term to January 31, 2031
KNIPS FEEDLOT LLC, Magnolia: MNG442272, minor permit, permit term to January 31, 2031
RICK BULLERMAN FARM - SEC 25, Adrian: MNG440826, minor permit, permit term to January 31, 2026

Identity

Facility as filed	MAGNOLIA WWTP
Permittee as filed	Magnolia city of
NPDES ID	MNG585190
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	January 1, 2020
Expiration date	November 30, 2023
Issuing agency	STA
Address	Magnolia, MN 56158
Subwatershed	Elk Creek (HUC 101702040303)

Effluent limits and exceedances

11Pollutants on file
11Under a numeric limit
1With a violation of any kind
1With 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
Coliform, fecal MPN + membrane ftl 44.5 C	1	1	1	August 31, 2019	35% over the limit
Flow, in conduit or thru treatment plant	9	0	0
Solids, total suspended	5	0	0
BOD, carbonaceous [5 day, 20 C]	5	0	0
pH	3	0	0
Phosphorus, total [as P]	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

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MNG585190.

Inspections

Date	What EPA recorded	Agency
October 29, 2026	Evaluation	S

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 MNG585190.

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

This public-records page covers Clean Water Act discharge permit NPDES MNG585190 for MAGNOLIA WWTP in Magnolia, MN, held by Magnolia city of and listed as administratively continued after its November 30, 2023 expiration. The facts list 11 pollutants on file, 11 under a numeric limit, 1 with a violation of any kind, and 1 with an effluent exceedance, within the Elk Creek subwatershed (HUC 101702040303).