Clean Water Act discharge permit · NPDES MNG790261

ENBRIDGE LINE 3 REPLACEMENT, Twin Lakes Township, MN: NPDES MNG790261 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
15Pollutants under a numeric limit
0Pollutants with an effluent exceedance

ENBRIDGE LINE 3 REPLACEMENT, held by Enbridge Energy Limited Partnership, holds NPDES permit MNG790261. EPA’s file records it issued July 1, 2021 and expiring December 30, 2021. 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.

What the register holds for ENBRIDGE LINE 3 REPLACEMENT: its NPDES ID, its permit type and status, its dates, its address in Twin Lakes Township, Minnesota, and 15 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MNG790261.

Identity

Facility as filed	ENBRIDGE LINE 3 REPLACEMENT
Permittee as filed	Enbridge Energy Limited Partnership
NPDES ID	MNG790261
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	July 1, 2021
Expiration date	December 30, 2021
Issuing agency	STA
Address	Twin Lakes Township, MN 55718
Subwatershed	Otter Creek (HUC 040102011504)

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

Effluent limits and exceedances

15Pollutants on file
15Under a numeric limit
0With 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	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Flow, in conduit or thru treatment plant	6	0	0
pH	4	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
Phosphorus, total [as P]	2	0	0
Chloride [as Cl]	2	0	0
Organics, gasoline range	2	0	0
Toluene	2	0	0
Benzene	2	0	0
Ethylbenzene	2	0	0
Naphthalene	2	0	0
Diesel range organics diesel, total, wtr	2	0	0
Xylenes [total], dry weight	2	0	0
BOD, carbonaceous [5 day, 20 C]	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MNG790261.

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 MNG790261.

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

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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 MNG790261 there.

Nearby on the register

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

This public-records page covers NPDES permit MNG790261 for ENBRIDGE LINE 3 REPLACEMENT in Twin Lakes Township, MN, held by Enbridge Energy Limited Partnership, with a permit status of Effective and a discharger class of Minor discharger. The page lists 15 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.