Enbridge Energy, Limited Partnership

NPDES permit MI0060278 · Minor NON-POTW · administratively continued, expires 2025-10-01 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2025-10-01 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 36 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 21 days after each monitoring period ends (the most common figure among MI permits in EPA's filings — check your permit).

Limits in force (50)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitDAILY MX = 85 deg F all year
001Thermal DischargeMO AVG = 57 MBTU/hr Jan, Feb, Mar, Apr, May, Nov, Dec
001Thermal DischargeDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow rateMO AVG report only all year
001Flow rateDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 4 mg/L all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MN = 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001pHDAILY MX = 9 SU all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG = 40 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX = 70 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseDAILY MX = 15 mg/L all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Equipment inspection - visualVALUE report only all year
001Equipment inspection - visualVALUE report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Volume, totalDAILY MX report only all year
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX = 1 tox acute all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Outfall observation,visual, y/n responseVALUE report only all year
001Outfall observation,visual, y/n responseVALUE report only all year
001Toxic Units Static 24 Hr Acute Ceriodaphnia dubiaDAILY MX = 1 tox acute all year
001TU Static 24 Hr Acute Daphnia magnaDAILY MX = 1 tox acute all year
001TU Static 24 Hr Acute Pimephales promelasDAILY MX = 1 tox acute all year
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG <= 40 mg/L all year
003Solids, total suspendedDAILY MX <= 70 mg/L all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Chloride [as Cl]MO AVG report only all year
003Chloride [as Cl]DAILY MX report only all year
003Equipment inspection - visualVALUE report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute all year
003Solids, total dissolvedMO AVG report only all year
003Solids, total dissolvedDAILY MX report only all year
003Outfall observation,visual, y/n responseVALUE report only all year
003Toxic Units Static 24 Hr Acute Ceriodaphnia dubiaDAILY MX <= 1 tox acute all year
003TU Static 24 Hr Acute Daphnia magnaDAILY MX <= 1 tox acute all year
003TU Static 24 Hr Acute Pimephales promelasDAILY MX <= 1 tox acute all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states