Cliffs Erie LLC

NPDES permit MN0067962 · Minor NON-POTW · effective, expires 2028-03-31 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
0of 4 forms filed late

Last period with anything received: 2026-06-30.

Reporting

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

Limits in force (12)

OutfallParameterStatisticLimitMonths
D009Specific conductanceQRTR AVG report only all year
D009pHQC report only all year
D009pHQB report only all year
D009Solids, total suspendedQRTR AVG report only all year
D009Sulfate, total [as SO4]QRTR AVG report only all year
D009Boron, total [as B]QRTR AVG report only all year
D009Iron, dissolved [as Fe]QRTR AVG report only all year
D009Flow, in conduit or thru treatment plantQRTR AVG report only all year
D009Flow, in conduit or thru treatment plantQB report only all year
D009Flow, in conduit or thru treatment plantQT report only all year
D009Solids, total dissolvedQRTR AVG report only all year
D009Duration of dischargeMO TOTAL report only 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