Richfield city of

NPDES permit MN0070173 · Minor NON-POTW · effective, expires 2031-06-30 · 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
10required values missing, on 2 form(s)
0of 22 forms filed late

Last period with anything received: 2026-07-31.

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 (13)

OutfallParameterStatisticLimitMonths
D001pHINST MIN report only all year
D001pHINST MAX report only all year
D001Solids, total suspendedMO AVG report only all year
D001Phosphorus, total [as P]MO AVG report only all year
D001Flow, in conduit or thru treatment plantMO AVG report only all year
D001Flow, in conduit or thru treatment plantMO MAX report only all year
D001Flow, in conduit or thru treatment plantMO TOTAL report only all year
D001Phosphorous, in total orthophosphateMO AVG report only all year
S002pHINST MIN report only all year
S002pHINST MAX report only all year
S002Solids, total suspendedMO AVG report only all year
S002Phosphorus, total [as P]MO AVG report only all year
S002Phosphorous, in total orthophosphateMO AVG 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