Milestone Materials

NPDES permit MN0062227 · Minor NON-POTW · effective, expires 2031-04-30 · 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
0required values missing, on 0 form(s)
0of 24 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 MN permits in EPA's filings — check your permit).

Limits in force (26)

OutfallParameterStatisticLimitMonths
D001pHMO MIN >= 6 SU Mar, Jun, Sep, Dec
D001pHMO MAX <= 9 SU Mar, Jun, Sep, Dec
D001Solids, total suspendedMO AVG <= 30 mg/L Mar, Jun, Sep, Dec
D001Solids, total suspendedMO MAX <= 45 mg/L Mar, Jun, Sep, Dec
D001Solids, total suspendedMO AVG <= 1868 kg/d Mar, Jun, Sep, Dec
D001Nitrogen, total [as N]MO MAX report only Dec
D001Nitrogen, Kjeldahl, total [as N]MO MAX report only Dec
D001Nitrite + Nitrate total [as N]MO MAX report only Dec
D001Phosphorus, total [as P]MO MAX report only Jun, Sep
D001Sulfate, total [as SO4]QB report only Mar, Jun, Sep, Dec
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
D002pHMO MIN >= 6 SU Mar, Jun, Sep, Dec
D002pHMO MAX <= 9 SU Mar, Jun, Sep, Dec
D002Solids, total suspendedMO AVG <= 30 mg/L Mar, Jun, Sep, Dec
D002Solids, total suspendedMO MAX <= 45 mg/L Mar, Jun, Sep, Dec
D002Solids, total suspendedMO AVG <= 1868 kg/d Mar, Jun, Sep, Dec
D002Nitrogen, total [as N]MO MAX report only Dec
D002Nitrogen, Kjeldahl, total [as N]MO MAX report only Dec
D002Nitrite + Nitrate total [as N]MO MAX report only Dec
D002Phosphorus, total [as P]MO MAX report only Jun, Sep
D002Sulfate, total [as SO4]QB report only Mar, Jun, Sep, Dec
D002Flow, in conduit or thru treatment plantMO AVG report only all year
D002Flow, in conduit or thru treatment plantMO MAX report only all year
D002Flow, in conduit or thru treatment plantMO 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