NuStar Pipeline Operating Partnership LP

NPDES permit MN0000485 · Minor NON-POTW · effective, expires 2027-12-31 · 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 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 (29)

OutfallParameterStatisticLimitMonths
D001pHINST MIN >= 6 SU Mar, Jun, Sep, Dec
D001pHINST MAX <= 9 SU Mar, Jun, Sep, Dec
D001Nitrogen, total [as N]DAILY MX report only Jun, Oct
D001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Jun, Oct
D001Nitrite + Nitrate total [as N]DAILY MX report only Jun, Oct
D001Organics, gasoline rangeDAILY MX report only Mar, Jun, Sep, Dec
D001TolueneDAILY MX report only Mar, Jun, Sep, Dec
D001BenzeneDAILY MX report only Mar, Jun, Sep, Dec
D001Diesel range organics diesel, total, wtrDAILY MX 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 TOTAL report only all year
D001Xylenes [total], dry weightDAILY MX report only Mar, Jun, Sep, Dec
D001Duration of dischargeMO TOTAL report only all year
D002pHINST MIN >= 6 SU Mar, Jun, Sep, Dec
D002pHINST MAX <= 9 SU Mar, Jun, Sep, Dec
D002Solids, total suspendedQRTR AVG <= 30 mg/L Mar, Jun, Sep, Dec
D002Solids, total suspendedDAILY MX <= 60 mg/L Mar, Jun, Sep, Dec
D002Nitrogen, ammonia total [as N]DAILY MX report only Jun, Oct
D002Nitrogen, Kjeldahl, total [as N]DAILY MX report only Jun, Jul, Aug, Sep, Oct
D002Nitrite + Nitrate total [as N]DAILY MX report only Jun, Oct
D002Organics, gasoline rangeDAILY MX report only Mar, Jun, Sep, Dec
D002TolueneDAILY MX <= 253 ug/L Mar, Jun, Sep, Dec
D002BenzeneDAILY MX <= 98 ug/L Mar, Jun, Sep, Dec
D002EthylbenzeneDAILY MX <= 68 ug/L Mar, Jun, Sep, Dec
D002Diesel range organics diesel, total, wtrDAILY MX 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 TOTAL report only all year
D002Duration of dischargeMO TOTAL report only all year
D002Xylene [mix of m+o+p]DAILY MX <= 166 ug/L Mar, Jun, Sep, Dec

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