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NuStar Pipeline Operating Partnership LP

Refined Petroleum Pipelines, Moorhead, Minnesota. NPDES permit MN0000485, in force until Dec 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D001 form A1 monthly (10 values), outfall D002 form A1 monthly (14 values)
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (29)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUMar, Jun, Sep, DecD001
pHinstantaneous maximum≤ 9 SUMar, Jun, Sep, DecD001
Nitrogen, total [as N]daily maximumreport only (mg/L)Jun, OctD001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jun, OctD001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Jun, OctD001
Organics, gasoline rangedaily maximumreport only (mg/L)Mar, Jun, Sep, DecD001
Toluenedaily maximumreport only (mg/L)Mar, Jun, Sep, DecD001
Benzenedaily maximumreport only (mg/L)Mar, Jun, Sep, DecD001
Diesel range organics diesel, total, wtrdaily maximumreport only (mg/L)Mar, Jun, Sep, DecD001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD001
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD001
Xylenes [total], dry weightdaily maximumreport only (mg/L)Mar, Jun, Sep, DecD001
Duration of dischargemonthly totalreport only (d/mo)all yearD001
pHinstantaneous minimum≥ 6 SUMar, Jun, Sep, DecD002
pHinstantaneous maximum≤ 9 SUMar, Jun, Sep, DecD002
Solids, total suspendedquarterly average≤ 30 mg/LMar, Jun, Sep, DecD002
Solids, total suspendeddaily maximum≤ 60 mg/LMar, Jun, Sep, DecD002
Nitrogen, ammonia total [as N]daily maximumreport only (ug/L)Jun, OctD002
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jun–OctD002
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Jun, OctD002
Organics, gasoline rangedaily maximumreport only (ug/L)Mar, Jun, Sep, DecD002
Toluenedaily maximum≤ 253 ug/LMar, Jun, Sep, DecD002
Benzenedaily maximum≤ 98 ug/LMar, Jun, Sep, DecD002
Ethylbenzenedaily maximum≤ 68 ug/LMar, Jun, Sep, DecD002
Diesel range organics diesel, total, wtrdaily maximumreport only (ug/L)Mar, Jun, Sep, DecD002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD002
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD002
Duration of dischargemonthly totalreport only (d/mo)all yearD002
Xylene [mix of m+o+p]daily maximum≤ 166 ug/LMar, Jun, Sep, DecD002

How strict are these limits?

Cited limits by parameter: Minnesota's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MN0000485 · MCP: https://passage-data.com/mcp