Flint Hills Resources Pine Bend LLC

NPDES permit MN0000418 · Major NON-POTW · expired, expires 2023-09-30 · 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.

This permit expired on 2023-09-30 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 33 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 (77)

OutfallParameterStatisticLimitMonths
D001Temperature, water deg. fahrenheitDAILY MX <= 120 deg F all year
D001Specific conductanceQB report only Mar, Jun, Sep, Dec
D001BOD, 5-day, 20 deg. CMO AVG <= 25 mg/L all year
D001BOD, 5-day, 20 deg. CMO AVG <= 630 kg/d all year
D001BOD, 5-day, 20 deg. CDAILY MX <= 1473 kg/d all year
D001pHINST MIN >= 6 SU all year
D001pHINST MAX <= 9 SU all year
D001Bicarbonate ion- [as HCO3]QB report only Mar, Jun, Sep, Dec
D001Solids, total suspendedMO AVG report only all year
D001Solids, total suspendedMO AVG <= 30 mg/L all year
D001Solids, total suspendedDAILY MX report only all year
D001Solids, total suspendedMO AVG <= 614 kg/d all year
D001Solids, total suspendedYA <= 224110 kg/yr all year
D001Solids, total suspendedDAILY MX <= 1120 kg/d all year
D001Oil and grease, hexane extr methodMO AVG report only all year
D001Oil and grease, hexane extr methodMO AVG <= 217 kg/d all year
D001Oil and grease, hexane extr methodDAILY MX <= 416 kg/d all year
D001Nitrogen, total [as N]MO AVG report only Mar, Sep
D001Nitrogen, ammonia total [as N]MO AVG report only all year
D001Nitrogen, ammonia total [as N]MO AVG <= 702 kg/d all year
D001Nitrogen, ammonia total [as N]DAILY MX <= 1455 kg/d all year
D001Nitrogen, ammonia, tot unionized [as N]DAILY MX <= .46 mg/L all year
D001Nitrogen, Kjeldahl, total [as N]MO AVG report only Mar, Sep
D001Nitrite + Nitrate total [as N]MO AVG report only Mar, Sep
D001Phosphorus, total [as P]MO AVG report only all year
D001Phosphorus, total [as P]ANNL TOT <= 2644 kg/yr all year
D001Sulfide, total [as S]MO AVG report only all year
D001Sulfide, total [as S]MO MAX report only all year
D001Sulfide, total [as S]MO AVG <= 4.6 kg/d all year
D001Sulfide, total [as S]DAILY MX <= 10.15 kg/d all year
D001Calcium, total [as Ca]QB report only Mar, Jun, Sep, Dec
D001Magnesium, total [as Mg]QB report only Mar, Jun, Sep, Dec
D001Sodium, total [as Na]QB report only Mar, Jun, Sep, Dec
D001Potassium, total [as K]QB report only Mar, Jun, Sep, Dec
D001Chloride [as Cl]QB report only Mar, Jun, Sep, Dec
D001Sulfate, total [as SO4]QB report only Mar, Jun, Sep, Dec
D001Chromium, hexavalent [as Cr]MO MAX <= 29 ug/L all year
D001Chromium, hexavalent [as Cr]MO AVG <= .64 kg/d all year
D001Chromium, hexavalent [as Cr]DAILY MX <= 1.43 kg/d all year
D001Chromium, total [as Cr]MO AVG report only all year
D001Chromium, total [as Cr]MO MAX report only all year
D001Chromium, total [as Cr]MO AVG <= 8.3 kg/d all year
D001Chromium, total [as Cr]DAILY MX <= 18.6 kg/d all year
D001Aluminum, total [as Al]QB report only Mar, Jun, Sep, Dec
D001Selenium, total [as Se]MO AVG report only Jan, Mar, May, Jul, Sep, Nov
D001Selenium, total [as Se]DAILY MX report only Jan, Mar, May, Jul, Sep, Nov
D001Toxicity, salmo acuteDAILY MX <= .9999 tox acute Jun
D001Phenolics, total recoverableDAILY MX <= 2214 ug/L all year
D001Phenolics, total recoverableMO AVG <= 5 kg/d all year
D001Phenolics, total recoverableDAILY MX <= 11.87 kg/d all year
D001Hardness, Ca Mg Calculated [mg/L as CaCO3]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 plantDAILY MX report only all year
D001Flow, in conduit or thru treatment plantMO TOTAL report only all year
D001Perfluorooctanoic acid (PFOA)QRTR AVG report only Mar, Jun, Sep, Dec
D001Perfluorobutanoic acid (PFBA)QRTR AVG report only Mar, Jun, Sep, Dec
D001Perfluorooctanesulfonamide (PFOSA)QRTR AVG report only Mar, Jun, Sep, Dec
D001PerfluorooctanesulfonateQRTR AVG report only Mar, Jun, Sep, Dec
D001Perfluoropentanoic acid (PFPeA)QRTR AVG report only Mar, Jun, Sep, Dec
D001Perfluorohexanoic acid (PFHxA)QRTR AVG report only Mar, Jun, Sep, Dec
D001Perfluoroheptanoic acid (PFHpA)QRTR AVG report only Mar, Jun, Sep, Dec
D001Perfluorononanoic acid (PFNA)QRTR AVG report only Mar, Jun, Sep, Dec
D001Perfluorodecanoic acid (PFDA)QRTR AVG report only Mar, Jun, Sep, Dec
D001Perfluoroundecanoic acid (PFUnA)QRTR AVG report only Mar, Jun, Sep, Dec
D001Perfluorododecanoic acid (PFDoA)QRTR AVG report only Mar, Jun, Sep, Dec
D001Perfluorobutane SulfonateQRTR AVG report only Mar, Jun, Sep, Dec
D001Perfluorohexane SulfonateQRTR AVG report only Mar, Jun, Sep, Dec
D001Solids, total dissolvedQB report only Mar, Jun, Sep, Dec
D001Mercury, dissolved [as Hg]MO AVG report only all year
D001Mercury, dissolved [as Hg]DAILY MX report only all year
D001Mercury, total [as Hg]MO AVG <= 10 ng/L all year
D001Mercury, total [as Hg]DAILY MX <= 17 ng/L all year
D001Chemical Oxygen Demand [COD]MO AVG report only all year
D001Chemical Oxygen Demand [COD]MO MAX report only all year
D001Chemical Oxygen Demand [COD]MO AVG <= 6041 kg/d all year
D001Chemical Oxygen Demand [COD]DAILY MX <= 11806 kg/d all year
D001pH range excursions, monthly total accumMO TOTAL <= 446 min 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