Gevo

NPDES permit MN0064033 · Minor NON-POTW · effective, expires 2028-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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 (36)

OutfallParameterStatisticLimitMonths
D008Specific conductanceMO AVG <= 1045 umho/cm all year
D008Specific conductanceDAILY MX <= 1119 umho/cm all year
D008pHINST MIN >= 6 SU all year
D008pHINST MAX <= 9 SU all year
D008Bicarbonate ion- [as HCO3]MO AVG <= 323 mg/L all year
D008Bicarbonate ion- [as HCO3]DAILY MX <= 348 mg/L all year
D008Solids, total suspendedMO AVG <= 30 mg/L all year
D008Solids, total suspendedDAILY MX <= 52 mg/L all year
D008Solids, total suspendedMO AVG <= 10.1 kg/d all year
D008Nitrogen, total [as N]MO AVG report only Mar, Sep
D008Nitrogen, Kjeldahl, total [as N]MO AVG report only Mar, Sep
D008Nitrite + Nitrate total [as N]MO AVG report only Mar, Sep
D008Phosphorus, total [as P]MO AVG report only all year
D008Phosphorus, total [as P]YA report only all year
D008Phosphorus, total [as P]MO TOTAL report only all year
D008Calcium, total [as Ca]QRTR AVG report only Mar, Jun, Sep, Dec
D008Magnesium, total [as Mg]QRTR AVG report only Mar, Jun, Sep, Dec
D008Sodium, total [as Na]QRTR AVG report only Mar, Jun, Sep, Dec
D008Potassium, total [as K]QRTR AVG report only Mar, Jun, Sep, Dec
D008Chloride [as Cl]MO AVG <= 230 mg/L all year
D008Chloride [as Cl]DAILY MX <= 860 mg/L all year
D008Sulfate, total [as SO4]QRTR AVG report only Mar, Jun, Sep, Dec
D008Boron, total [as B]QRTR AVG report only Mar, Jun, Sep, Dec
D008Selenium, total [as Se]QRTR AVG report only Mar, Jun, Sep, Dec
D008Hardness, Ca Mg Calculated [mg/L as CaCO3]MO AVG <= 526 mg/L all year
D008Hardness, Ca Mg Calculated [mg/L as CaCO3]DAILY MX <= 571 mg/L all year
D008Flow, in conduit or thru treatment plantMO AVG report only all year
D008Flow, in conduit or thru treatment plantMO MAX report only all year
D008Flow, in conduit or thru treatment plantMO TOTAL report only all year
D008Chlorine, total residualDAILY MX <= .038 mg/L all year
D008Sodium, % total cationsQRTR AVG report only Mar, Jun, Sep, Dec
D008Solids, total dissolvedMO AVG <= 735 mg/L all year
D008Solids, total dissolvedDAILY MX <= 795 mg/L all year
D008BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L all year
D008BOD, carbonaceous [5 day, 20 C]DAILY MX <= 26 mg/L all year
D008BOD, carbonaceous [5 day, 20 C]MO AVG <= 5.1 kg/d 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