NPDES permit MN0055301 · Major NON-POTW · effective, expires 2030-07-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31.
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).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| D044 | Turbidity | MO AVG | <= 3 NTU | all year |
| D044 | Turbidity | DAILY MX | report only | all year |
| D044 | Redox [oxidation reduction potential] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Specific conductance | QB | report only | Mar, Jun, Sep, Dec |
| D044 | pH | MO MIN | >= 6.5 SU | all year |
| D044 | pH | MO MAX | <= 8.5 SU | all year |
| D044 | Alkalinity, total [as CaCO3] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Solids, total suspended | MO AVG | <= 20 mg/L | all year |
| D044 | Solids, total suspended | MO MAX | <= 30 mg/L | all year |
| D044 | Solids, total suspended | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Nitrogen, total [as N] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Nitrogen, Kjeldahl, total [as N] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Nitrite + Nitrate total [as N] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Phosphorus, total [as P] | ANNL MAX | report only | Aug |
| D044 | Calcium, total [as Ca] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Magnesium, total [as Mg] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Sodium, total [as Na] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Potassium, total [as K] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Chloride [as Cl] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Sulfate, total [as SO4] | MO MAX | report only | Mar, Jun, Sep, Dec |
| D044 | Asbestos | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Fluoride, total [as F] | MO AVG | <= 4.8 mg/L | all year |
| D044 | Fluoride, total [as F] | DAILY MX | <= 5.8 mg/L | all year |
| D044 | Asbestos, Chrysotile | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Asbestos, total amphibole | DAILY MX | <= 6.8 MF/L | Mar, Jun, Sep, Dec |
| D044 | Fibers, ambiguous asbestos | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Fibers, non-amphibole, non-chrysotile asbestos | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Copper, total [as Cu] | ANNL MAX | report only | Aug |
| D044 | Iron, total [as Fe] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Iron, dissolved [as Fe] | MO AVG | <= 1 mg/L | all year |
| D044 | Iron, dissolved [as Fe] | DAILY MX | <= 2 mg/L | all year |
| D044 | Manganese, total [as Mn] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Molybdenum, total [as Mo] | MO MAX | report only | all year |
| D044 | Diesel range organics diesel, total, wtr | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| D044 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| D044 | Flow, in conduit or thru treatment plant | MO TOTAL | report only | all year |
| D044 | Sodium, % total cations | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Solids, total dissolved | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Mercury, dissolved [as Hg] | QB | report only | Mar, Jun, Sep, Dec |
| D044 | Mercury, total [as Hg] | QB | report only | Mar, Jun, Sep, Dec |
| D045 | Turbidity | MO AVG | <= 3 NTU | all year |
| D045 | Turbidity | INST MAX | report only | all year |
| D046 | Temperature, water deg. centigrade | MO AVG | report only | all year |
| D046 | Temperature, water deg. centigrade | DAILY MX | report only | all year |
| D046 | pH | MO MIN | >= 6 SU | all year |
| D046 | pH | MO MAX | <= 9 SU | all year |
| D046 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| D046 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| D046 | Flow, in conduit or thru treatment plant | MO TOTAL | report only | all year |
| D048 | Turbidity | MO MAX | report only | May, Jul, Oct |
| D048 | Redox [oxidation reduction potential] | MO MAX | report only | May, Jul, Oct |
| D048 | Specific conductance | MO MAX | report only | May, Jul, Oct |
| D048 | pH | MO MIN | >= 6 SU | May, Jul, Oct |
| D048 | pH | MO MAX | <= 9 SU | May, Jul, Oct |
| D048 | Alkalinity, total [as CaCO3] | MO MAX | report only | May, Jul, Oct |
| D048 | Solids, total suspended | MO AVG | <= 20 mg/L | May, Jul, Oct |
| D048 | Solids, total suspended | MO MAX | <= 30 mg/L | May, Jul, Oct |
| D048 | Nitrogen, total [as N] | MO MAX | report only | May, Jul, Oct |
| D048 | Nitrogen, Kjeldahl, total [as N] | MO MAX | report only | May, Jul, Oct |
| D048 | Nitrite + Nitrate total [as N] | MO MAX | report only | May, Jul, Oct |
| D048 | Calcium, total [as Ca] | MO MAX | report only | May, Jul, Oct |
| D048 | Magnesium, total [as Mg] | MO MAX | report only | May, Jul, Oct |
| D048 | Sodium, total [as Na] | MO MAX | report only | May, Jul, Oct |
| D048 | Potassium, total [as K] | MO MAX | report only | May, Jul, Oct |
| D048 | Chloride [as Cl] | MO MAX | report only | May, Jul, Oct |
| D048 | Sulfate, total [as SO4] | MO MAX | report only | May, Jul, Oct |
| D048 | Fluoride, total [as F] | MO MAX | report only | May, Jul, Oct |
| D048 | Boron, total [as B] | MO MAX | report only | May, Jul, Oct |
| D048 | Iron, total [as Fe] | MO MAX | report only | May, Jul, Oct |
| D048 | Iron, dissolved [as Fe] | MO AVG | <= 1 mg/L | May, Jul, Oct |
| D048 | Iron, dissolved [as Fe] | MO MAX | <= 2 mg/L | May, Jul, Oct |
| D048 | Manganese, total [as Mn] | MO MAX | report only | May, Jul, Oct |
| D048 | Molybdenum, total [as Mo] | MO MAX | report only | May, Jul, Oct |
| D048 | Flow, in conduit or thru treatment plant | MO AVG | report only | May, Jul, Oct |
| D048 | Flow, in conduit or thru treatment plant | MO MAX | report only | May, Jul, Oct |
| D048 | Flow, in conduit or thru treatment plant | MO TOTAL | report only | May, Jul, Oct |
| D048 | Sodium, % total cations | MO MAX | report only | May, Jul, Oct |
| D048 | Solids, total dissolved | MO MAX | report only | May, Jul, Oct |
| D085 | Solids, total suspended | MO MAX | <= 417 lb/d | Apr, May, Jun, Jul, Aug, Sep |
| D092 | pH | MINIMUM | report only | all year |
| D092 | pH | ANNL MAX | report only | all year |
| D092 | Solids, total suspended | ANNL AVG | report only | all year |
| D092 | Arsenic, total [as As] | ANNL AVG | report only | all year |
| D092 | Cadmium, total [as Cd] | ANNL AVG | report only | all year |
| D092 | Copper, total [as Cu] | ANNL AVG | report only | all year |
| D092 | Iron, total [as Fe] | ANNL AVG | report only | all year |
| D092 | Lead, total [as Pb] | ANNL AVG | report only | all year |
| D092 | Nickel, total [as Ni] | ANNL AVG | report only | all year |
| D092 | Silver, total [as Ag] | ANNL AVG | report only | all year |
| D092 | Zinc, total [as Zn] | ANNL AVG | report only | all year |
| D092 | Antimony, total [as Sb] | ANNL AVG | report only | all year |
| D092 | Selenium, total [as Se] | ANNL AVG | report only | all year |
| S064 | Specific conductance | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | pH | MO MIN | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | pH | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Bicarbonate ion- [as HCO3] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Nitrite + Nitrate total [as N] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Calcium, total [as Ca] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Magnesium, total [as Mg] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Sodium, total [as Na] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Potassium, total [as K] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Chloride [as Cl] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Sulfate, total [as SO4] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Fluoride, total [as F] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Iron, total [as Fe] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Manganese, total [as Mn] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Hardness, Ca Mg Calculated [mg/L as CaCO3] | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Flow, in conduit or thru treatment plant | MO AVG | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Flow, in conduit or thru treatment plant | DAILY MX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Flow, in conduit or thru treatment plant | MO TOTAL | report only | Jan, Mar, May, Jul, Sep, Nov |
| S064 | Solids, total dissolved | MO MAX | report only | Jan, Mar, May, Jul, Sep, Nov |
| S081 | Precipitation, total defined period/in | MO TOTAL | report only | all year |
| S081 | Evaporation, Accumulated | MO TOTAL | report only | all year |
| S081 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| S081 | Flow, in conduit or thru treatment plant | MO MAX | report only | all year |
| S081 | Flow, in conduit or thru treatment plant | MO TOTAL | report only | all year |
| W052 | Stream flow, instantaneous | INST MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Turbidity | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Redox [oxidation reduction potential] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Specific conductance | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | pH | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Alkalinity, total [as CaCO3] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Nitrogen, nitrate total [as N] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Hardness, total [as CaCO3] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Calcium, total [as Ca] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Magnesium, total [as Mg] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Sodium, total [as Na] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Potassium, total [as K] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Chloride [as Cl] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Sulfate, total [as SO4] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Asbestos | ANNL MAX | report only | Apr |
| W052 | Fluoride, total [as F] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Asbestos, Chrysotile | ANNL MAX | report only | Apr |
| W052 | Asbestos, total amphibole | ANNL MAX | report only | Apr |
| W052 | Fibers, ambiguous asbestos | ANNL MAX | report only | Apr |
| W052 | Fibers, non-amphibole, non-chrysotile asbestos | ANNL MAX | report only | Apr |
| W052 | Iron, total [as Fe] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Manganese, total [as Mn] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W052 | Solids, total dissolved | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Stream flow, instantaneous | INST MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Turbidity | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Redox [oxidation reduction potential] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Specific conductance | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | pH | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Alkalinity, total [as CaCO3] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Nitrogen, nitrate total [as N] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Hardness, total [as CaCO3] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Calcium, total [as Ca] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Magnesium, total [as Mg] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Sodium, total [as Na] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Potassium, total [as K] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Chloride [as Cl] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Sulfate, total [as SO4] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Asbestos | ANNL MAX | report only | Apr |
| W070 | Fluoride, total [as F] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Asbestos, Chrysotile | ANNL MAX | report only | Apr |
| W070 | Asbestos, total amphibole | ANNL MAX | report only | Apr |
| W070 | Fibers, ambiguous asbestos | ANNL MAX | report only | Apr |
| W070 | Fibers, non-amphibole, non-chrysotile asbestos | ANNL MAX | report only | Apr |
| W070 | Iron, total [as Fe] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Manganese, total [as Mn] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W070 | Solids, total dissolved | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Stream flow, instantaneous | INST MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Turbidity | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Redox [oxidation reduction potential] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Specific conductance | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | pH | INST MIN | report only | Apr, Jul, Sep, Nov |
| W071 | pH | INST MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Alkalinity, total [as CaCO3] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Nitrogen, nitrate total [as N] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Hardness, total [as CaCO3] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Calcium, total [as Ca] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Magnesium, total [as Mg] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Sodium, total [as Na] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Potassium, total [as K] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Chloride [as Cl] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Sulfate, total [as SO4] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Asbestos | ANNL MAX | report only | Apr |
| W071 | Fluoride, total [as F] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Asbestos, Chrysotile | ANNL MAX | report only | Apr |
| W071 | Asbestos, total amphibole | ANNL MAX | report only | Apr |
| W071 | Fibers, ambiguous asbestos | ANNL MAX | report only | Apr |
| W071 | Fibers, non-amphibole, non-chrysotile asbestos | ANNL MAX | report only | Apr |
| W071 | Iron, total [as Fe] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Manganese, total [as Mn] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Sodium, % total cations | MO MAX | report only | Apr, Jul, Sep, Nov |
| W071 | Solids, total dissolved | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Stream flow, instantaneous | INST MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Turbidity | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Redox [oxidation reduction potential] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Specific conductance | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | pH | INST MIN | report only | Apr, Jul, Sep, Nov |
| W072 | pH | INST MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Alkalinity, total [as CaCO3] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Nitrogen, nitrate total [as N] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Hardness, total [as CaCO3] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Calcium, total [as Ca] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Magnesium, total [as Mg] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Sodium, total [as Na] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Potassium, total [as K] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Chloride [as Cl] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Sulfate, total [as SO4] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Asbestos | ANNL MAX | report only | Apr |
| W072 | Fluoride, total [as F] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Asbestos, Chrysotile | ANNL MAX | report only | Apr |
| W072 | Asbestos, total amphibole | ANNL MAX | report only | Apr |
| W072 | Fibers, ambiguous asbestos | ANNL MAX | report only | Apr |
| W072 | Fibers, non-amphibole, non-chrysotile asbestos | ANNL MAX | report only | Apr |
| W072 | Iron, total [as Fe] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Manganese, total [as Mn] | MO MAX | report only | Apr, Jul, Sep, Nov |
| W072 | Solids, total dissolved | MO MAX | report only | Apr, Jul, Sep, Nov |
| W073 | Temperature, water deg. centigrade | MO AVG | report only | all year |
| W073 | Temperature, water deg. centigrade | DAILY MX | report only | all year |
| W073 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| W073 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| W073 | Flow, in conduit or thru treatment plant | MO 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