NPDES permit MN0055361 · Major POTW · effective, expires 2027-11-30 · 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 |
|---|---|---|---|---|
| D058 | Specific conductance | MO MAX | report only | all year |
| D058 | Oxygen, dissolved [DO] | MO MIN | report only | all year |
| D058 | pH | MO MIN | >= 6 SU | all year |
| D058 | pH | MO MAX | <= 9 SU | all year |
| D058 | Bicarbonate ion- [as HCO3] | MO MAX | report only | all year |
| D058 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| D058 | Solids, total suspended | MO MAX | report only | May, Sep |
| D058 | Solids, total suspended | MX WK AV | <= 45 mg/L | all year |
| D058 | Solids, total suspended | MO AVG | <= 303 kg/d | all year |
| D058 | Solids, total suspended | MX WK AV | <= 455 kg/d | all year |
| D058 | Nitrogen, total [as N] | MO AVG | report only | all year |
| D058 | Nitrogen, ammonia total [as N] | MO AVG | <= 4.7 mg/L | Oct, Nov |
| D058 | Nitrogen, ammonia total [as N] | MO AVG | <= 8.6 mg/L | Jan, Feb, Mar, Dec |
| D058 | Nitrogen, ammonia total [as N] | MO AVG | <= 3.3 mg/L | Apr, May |
| D058 | Nitrogen, ammonia total [as N] | MO AVG | <= 1.4 mg/L | Jun, Jul, Aug, Sep |
| D058 | Nitrogen, ammonia total [as N] | MO AVG | <= 47.5 kg/d | Oct, Nov |
| D058 | Nitrogen, ammonia total [as N] | MO AVG | <= 87 kg/d | Jan, Feb, Mar, Dec |
| D058 | Nitrogen, ammonia total [as N] | MO AVG | <= 33.3 kg/d | Apr, May |
| D058 | Nitrogen, ammonia total [as N] | MO AVG | <= 14.1 kg/d | Jun, Jul, Aug, Sep |
| D058 | Nitrogen, Kjeldahl, total [as N] | MO AVG | report only | all year |
| D058 | Nitrite + Nitrate total [as N] | MO AVG | report only | all year |
| D058 | Phosphorus, total [as P] | 1D | <= 1 mg/L | all year |
| D058 | Phosphorus, total [as P] | MO AVG | report only | all year |
| D058 | Phosphorus, total [as P] | MO AVG | report only | all year |
| D058 | Phosphorus, total [as P] | ANNL TOT | <= 3689 kg/yr | all year |
| D058 | Calcium, total [as Ca] | MO MAX | report only | all year |
| D058 | Magnesium, total [as Mg] | MO MAX | report only | all year |
| D058 | Sodium, total [as Na] | MO MAX | report only | all year |
| D058 | Potassium, total [as K] | MO MAX | report only | all year |
| D058 | Chloride [as Cl] | MO MAX | report only | all year |
| D058 | Sulfate, total [as SO4] | MO MAX | report only | all year |
| D058 | Hardness, Ca Mg Calculated [mg/L as CaCO3] | MO MAX | report only | all year |
| D058 | Coliform, fecal MPN + membrane ftl 44.5 C | MO GEOMN | <= 200 #/100mL | May, Jun, Jul, Aug, Sep, Oct |
| D058 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| D058 | Flow, in conduit or thru treatment plant | MO MAX | report only | all year |
| D058 | Flow, in conduit or thru treatment plant | MO TOTAL | report only | all year |
| D058 | Solids, total dissolved | MO MAX | report only | all year |
| D058 | Mercury, dissolved [as Hg] | MO MAX | report only | May, Sep |
| D058 | Mercury, total [as Hg] | MO MAX | report only | May, Sep |
| D058 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 15 mg/L | all year |
| D058 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 25 mg/L | all year |
| D058 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 152 kg/d | all year |
| D058 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 253 kg/d | all year |
| D058 | BOD, carb-5 day, 20 deg C, percent removal | MO AV MN | >= 85 % | all year |
| D058 | Solids, suspended percent removal | MO AV MN | >= 85 % | all year |
| D072 | Solids, total suspended | ANNL AVG | report only | all year |
| D072 | BOD, carbonaceous [5 day, 20 C] | ANNL AVG | report only | all year |
| S059 | Precipitation, total defined period/in | MO TOTAL | report only | all year |
| S059 | pH | MO MIN | report only | all year |
| S059 | pH | MO MAX | report only | all year |
| S059 | Solids, total suspended | MO AVG | report only | all year |
| S059 | Solids, total suspended | MO MAX | report only | all year |
| S059 | Nitrogen, total [as N] | MO AVG | report only | all year |
| S059 | Nitrogen, Kjeldahl, total [as N] | MO AVG | report only | all year |
| S059 | Nitrite + Nitrate total [as N] | MO AVG | report only | all year |
| S059 | Phosphorus, total [as P] | MO AVG | report only | all year |
| S059 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| S059 | BOD, carbonaceous [5 day, 20 C] | MO MAX | 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