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Industrial Organic Chemicals, Blooming Prairie, Minnesota. NPDES permit MN0041521, in force until May 31, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 95 deg F | all year | D002 |
| Specific conductance | daily maximum | report only (umho/cm) | all year | D002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | D002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | D002 |
| Solids, total suspended | quarterly average | ≤ 30 mg/L | all year | D002 |
| Solids, total suspended | quarterly maximum | ≤ 45 mg/L | all year | D002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | D002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | D002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | D002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | D002 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | D002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | D002 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | D002 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | D002 |
| Flow, in conduit or thru treatment plant | quarterly maximum | report only (MGD) | all year | D002 |
| Flow, in conduit or thru treatment plant | quarterly total | report only (Mgal/mo) | all year | D002 |
| Chlorine, total residual | daily maximum | ≤ .038 mg/L | all year | D002 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | D002 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 95 deg F | Mar, Jun, Sep, Dec | D003 |
| Specific conductance | daily maximum | report only (umho/cm) | Mar, Jun, Sep, Dec | D003 |
| pH | instantaneous minimum | ≥ 6 SU | Mar, Jun, Sep, Dec | D003 |
| pH | instantaneous maximum | ≤ 9 SU | Mar, Jun, Sep, Dec | D003 |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D003 |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D003 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Mar, Sep | D003 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Mar, Sep | D003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Mar, Sep | D003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D003 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D003 |
| Sulfate, total [as SO4] | monthly average | ≤ 960 mg/L | all year | D003 |
| Sulfate, total [as SO4] | daily maximum | ≤ 2297 mg/L | all year | D003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D003 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | D003 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D003 |
| Chlorine, total residual | daily maximum | ≤ .038 mg/L | Mar, Jun, Sep, Dec | D003 |
| Solids, total dissolved | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D003 |
| Mercury, dissolved [as Hg] | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | D003 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | D003 |
| pH | monthly minimum | ≥ 5 SU | all year | S004 |
| Cyanide, total [as CN] | monthly average | ≤ 396 ug/L | all year | S004 |
| Cyanide, total [as CN] | daily maximum | ≤ 1130 ug/L | all year | S004 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year | S004 |
| Lead, total [as Pb] | monthly average | ≤ 301 ug/L | all year | S004 |
| Lead, total [as Pb] | daily maximum | ≤ 650 ug/L | all year | S004 |
| Zinc, total [as Zn] | monthly average | ≤ 989 ug/L | all year | S004 |
| Zinc, total [as Zn] | daily maximum | ≤ 2458 ug/L | all year | S004 |
| Carbon tetrachloride | monthly average | ≤ 134 ug/L | all year | S004 |
| Carbon tetrachloride | daily maximum | ≤ 358 ug/L | all year | S004 |
| Chloroform | monthly average | ≤ 105 ug/L | all year | S004 |
| Chloroform | daily maximum | ≤ 306 ug/L | all year | S004 |
| Toluene | monthly average | ≤ 26 ug/L | all year | S004 |
| Toluene | daily maximum | ≤ 70 ug/L | all year | S004 |
| Benzene | monthly average | ≤ 54 ug/L | all year | S004 |
| Benzene | daily maximum | ≤ 126 ug/L | all year | S004 |
| Acenaphthene | monthly average | ≤ 18 ug/L | all year | S004 |
| Acenaphthene | daily maximum | ≤ 44 ug/L | all year | S004 |
| Anthracene | monthly average | ≤ 18 ug/L | all year | S004 |
| Anthracene | daily maximum | ≤ 44 ug/L | all year | S004 |
| Chlorobenzene | monthly average | ≤ 134 ug/L | all year | S004 |
| Chlorobenzene | daily maximum | ≤ 358 ug/L | all year | S004 |
| Chloroethane, total weight | monthly average | ≤ 104 ug/L | all year | S004 |
| Chloroethane, total weight | daily maximum | ≤ 278 ug/L | all year | S004 |
| Diethyl phthalate | monthly average | ≤ 43 ug/L | all year | S004 |
| Diethyl phthalate | daily maximum | ≤ 106 ug/L | all year | S004 |
| Dimethyl phthalate | monthly average | ≤ 18 ug/L | all year | S004 |
| Dimethyl phthalate | daily maximum | ≤ 44 ug/L | all year | S004 |
| Ethylbenzene | monthly average | ≤ 134 ug/L | all year | S004 |
| Ethylbenzene | daily maximum | ≤ 358 ug/L | all year | S004 |
| Fluoranthene | monthly average | ≤ 21 ug/L | all year | S004 |
| Fluoranthene | daily maximum | ≤ 51 ug/L | all year | S004 |
| Fluorene | monthly average | ≤ 18 ug/L | all year | S004 |
| Fluorene | daily maximum | ≤ 44 ug/L | all year | S004 |
| Hexachloroethane | monthly average | ≤ 185 ug/L | all year | S004 |
| Hexachloroethane | daily maximum | ≤ 748 ug/L | all year | S004 |
| Methyl chloride [Chloromethane] | monthly average | ≤ 104 ug/L | all year | S004 |
| Methyl chloride [Chloromethane] | daily maximum | ≤ 278 ug/L | all year | S004 |
| Methylene chloride | monthly average | ≤ 34 ug/L | all year | S004 |
| Methylene chloride | daily maximum | ≤ 160 ug/L | all year | S004 |
| Nitrobenzene | monthly average | ≤ 2107 ug/L | all year | S004 |
| Nitrobenzene | daily maximum | ≤ 6029 ug/L | all year | S004 |
| Phenanthrene | monthly average | ≤ 18 ug/L | all year | S004 |
| Phenanthrene | daily maximum | ≤ 44 ug/L | all year | S004 |
| Pyrene | monthly average | ≤ 19 ug/L | all year | S004 |
| Pyrene | daily maximum | ≤ 45 ug/L | all year | S004 |
| Tetrachloroethylene | monthly average | ≤ 49 ug/L | all year | S004 |
| Tetrachloroethylene | daily maximum | ≤ 154 ug/L | all year | S004 |
| 1,1-Dichloroethane | monthly average | ≤ 21 ug/L | all year | S004 |
| 1,1-Dichloroethane | daily maximum | ≤ 56 ug/L | all year | S004 |
| 1,1-Dichloroethylene | monthly average | ≤ 21 ug/L | all year | S004 |
| 1,1-Dichloroethylene | daily maximum | ≤ 57 ug/L | all year | S004 |
| 1,1,1-Trichloroethane | monthly average | ≤ 21 ug/L | all year | S004 |
| 1,1,1-Trichloroethane | daily maximum | ≤ 56 ug/L | all year | S004 |
| 1,1,2-Trichloroethane | monthly average | ≤ 30 ug/L | all year | S004 |
| 1,1,2-Trichloroethane | daily maximum | ≤ 120 ug/L | all year | S004 |
| 1,2-Dichloroethane, total weight | monthly average | ≤ 170 ug/L | all year | S004 |
| 1,2-Dichloroethane, total weight | daily maximum | ≤ 541 ug/L | all year | S004 |
| 1,2-Dichlorobenzene | monthly average | ≤ 185 ug/L | all year | S004 |
| 1,2-Dichlorobenzene | daily maximum | ≤ 748 ug/L | all year | S004 |
| 1,2-Dichloropropane | monthly average | ≤ 185 ug/L | all year | S004 |
| 1,2-Dichloropropane | daily maximum | ≤ 748 ug/L | all year | S004 |
| 1,2,4-Trichlorobenzene | monthly average | ≤ 185 ug/L | all year | S004 |
| 1,2,4-Trichlorobenzene | daily maximum | ≤ 748 ug/L | all year | S004 |
| 1,3-Dichlorobenzene | monthly average | ≤ 134 ug/L | all year | S004 |
| 1,3-Dichlorobenzene | daily maximum | ≤ 358 ug/L | all year | S004 |
| 1,4-Dichlorobenzene | monthly average | ≤ 134 ug/L | all year | S004 |
| 1,4-Dichlorobenzene | daily maximum | ≤ 358 ug/L | all year | S004 |
| 2-Nitrophenol | monthly average | ≤ 61 ug/L | all year | S004 |
| 2-Nitrophenol | daily maximum | ≤ 218 ug/L | all year | S004 |
| 4-Nitrophenol | monthly average | ≤ 153 ug/L | all year | S004 |
| 4-Nitrophenol | daily maximum | ≤ 542 ug/L | all year | S004 |
| 4,6-Dinitro-o-cresol | monthly average | ≤ 73 ug/L | all year | S004 |
| 4,6-Dinitro-o-cresol | daily maximum | ≤ 261 ug/L | all year | S004 |
| Naphthalene | monthly average | ≤ 18 ug/L | all year | S004 |
| Naphthalene | daily maximum | ≤ 44 ug/L | all year | S004 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | ≤ 89 ug/L | all year | S004 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ 243 ug/L | all year | S004 |
| Di-n-butyl phthalate | monthly average | ≤ 19 ug/L | all year | S004 |
| Di-n-butyl phthalate | daily maximum | ≤ 40 ug/L | all year | S004 |
| Vinyl chloride | monthly average | ≤ 91 ug/L | all year | S004 |
| Vinyl chloride | daily maximum | ≤ 162 ug/L | all year | S004 |
| Trichloroethylene | monthly average | ≤ 24 ug/L | all year | S004 |
| Trichloroethylene | daily maximum | ≤ 65 ug/L | all year | S004 |
| Hexachlorobenzene | monthly average | ≤ 185 ug/L | all year | S004 |
| Hexachlorobenzene | daily maximum | ≤ 748 ug/L | all year | S004 |
| Hexachlorobutadiene | monthly average | ≤ 134 ug/L | all year | S004 |
| Hexachlorobutadiene | daily maximum | ≤ 358 ug/L | all year | S004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | S004 |
| 1,3-Dichloropropene | monthly average | ≤ 185 ug/L | all year | S004 |
| 1,3-Dichloropropene | daily maximum | ≤ 748 ug/L | all year | S004 |
| trans-1,2-Dichloroethylene | monthly average | ≤ 24 ug/L | all year | S004 |
| trans-1,2-Dichloroethylene | daily maximum | ≤ 62 ug/L | all year | S004 |
Cited limits by parameter: Minnesota's rules and the federal ones.
Same industry: the 15 Chemicals and Allied Products permits in Minnesota.
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