EPA · Minnesota · discharge permits by parameter

Temp. diff. between samp. & upstrm deg. F in Minnesota

• 4Permits carrying a limit
• 2With a recorded exceedance
• 52Nationwide

Permits

Other parameters in Minnesota

• Solids, total suspended555
• pH525
• Flow, in conduit or thru treatment plant522
• Phosphorus, total [as P]512
• Nitrite + Nitrate total [as N]485
• Nitrogen, Kjeldahl, total [as N]479
• Nitrogen, total [as N]433
• BOD, carbonaceous [5 day, 20 C]431
• Oxygen, dissolved [DO]397
• Precipitation, total defined period/in389
• Coliform, fecal MPN + membrane ftl 44.5 C387
• Nitrogen, ammonia total [as N]222
• Solids, total dissolved218
• Mercury, total [as Hg]157
• Mercury, dissolved [as Hg]130
• Chloride [as Cl]121
• Solids, suspended percent removal117
• BOD, carb-5 day, 20 deg C, percent removal116
• Sulfate, total [as SO4]115
• Chlorine, total residual99
• Specific conductance95
• Hardness, Ca Mg Calculated [mg/L as CaCO3]87
• Bicarbonate ion- [as HCO3]81
• Sodium, total [as Na]79
• Magnesium, total [as Mg]79
• Calcium, total [as Ca]78
• Potassium, total [as K]77
• Temperature, water deg. fahrenheit59
• Copper, total [as Cu]33
• Lead, total [as Pb]22
• Naphthalene19
• Benzene18
• Toluene18
• Ethylbenzene18
• Xylene [mix of m+o+p]17
• Temperature, water deg. centigrade17
• Diesel range organics diesel, total, wtr17
• Pyrene16
• Benzo[b]fluoranthene16
• Benzo[a]pyrene16
• Benzo[ghi]perylene16
• Anthracene16
• Phenanthrene16
• Fluoranthene16
• Fluorene16
• Benzo[a]anthracene16
• Acenaphthene16
• Dibenz[a,h]anthracene16
• Indeno[1,2,3-cd]pyrene16
• Chrysene16
• Benzo[k]fluoranthene16
• Acenaphthylene16
• Organics, gasoline range15
• Zinc, total [as Zn]14
• Iron, total [as Fe]13
• Tetrachloroethylene13
• Trichloroethylene13
• Stream flow, instantaneous12
• Vinyl chloride12
• cis-1,2-Dichloroethene12

Temp. diff. between samp. & upstrm deg. F nationwide