EPA · Iowa · discharge permits by parameter

Benzene in Iowa

• 16Permits carrying a limit
• 6With a recorded exceedance
• 3,849Nationwide

Permits

Other pollutants in Iowa

• Temperature, water deg. fahrenheit 47
• Streamflow 6
• Stream flow, instantaneous 3
• Nitrogen, ammonia per cfs of streamflow 4
• Oxygen, dissolved [DO] 378
• BOD, 5-day, 20 deg. C 509
• Oxygen demand, chem. [high level] [COD] 17
• pH 1,164
• Alkalinity, total [as CaCO3] 4
• Solids, total suspended 1,048
• Solids, Settleable, Net 11
• Solids, settleable 47
• Oil & Grease 100
• Nitrogen, total [as N] 238
• Nitrogen, ammonia total [as N] 863
• Nitrogen, nitrate total [as N] 80
• Nitrogen, Kjeldahl, total [as N] 211
• Phosphorus, total [as P] 191
• Acids, total volatile [as acetic acid] 4
• Cyanide, total [as CN] 30

Benzene nationwide