EPA · Illinois · discharge permits by parameter

Oxygen demand, chem. [high level] [COD] in Illinois

• 7Permits carrying a limit
• 1With a recorded exceedance
• 2,057Nationwide

A parameter is the substance or the property EPA writes a numeric limit for, and this page counts the Illinois permits that carry one for Oxygen demand, chem. [high level] [COD]: 7 permits, of which 1 have a recorded exceedance. Nationwide the same parameter appears in 2,057 permits. Each row below is one permit, and it opens the agency’s own record for that permit.

Permits

Other pollutants in Illinois

• Temperature, water deg. centigrade 4
• Temperature, water deg. fahrenheit 351
• Flow rate 4
• Color 6
• Odor [Threshold Number] 6
• Specific conductance 8
• Sulfate [as S] 26
• Oxygen, dissolved [DO] 1,233
• BOD, 5-day, 20 deg. C 1,566
• pH 2,255
• Alkalinity, total [as CaCO3] 115
• Acidity, total [as CaCO3] 62
• Solids, total suspended 2,146
• Solids, settleable 62
• Oil & Grease 361
• Nitrogen, total [as N] 248
• Nitrogen, ammonia total [as N] 1,320
• Nitrogen, nitrate total [as N] 19
• Nitrogen, Kjeldahl, total [as N] 41
• Nitrite + Nitrate total [as N] 59

Oxygen demand, chem. [high level] [COD] nationwide

What this page shows

This page covers Clean Water Act discharge permits in IL with limits on the pollutant parameter Oxygen demand, chem. [high level] [COD]. It lists 7 permits in IL with a limit on this parameter and 12 permits in IL with a recorded violation of this parameter.