EPA · discharge permits by pollutant and parameter

Biotic Index

• 35Permits carrying a limit
• 14With a recorded exceedance
• 1States

EPA identifies this parameter by code 46356. A permit listed here carries a numeric limit on biotic index in its discharge; an exceedance is a monitoring result above that limit, as reported to EPA.

By state

• Kentucky35

By watershed

The subbasins of the national Watershed Boundary Dataset carrying the most permits with a limit on biotic index.

• Subbasin 0513010118
• Subbasin 050702038
• Subbasin 051100063

Other pollutants

• Temperature rise, length of excursion 3
• Temperature, length of excursion 24
• Fish feed used 48
• Biomass, fish 53
• Floating solids, waste or visible foam-visual 371
• Sanitary waste discharged-assessmnt 39
• Phenols 343
• Hydrocarbons, total gas chromatograph 48
• Chloride 677
• Phosphorus, brays 7
• 2,2-Dichloropropane 4
• Toxicity characteristic leaching procedure 1,854
• Copper, dry weight 2,339
• Cadmium, dry weight 2,339
• Equipment inspection - visual 125
• Rainfall 2,913
• Hardness, Ca Mg Calculated [mg/L as CaCO3] 92
• Methylene blue active substances 39
• BOD, 5-day, 20 deg C per cfs of streamflw 4
• Salinity [PSU] 6

Permits

What this page shows

This page covers Clean Water Act discharge permits in the EPA NPDES register with limits on the pollutant parameter Biotic Index. It lists 35 permits with a limit on this parameter and 35 permits with a recorded violation of this parameter.