EPA · subbasin 04100007 · discharge permits by parameter

Toxicity [chronic], Pimephales promelas [Fathead Minnow] in subbasin 04100007

• 5Permits carrying a limit
• 1With a recorded exceedance
• 847Nationwide

A subbasin is a unit of the national Watershed Boundary Dataset, and water crosses state lines: a permit is placed here by the outfall EPA names as its representative discharge point.

5 of the permits in subbasin 04100007 carry a numeric limit on Toxicity [chronic], Pimephales promelas [Fathead Minnow], and 1 of those have a recorded exceedance. Nationwide the same parameter appears in 847 permits. A permit carrying several parameters is counted under each of them, so the parameter counts for one subbasin add up to more permits than it holds. The other parameters named in this subbasin are listed below.

Permits

Other pollutants in subbasin 04100007

• Flow, in conduit or thru treatment plant 58
• Chlorine, total residual 25
• Mercury, total low level 15
• Biosolids weight indluding admixtures 19
• Cyanide, free available 4
• Bypass Volume 4
• Sludge weight, dry 11
• Toxicity [acute], Ceriodaphnia dubia 7
• Toxicity [chronic], Ceriodaphnia dubia 5
• Toxicity [acute], Pimephales promelas [Fathead Minnow] 7
• pH, maximum 6
• pH, minimum 6
• Solids, total dissolved- 180 deg. C 18
• Mercury, tot in bot deposits [dry wgt] 11
• Overflows 25
• Overflow volume [SS0 volume, CSO volume] 5
• Molybdenum, sludge, total, dry weight [as Mo] 11
• BOD, carbonaceous [5 day, 20 C] 47
• Sludge waste from secondary clarifiers 29
• Bypass valve 5

Toxicity [chronic], Pimephales promelas [Fathead Minnow] nationwide · Subbasin 04100007, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 04100007 with limits on the pollutant parameter Toxicity [chronic], Pimephales promelas [Fathead Minnow]. It lists 5 permits in this watershed with a limit on this parameter and 3 permits in this watershed with a recorded violation of this parameter.