EPA · subbasin 04100007 · discharge permits by parameter

pH in subbasin 04100007

• 70Permits carrying a limit
• 42With a recorded exceedance
• 58,899Nationwide

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.

70 of the permits in subbasin 04100007 carry a numeric limit on pH, and 42 of those have a recorded exceedance. Nationwide the same parameter appears in 58,899 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

• Temperature, water deg. centigrade 38
• Flow rate 18
• Streamflow 11
• Oxygen, dissolved [DO] 47
• BOD, 5-day, 20 deg. C 7
• Oxygen demand, chem. [low level] [COD] 7
• Residue, tot fltrble [dried at 105 C] 3
• Solids, total suspended 70
• Oil and grease [soxhlet extr.] tot. 10
• Oil and grease, hexane extr method 21
• Nitrogen, ammonia total [as N] 49
• Nitrogen, ammonia in bottom deposits 11
• Nitrogen, Kjeldahl, total [as N] 14
• Nitrite + Nitrate total [as N] 35
• Phosphorus, total [as P] 44
• Phosphorous, total, in bottom deposits 11
• Phosphate, ortho, dissolved [as P] 4
• Carbon, tot organic [TOC] 4
• Cyanide, total [as CN] 3
• Hardness, total [as CaCO3] 10

pH 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 pH. It lists 70 permits in this watershed with a limit on this parameter and 57 permits in this watershed with a recorded violation of this parameter.