EPA · subbasin 12100402 · discharge permits by parameter
pH in subbasin 12100402
- 15Permits carrying a limit
- 11With 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.
15 of the permits in subbasin 12100402 carry a numeric limit on pH, and 11 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 12100402
- Oxygen, dissolved [DO] 8
- BOD, 5-day, 20 deg. C 6
- Solids, total suspended 14
- Oil & Grease 6
- Nitrogen, ammonia total [as N] 4
- Arsenic, total [as As] 7
- Arsenic, dry weight 6
- Barium, total [as Ba] 7
- Cadmium, total [as Cd] 7
- Chromium, total [as Cr] 7
- Copper, total [as Cu] 9
- Lead, total [as Pb] 7
- Manganese, total [as Mn] 7
- Nickel, total [as Ni] 13
- Silver, total [as Ag] 7
- Zinc, total [as Zn] 8
- Selenium, total [as Se] 7
- Selenium, dry weight 6
- Whole effluent toxicity - retest #1 6
- Whole effluent toxicity - retest #2 6
pH nationwide · Subbasin 12100402, every permit
What this page shows
The page covers Clean Water Act discharge permits in watershed 12100402 with limits on the pollutant parameter pH. It lists 15 permits in this watershed with a limit on this parameter and 15 permits in this watershed with a recorded violation of this parameter.