EPA · subbasin 17100103 · discharge permits by parameter
Zinc, total [as Zn] in subbasin 17100103
- 55Permits carrying a limit
- 20With a recorded exceedance
- 9,358Nationwide
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.
55 of the permits in subbasin 17100103 carry a numeric limit on Zinc, total [as Zn], and 20 of those have a recorded exceedance. Nationwide the same parameter appears in 9,358 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 17100103
- Oxygen, dissolved [DO] 3
- BOD, 5-day, 20 deg. C 12
- pH 153
- Solids, total suspended 27
- Solids, settleable 3
- Nitrogen, ammonia total [as N] 6
- Nitrite + Nitrate total [as N] 6
- Phosphorus, total [as P] 8
- Copper, total [as Cu] 55
- Lead, total [as Pb] 8
- Chlorine, total residual 4
- BOD, percent removal [total] 4
- Transparency 31
- Total Petroleum Hydrocarbons - Diesel 19
- pH, maximum 3
- pH, minimum 3
- Solids, total dissolved 4
- Coliform, fecal general 5
- Flow 8
- Chemical oxygen demand [COD] 17
Zinc, total [as Zn] nationwide · Subbasin 17100103, every permit
What this page shows
This page from the EPA NPDES register covers Clean Water Act discharge permits in watershed 17100103 with limits on Zinc, total [as Zn]. It lists 55 permits in this watershed with a limit on this parameter and 55 permits in this watershed with a recorded violation of this parameter.