EPA · subbasin 12100401 · discharge permits by parameter

Nitrogen, ammonia total [as N] in subbasin 12100401

• 15Permits carrying a limit
• 8With a recorded exceedance
• 21,051Nationwide

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 12100401 carry a numeric limit on Nitrogen, ammonia total [as N], and 8 of those have a recorded exceedance. Nationwide the same parameter appears in 21,051 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 12100401

• Temperature, water deg. fahrenheit 3
• Oxygen, dissolved [DO] 21
• BOD, 5-day, 20 deg. C 11
• pH 25
• Solids, total suspended 25
• Oil & Grease 3
• Ammonia nitrogen, total, [as N] 30 day 3
• Arsenic, dry weight 10
• Copper, total [as Cu] 6
• Lead, total [as Pb] 3
• Nickel, total [as Ni] 13
• Zinc, total [as Zn] 3
• Selenium, dry weight 10
• Whole effluent toxicity - retest #1 6
• Whole effluent toxicity - retest #2 6
• Fecal coliform 10
• Polychlorinated biphenyls [PCBs] 10
• Toxicity characteristic leaching procedure 10
• Copper, dry weight 10
• Cadmium, dry weight 10

Nitrogen, ammonia total [as N] nationwide · Subbasin 12100401, every permit

What this page shows

This page covers Clean Water Act discharge permits (EPA NPDES register) in watershed 12100401 with limits on Nitrogen, ammonia total [as N]. 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.