EPA · Maryland · discharge permits by parameter

Nitrogen, ammonia total [as N] in Maryland

• 117Permits carrying a limit
• 66With a recorded exceedance
• 21,051Nationwide

A parameter is the substance or the property EPA writes a numeric limit for, and this page counts the Maryland permits that carry one for Nitrogen, ammonia total [as N]: 117 permits, of which 66 have a recorded exceedance. Nationwide the same parameter appears in 21,051 permits. Each row below is one permit, and it opens the agency’s own record for that permit.

Permits

Other pollutants in Maryland

• Oxygen, dissolved [DO] 131
• BOD, 5-day, 20 deg. C 155
• Oxygen demand, chem. [COD], dissolved 18
• pH 498
• Solids, total suspended 531
• Solids, settleable 83
• Oil & Grease 98
• Nitrogen, total [as N] 141
• Nitrogen, organic total [as N] 82
• Ammonia nitrogen, total, [as N] 30 day 5
• Nitrogen, nitrite total [as N] 24
• Nitrogen, nitrate total [as N] 31
• Nitrogen, Kjeldahl, total [as N] 55
• Nitrite + Nitrate total [as N] 145
• Phosphate, total [as PO4] 27
• Phosphorus, total [as P] 116
• Cyanide, total [as CN] 3
• Cyanide, free [amenable to chlorination] 6
• Hardness, total [as CaCO3] 32
• Calcium, total [as Ca] 3

Nitrogen, ammonia total [as N] nationwide

What this page shows

This page covers Clean Water Act discharge permits in MD with limits on Nitrogen, ammonia total [as N]. It lists 117 permits in MD with a limit on this parameter and 104 permits in MD with a recorded violation of this parameter.