NORTH ATTLEBOROUGH WASTEWATER TREATMENT FACILITY   
Cedar Road, Attleboro, MA 02703 
MAP TO FACILITY
watershed: Narragansett
discharges into:  Ten Mile River
NPDES# MA0101036
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Monitoring data 2000/2001

North Attleboro WWTF
monitoring period end date 50050              quantity  MGD   (average) flow 00600  concentration mg/l (maximum)        nitrogen total (as N) 00610  concentration  mg/l (maximum) ammonia total (as N) 00615  concentration) mg/l (maximum)    nitrite total (as N) 00620 concentration  mg/l (maximum)   nitrate total (as N) 00630  concentration  mg/l (maximum) nitrite plus nitrate total (as N)
  2000 2001 change 2000 2001 change 2000 2001 change 2000 2001 change 2000 2001 change 2000 2001 change
January 2.98 2.09 -0.89 18 4.29 -13.71                        
February 3.76 2.98 -0.78 16 9 -7                        
March 4.73 5.37 0.64 11 7 -4                        
April 4.76 3.89 -0.87 8.93 5 -3.93                        
May 3.69 1.72 -1.97 9.8 15 5.2                        
June 2.68 2.62 -0.06 11 7 -4 1.40 0.1 -1.3                  
July 1.81 1.87 0.06 6.2 23 16.8 3.80 0.1 -3.7                  
August 1.87 1.64 -0.23 9.5 12 2.5 1.15 0.2 -0.95                  
September 1.60 1.57 -0.03 11 1 -10 0.46 0.3 -0.16                  
October 1.62 1.39 -0.23 13 13 0                        
November 1.98 1.88 -0.10 14 16 2                        
December 2.89 2.78 -0.11 13 10 -3.00                        
Average change   -0.38     -1.60     -1.53                  

Maximum Oxygen Demand 2000/2001  (see calculations)