CRANSTON WWTF
140 Pettaconsett Ave., Cranston, RI
MAP TO FACILITY
watershed: Narragansett
discharges into:  Pawtuxet River
NPDES# RI0100013
Permit Compliance System data: (exit this site)
Survey of Wastewater Treatment Facilities in RI for 1998 and 1999 (need Adobe Acrobat Reader)
(back to WWTF main page)

Monitoring data 2000/2001

Cranston 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 12.7 11.20 -1.50   17   13 5.6 -7.4 0.04 0.5 0.46 0.01 10.7 10.69      
February 11.6 12.00 0.40   15.5   19 4.2 -14.8 0.08 0.5 0.42 0.01 8.4 8.39      
March 11.9 16.70 4.80   14.1   14 7.2 -6.8 0.06 0.5 0.44 0.01 6.7 6.69      
April 17.0 16.60 -0.40   23.2   14 14.7 0.7 0 0.1 0.1 0 0.5 0.5      
May 13.5 12.30 -1.20   20.6   14 13.6 -0.4 0.01 1.2 1.19 0.01 6.7 6.69      
June 13.4 13.80 0.40   12.8   14 2.8 -11.2 0.05 0.8 0.75 0.01 9.2 9.19      
July 10.9 11.40 0.50 24.8 20.4 -4.4 22.7 2.5 -20.2 0.76 0.1 -0.66 7.23 8.7 1.47      
August 10.70 10.80 0.10 15.1 14.4 -0.7 3.7 0.6 -3.1 0.04 0 -0.04 8.69 10.4 1.71      
September 10.50 9.40 -1.10 18.9 16.1 -2.8 1.8 8.3 6.5 0.05 0 -0.05 11.9 7.5 -4.4      
October 10.00 9.10 -0.90   34.4   16.4 2.5 -13.9 0.18 0.1 -0.08 11 12 1      
November 10.40 7.70 -2.70 24.8 20.1 -4.7 17 12.6 -4.4 1.00 0.6 -0.4 4.9 9.6 4.7      
December 11.30 7.70 -3.60 17.2 25.4 8.2 2 20.6 18.6 0.20 0.1 -0.1 11.3 0.2 -11.1      
Average change   -0.43     -0.88     -4.70     0.17     2.96      

Maximum Oxygen Demand 2000/2001  (see calculations)