Monitoring data 2000/2001
| East Greenwich 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 | 0.83 | 0.96 | 0.13 | 11.4 | 9.8 | 0.714 | 0.2 | -0.514 | 0.9 | |||||||||
| February | 0.78 | 0.96 | 0.18 | 20.1 | 9.9 | 0.712 | 1.06 | 0.348 | 5.5 | |||||||||
| March | 0.93 | 1.11 | 0.18 | 13.8 | 9.4 | 1.3 | 0.3 | -1 | 9 | |||||||||
| April | 0.93 | 1.26 | 0.33 | 11.5 | 0.1 | 7.3 | ||||||||||||
| May | 0.99 | 1.15 | 0.16 | 4.7 | 10.4 | 5.7 | 0.28 | 6.1 | ||||||||||
| June | 1.14 | 1.27 | 0.13 | 18.4 | 0.19 | 6 | ||||||||||||
| July | 1.07 | 1.12 | 0.05 | 10.1 | 9.4 | -0.7 | 0.31 | 0.25 | -0.06 | 1.7 | 3.8 | 2.1 | ||||||
| August | 1.11 | 1.16 | 0.05 | 11.5 | 8.9 | -2.6 | 0.78 | 0.35 | -0.43 | 4.19 | 4.7 | 0.51 | ||||||
| September | 1.12 | 1.05 | -0.07 | 21.8 | 12.4 | -9.4 | 0.52 | 0.57 | 0.05 | 4 | 4.3 | 0.3 | ||||||
| October | 1.01 | 0.99 | -0.02 | 63.8 | 8.8 | -55 | 0.46 | 0.53 | 0.07 | 3.4 | 4.1 | 0.7 | ||||||
| November | 1.05 | 0.87 | -0.19 | 32.6 | 8.2 | -24.4 | 0.39 | 0.42 | 0.03 | 0.7 | 5 | 4.3 | ||||||
| December | 1.05 | 0.97 | -0.08 | 14.8 | 12.2 | -2.6 | 0.20 | 0.18 | -0.02 | 1.1 | 8.4 | 7.3 | ||||||
| Average change | 0.07 | -12.71 | -0.17 | 2.54 | ||||||||||||||
Maximum Oxygen Demand 2000/2001 (see calculations)
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