Monitoring data 2000/2001
| East Providence 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 | 6.4 | 6.3 | -0.10 | 2.20 | 10.6 | 8.40 | 0.09 | 2 | 1.91 | 6 | 3.8 | -2.20 | ||||||
| February | 6.8 | 7.7 | 0.90 | 0.10 | 3.9 | 3.80 | 0.08 | 5.8 | 5.72 | 6 | 1 | -5.00 | ||||||
| March | 8.9 | 10.2 | 1.30 | 2.70 | 6.3 | 3.60 | 0.12 | 1.12 | 1.00 | 4.5 | 0.4 | -4.10 | ||||||
| April | 9.2 | 11.1 | 1.90 | 2.20 | 6.2 | 4.00 | 0.16 | 2.9 | 2.74 | 5.1 | 1.8 | -3.30 | ||||||
| May | 8.3 | 6.9 | -1.40 | 1.20 | 2.4 | 1.20 | 0.05 | 0.35 | 0.30 | 8.4 | 9.8 | 1.40 | ||||||
| June | 7.2 | 7.6 | 0.40 | 1.00 | 3.7 | 2.70 | 0.04 | 0.51 | 0.47 | 11.1 | 2.4 | -8.70 | ||||||
| July | 5.7 | 5.9 | 0.20 | 1.80 | 1.7 | -0.10 | 0.11 | 0.3 | 0.19 | 13.5 | 7.3 | -6.20 | ||||||
| August | 5.5 | 5.4 | -0.10 | 3.90 | 1.5 | -2.40 | 0.31 | 0.25 | -0.06 | 12 | 9.3 | -2.70 | ||||||
| September | 5.4 | 5.3 | -0.10 | 3.30 | 2.5 | -0.80 | 0.38 | 0.33 | -0.05 | 9.3 | 6 | -3.30 | ||||||
| October | 5.2 | 4.9 | -0.30 | 3.80 | 1.1 | -2.70 | 0.21 | 0.03 | -0.18 | 13.9 | 9.3 | -4.60 | ||||||
| November | 5.5 | 4.5 | -1.00 | 3.30 | 2.1 | -1.20 | 0.26 | 0.24 | -0.02 | 11.2 | 14.6 | 3.40 | ||||||
| December | 6.5 | 4.5 | -2.00 | 4.2 | 1.4 | -2.80 | 0.52 | 0.03 | -0.49 | 5.2 | 12 | 6.80 | ||||||
| Average change | -0.03 | 1.14 | 0.96 | -2.38 | ||||||||||||||
Maximum Oxygen Demand 2000/2001 (see calculations)
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