Water Quality Testing: Lea Navigation/Hertford Union

 

Lea Navigation/Hertford Union
Date Temp DO PH Nitrate Phosphate (Total) Phosphate (Reactive) Turbidity E-Coli Bacteria Ammonia
16/12/13 9 77 7.494 10.7 * * 1.30 * *
27/11/13 9.8 79 7.494 2.9 * * 1.51 3 *
16/10/13 12.7 70 7.825 12.4 * 2.2 0.435 0 0.8
3/10/13 17.4 58 7.72 13.1 * 2.2  1.39 0 0.4
18/9/13 15 64 7.959 10 * 2.5  1.39 1000 0.7
4/9/13 22.1 71 7.576 4 0 2.5 0.81 2000 0.5
20/8/13 21 58 8.08 4.1 * 1.4 1.5 200 0.5
5/8/13 22.1 60 8.09 4.6 * 1.2 1.02 0 0.5
17/7/13 23.1 53 8.12 4.1 * 1.8 0.86 0 0.5
2/7/13 17.4 64 8.62 7.7 0 2.3 1.5 0 0.5
19/6/13 19.6 62 7.81 1 0 1.3 1.71 1000 0.6
5/6/13 17.8 68 8.37 7.3 0 2.2 1.3 0 2
22/5/13 13.8 67 8.37 3.8 0 1.1 4.1 100 0.5
7/5/13 17.8 75 8.4 7.2 0 0.9 9 0 *
30/4/13 14.4 72 8.71 7.1 0 2 4.6 0 *
20/3/13 7.2 79 7.97 6.1 0 1.6 13.6 0 *
6/3/13 9.3 67 8.1 3.2 0 0.9 2.5 0 *
20/2/12 7.1 79 7.37 6.2 0.3 0 4.1 500 *
4/2/13 8.4 75 7.56 6.2 0.7 2.5 9 0 *
23/1/13 3.9 73 7.74 4 0 0.7 24 300 *
9/1/13 9.3 65 7.6 4.4 0.4 1.3 4.5 0 *
10/12/12 6.3 79 7.77 4.2 0.7 3 5.1 0 *
28/11/12 8.5 69 7.66 12 0.1 0.8 4.2 2000 *
14/11/12 13.3 68 7.55 3.1 2 1.2 3.5 * *
29/10/12 13 65 8.08 4.4 9.4 1.8 6.8 200 *
15/10/12 13.2 62 8.23 2.6 1.8 0.9 5.4 200 *
3/10/12 15.8 50 7.79 2.4 3.4 3.2 15 0 *
24/9/12 * * * * * * * * **
5/9/12 * * * * * * * * *
22/8/12 * * * * * * * * *
8/8/12 * * * * * * * * *
25/7/12 * * * * * * * * *
9/7/12 19.3 72 8.35 2.4 2.1 2.2 7.4 0 *
27/6/12 20 43 8.69 1,8 2.8 2.5 16.5 0 *
12/6/12 15.7 85 7.53 0.9 * * 16.4 4500 *
30/5/12 23 66 7.94 2.1 1.7 5.8 12.6 * *
16/5/12 16 75 8.05 0.9 1.7 4.5 2.1 0 *
1/5/12 14.2 40 * 0.6 0.0 1.6 2.1 * *
18/4/12 11.2 65 7.50 1.4 9.4 7.1 3.3 0 *
21/3/12 14.8 88 7.60 1.8 8.4 6.4 3.2 0 *
7/3/12 9 78 7.40 3.2 1.1 7.2 3.6 0 *
22/2/12 11 63 7.30 2.1 8.8 7.6 2.9 500 *
8/2/12 5 66 6.90 3.3 8.6 8.1 22.0 TNTC *
25/1/12 11 70 7.10 2.1 5.6 7.9 11.0 9400 *
11/1/12 12 66 7.30 3.5 12.4 7.5 4.1 6600 *
5/12/11 10.5 75 6.90 3.3 13.7 5.2 2.3 900 *
21/11/11 11.75 40 6.80 0.8 10.0 9.9 2.4 300 *
11/11/11 12.8 27 7.10 13.6 7.8 6.1 12.0 0 *
24/10/11 14.6 27 7.57 9.0 5.9 8.9 3.0 0 *
10/10/11 16.6 37.5 7.83 6.5 1.2 4.1 4.0 18300 *
27/9/11 17.6 46 8.00 4.8 0.0 4.6 1.8 100 *
15/9/11 19.4 42 7.58 5.2 1.8 7.3 3.0 0 *
30/8/11 17.8 40 7.73 4.0 4.0 4.5 2.8 0 *
15/8/11 22 4 8.30 3.8 0.0 1.7 3.2 0 *
1/8/11 24 77 8.42 3.5 0.0 3.5 2.0 0 *
18/7/11 19.44 62 8.08 4.2 4.2 4.2 2.7 2600 *
4/7/11 * * 8.31 2.2 0.0 6.11 16.4 0 *
20/6/11 * * 8.34 0.4 2.3 5.2 1.4 200 *
6/6/11 * * 8.40 6.7 5.2 2.0 3.1 * *
17/5/11 18.5 72.5 8.04 4.2 7.3 9.5 1.0 * *