Gloucester Effluent Results EPA id point No 3

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Sample Date Date Published Date Obtained Program Program Code Comments Total Suspended Solids
(mg/L)
Biochemical Oxygen Demand
(mg/l)
Ammonia
(mg/l)
Total Nitrogen
(mg/L)
27/03/2012 11/07/2016 11/07/2016 Gloucester STP Wetland Effluent MCW514 = 2 = 5 = 1.52 = 4.34
26/04/2012 13/08/2012 13/08/2012 Gloucester STP Wetland Effluent MCW514 = 6 = 3 = 4.77 = 9.8
08/05/2012 13/08/2012 13/08/2012 Gloucester STP Wetland Effluent MCW514 = 10 = 11 = 4.1 = 39.2
22/06/2012 13/08/2012 13/08/2012 Gloucester STP Wetland Effluent MCW514 < 2 < 2 = 0.68 = 7.84
17/07/2012 13/08/2012 13/08/2012 Gloucester STP Wetland Effluent MCW514 = 2 < 2 = 4.07 = 11.4
14/08/2012 31/08/2012 31/08/2012 Gloucester STP Wetland Effluent MCW514 < 2 < 2 = 4.26 = 10.7
11/09/2012 20/09/2012 20/09/2012 Gloucester STP Wetland Effluent MCW514 = 2 < 2 = 0.74 = 5.53
09/10/2012 19/10/2012 19/10/2012 Gloucester STP Wetland Effluent MCW514 = 15 = 6 = 0.2 = 3.66
07/11/2012 23/11/2012 23/11/2012 Gloucester STP Wetland Effluent MCW514 = 6 = 5 = 1.78 = 3.9
04/12/2012 13/12/2012 13/12/2012 Gloucester STP Wetland Effluent MCW514 = 11 = 8 = 1 = 3.66
03/01/2013 29/01/2013 29/01/2013 Gloucester STP Wetland Effluent MCW514 = 6 = 8 = 1.01 = 2.94
30/01/2013 13/02/2013 13/02/2013 Gloucester STP Wetland Effluent MCW514 = 11 = 5 = 2.14 = 5.6
26/02/2013 12/03/2013 12/03/2013 Gloucester STP Wetland Effluent MCW514 = 12 = 3 = 2.14 = 8.41
26/03/2013 04/04/2013 04/04/2013 Gloucester STP Wetland Effluent MCW514 = 15 = 4 = 0.63 = 2.35
23/04/2013 09/05/2013 09/05/2013 Gloucester STP Wetland Effluent MCW514 = 15 = 4 = 0.48 = 3.96
21/05/2013 28/06/2013 28/06/2013 Gloucester STP Wetland Effluent MCW514 = 59 < 2 = 4.87 = 9.23
18/06/2013 28/06/2013 28/06/2013 Gloucester STP Wetland Effluent MCW514 = 23 = 2 = 6.65 = 13.4
16/07/2013 25/07/2013 25/07/2013 Gloucester STP Wetland Effluent MCW514 = 32 < 2 = 6.12 = 10.4
13/08/2013 03/09/2013 03/09/2013 Gloucester STP Wetland Effluent MCW514 = 60 = 3 = 8.19 = 15.5
22/08/2013 03/09/2013 03/09/2013 Gloucester STP Wetland Effluent MCW514 re sample of SS from monthly = 6
10/09/2013 19/09/2013 19/09/2013 Gloucester STP Wetland Effluent MCW514 = 41 = 12 = 3.6 = 12.5
09/10/2013 22/10/2013 22/10/2013 Gloucester STP Wetland Effluent MCW514 = 11 = 4 = 0.46 = 2.84
06/11/2013 05/12/2013 05/12/2013 Gloucester STP Wetland Effluent MCW514 = 2 = 2 = 0.96 = 2.88
03/12/2013 06/01/2014 06/01/2014 Gloucester STP Wetland Effluent MCW514 = 24 = 8 = 0.77 = 3.86
02/01/2014 14/01/2014 14/01/2014 Gloucester STP Wetland Effluent MCW514 = 6 = 8 = 0.98 = 3.26
29/01/2014 12/02/2014 12/02/2014 Gloucester STP Wetland Effluent MCW514 = 12 = 7 = 1.15 = 4.01
25/02/2014 05/03/2014 05/03/2014 Gloucester STP Wetland Effluent MCW514 = 9 = 9 = 2.28 = 4.43
25/03/2014 08/04/2014 08/04/2014 Gloucester STP Wetland Effluent MCW514 = 42 = 4 = 1.33 = 4.07
22/04/2014 12/05/2014 12/05/2014 Gloucester STP Wetland Effluent MCW514 = 67 = 21 = 1.26 = 4.51
17/06/2014 26/06/2014 26/06/2014 Gloucester STP Wetland Effluent MCW514 = 6 = 3 = 5.29 = 16
15/07/2014 24/07/2014 24/07/2014 Gloucester STP Wetland Effluent MCW514 = 22 = 12 = 7.95 = 25.1
12/08/2014 25/08/2014 25/08/2014 Gloucester STP Wetland Effluent MCW514 = 58 = 9 = 9.62 = 18.2
09/09/2014 26/09/2014 26/09/2014 Gloucester STP Wetland Effluent MCW514 = 12 = 8 = 6.34 = 21.38
08/10/2014 28/10/2014 28/10/2014 Gloucester STP Wetland Effluent MCW514 = 10 = 3 = 0.57 = 3.48
05/11/2014 25/11/2014 25/11/2014 Gloucester STP Wetland Effluent MCW514 = 21 = 8 = 1.93 = 5.56
02/12/2014 12/12/2014 12/12/2014 Gloucester STP Wetland Effluent MCW514 note high chlorophyll-a results deem high pH, SS and BOD as not been non conformance = 180 = 21 = 0.96 = 7.83
30/12/2014 12/01/2015 12/01/2015 Gloucester STP Wetland Effluent MCW514 Note chlorophyll-a above 100ug/L, therefore suspended solids concentration not considered a non conformance. = 38 = 6 = 0.33 = 5.18
28/01/2015 17/02/2015 17/02/2015 Gloucester STP Wetland Effluent MCW514 = 44 = 5 = 0.98 = 7.03
24/02/2015 06/03/2015 06/03/2015 Gloucester STP Wetland Effluent MCW514 = 47 = 8 = 0.61 = 6.44
21/04/2015 01/06/2015 01/06/2015 Gloucester STP Wetland Effluent MCW514 = 7 < 2 = 5.54 = 7.7
19/05/2015 04/06/2015 04/06/2015 Gloucester STP Wetland Effluent MCW514 = 28 = 4 = 1.64 = 8.2
16/06/2015 06/07/2015 06/07/2015 Gloucester STP Wetland Effluent MCW514 = 6 = 6 = 9.08 = 26.6
29/07/2015 29/07/2015 29/07/2015 Gloucester STP Wetland Effluent MCW514 = 34 = 4 = 3.6 = 17.1
11/08/2015 25/08/2015 25/08/2015 Gloucester STP Wetland Effluent MCW514 = 66 = 17 = 3.38 = 17.64
08/09/2015 07/10/2015 07/10/2015 Gloucester STP Wetland Effluent MCW514 = 110 = 5 = 13.6 = 21.1
07/10/2015 27/10/2015 27/10/2015 Gloucester STP Wetland Effluent MCW514 = 32 = 4 = 14.32 = 19.89
04/11/2015 20/11/2015 20/11/2015 Gloucester STP Wetland Effluent MCW514 = 4 = 4 = 10.8 = 15.8
01/12/2015 22/12/2015 22/12/2015 Gloucester STP Wetland Effluent MCW514 = 9 = 5 = 0.56 = 3.7
30/12/2015 22/01/2016 22/01/2016 Gloucester STP Wetland Effluent MCW514 = 29 = 7 = 1.64 = 6.36
27/01/2016 11/02/2016 11/02/2016 Gloucester STP Wetland Effluent MCW514 = 6 = 3 = 2.5 = 7.38
23/02/2016 06/04/2016 06/04/2016 Gloucester STP Wetland Effluent MCW514 = 13 = 3 = 0.12 = 1.38
22/03/2016 06/04/2016 06/04/2016 Gloucester STP Wetland Effluent MCW514 = 9 = 2 = 0.35 = 1.89
19/04/2016 05/05/2016 05/05/2016 Gloucester STP Wetland Effluent MCW514 = 17 = 3 = 0.08 = 2.58
17/05/2016 30/05/2016 30/05/2016 Gloucester STP Wetland Effluent MCW514 = 25 = 16 = 0.54 = 5.04
12/07/2016 22/07/2016 22/07/2016 Gloucester STP Wetland Effluent MCW514 = 26 = 10 = 0.27 = 13.1
09/08/2016 31/08/2016 31/08/2016 Gloucester STP Wetland Effluent MCW514 = 4 = 4 = 6.81 = 15.4
06/09/2016 19/09/2016 19/09/2016 Gloucester STP Wetland Effluent MCW514 < 5 < 2 = 0.04 = 6.04
05/10/2016 25/10/2016 25/10/2016 Gloucester STP Wetland Effluent MCW514 = 98 = 6 = 0.24 = 2.28
02/11/2016 18/11/2016 18/11/2016 Gloucester STP Wetland Effluent MCW514 < 2 < 2 = 0.08 = 1.49
24/01/2017 13/02/2017 13/02/2017 Gloucester STP Wetland Effluent MCW514 = 56 = 12 = 0.07 = 2.62
21/03/2017 04/04/2017 04/04/2017 Gloucester STP Wetland Effluent MCW514 = 32 = 4 = 2.65 = 8.94
19/04/2017 10/05/2017 10/05/2017 Gloucester STP Wetland Effluent MCW514 = 33 = 3 = 0.52 = 2.02
16/05/2017 31/05/2017 31/05/2017 Gloucester STP Wetland Effluent MCW514 = 31 < 2 = 0.86 = 3.98
20/06/2017 10/07/2017 10/07/2017 Gloucester STP Wetland Effluent MCW514 = 9 < 2 = 2.96 = 11.2
11/07/2017 28/07/2017 28/07/2017 Gloucester STP Wetland Effluent MCW514 = 21 = 6 = 0.29 = 10.7
08/08/2017 29/08/2017 29/08/2017 Gloucester STP Wetland Effluent MCW514 = 33 = 7 = 1.3 = 12.6
05/09/2017 22/09/2017 22/09/2017 Gloucester STP Wetland Effluent MCW514 = 32 = 2 = 0.42 = 4.19
04/10/2017 23/10/2017 23/10/2017 Gloucester STP Wetland Effluent MCW514 = 32 = 7 = 0.29 = 3.61
31/10/2017 13/11/2017 13/11/2017 Gloucester STP Wetland Effluent MCW514 = 17 = 6 = 0.5 = 9
28/11/2017 12/12/2017 12/12/2017 Gloucester STP Wetland Effluent MCW514 = 5 < 2 = 0.28 = 2.72
28/12/2017 08/01/2018 08/01/2018 Gloucester STP Wetland Effluent MCW514 = 16 = 5 = 0.23 = 2.27
23/01/2018 27/02/2018 27/02/2018 Gloucester STP Wetland Effluent MCW514 algae growth in ponds Chlorophyll-a 177.6 in maturation pond. Limited discharge only 1.2kL. effluent to recycled water. = 23 = 7 = 0.25 = 4.77
20/02/2018 12/03/2018 12/03/2018 Gloucester STP Wetland Effluent MCW514 Note chlorophyll-a above 200ug/L. Therefore high result for suspended solids not considered a non compliance due to algae growth. = 38 = 18 = 3.06 = 7.76
20/03/2018 03/04/2018 03/04/2018 Gloucester STP Wetland Effluent MCW514 Chlorophyll-a result above 100ug/L, pH result not considered a non compliance, Algae growth. = 26 = 7 = 0.04 = 2.68
17/04/2018 02/05/2018 02/05/2018 Gloucester STP Wetland Effluent MCW514 Chlorophyll-a result above 100ug/L, pH result not considered a non compliance, Algae growth = 27 = 7 = 0.39 = 3.12
15/05/2018 06/06/2018 06/06/2018 Gloucester STP Wetland Effluent MCW514 Chlorophyll-a above 100ug/L suspended solids result not considered a non compliance. = 41 = 12 = 0.053 = 7.24
13/06/2018 26/06/2018 26/06/2018 Gloucester STP Wetland Effluent MCW514 = 17 = 2 = 2.24 = 11.2
10/07/2018 30/07/2018 30/07/2018 Gloucester STP Wetland Effluent MCW514 = 16 = 6 = 3.436 = 11.7
07/08/2018 22/08/2018 22/08/2018 Gloucester STP Wetland Effluent MCW514 Not deemed a non compliance when Chlorophyll-a exceeds 100ug/L. Chlorophyll-a is 408ug/L = 36 = 16 = 0.6 = 14.4
03/10/2018 26/10/2018 26/10/2018 Gloucester STP Wetland Effluent MCW514 = 3 = 3 = 1.01 = 9.93
22/11/2018 22/11/2018 22/11/2018 Gloucester STP Wetland Effluent MCW514 = 26 = 11 = 1.71 = 9.17
18/12/2018 22/01/2019 22/01/2019 Gloucester STP Wetland Effluent MCW514 = 24 = 9 = 0.333 = 5.19
19/03/2019 17/04/2019 17/04/2019 Gloucester STP Wetland Effluent MCW514 = 21 < 2 = 0.02 = 0.42
16/04/2019 27/05/2019 27/05/2019 Gloucester STP Wetland Effluent MCW514 TSS and pH results not deemed non compliance, as chlorophyll a result was > 100 ug/L, demonstrating significant algae growth. Stated in licence condition L3.5. = 70 = 13 = 0.18
14/05/2019 13/06/2019 13/06/2019 Gloucester STP Wetland Effluent MCW514 = 26 = 10 = 0.15
09/07/2019 02/08/2019 02/08/2019 Gloucester STP Wetland Effluent MCW514 = 11 = 5 = 0.9
06/08/2019 26/08/2019 26/08/2019 Gloucester STP Wetland Effluent MCW514 = 7 = 3 = 9.95 = 15.4
03/09/2019 17/10/2019 17/10/2019 Gloucester STP Wetland Effluent MCW514 = 5 = 4 = 9.33 = 17.2
01/10/2019 17/10/2019 17/10/2019 Gloucester STP Wetland Effluent MCW514 High chlorophyll-a result. Result for pH, SS, BOD not deemed as Non compliance when Chlorophyll-a above 200ug/L. = 55 = 37 = 0.19 = 9.2
29/10/2019 25/11/2019 25/11/2019 Gloucester STP Wetland Effluent MCW514 = 26 = 7 = 3.47 = 7.58
21/01/2020 24/02/2020 24/02/2020 Gloucester STP Wetland Effluent MCW514 High result for suspended solids and BOD from algae growth. Not deemed a non compliance as chlorophyll-a above 200ug/L = 49 = 44 = 0.06 = 7.95
18/02/2020 01/04/2020 01/04/2020 Gloucester STP Wetland Effluent MCW514 BOD result of 25mg/L. Corresponding effluent and maturation pond both 6mg/L on 18/2/20. Ammonia at wetland 0.06mg/L indicating good oxidation of nitrogen. Result suggest from natural occurrence of wetland ecology. Downstream river sample of dissolved oxygen 7.27mg/L - 81.5 % saturation = 12 = 25 = 0.06 = 4.94
17/03/2020 01/04/2020 01/04/2020 Gloucester STP Wetland Effluent MCW514 = 12 = 11 = 0.44 = 4.35
15/04/2020 17/06/2020 17/06/2020 Gloucester STP Wetland Effluent MCW514 = 6 = 7 = 2.48 = 5.47
12/05/2020 17/06/2020 17/06/2020 Gloucester STP Wetland Effluent MCW514 = 8 = 6 = 0.327 = 3.64
07/07/2020 21/07/2020 21/07/2020 Gloucester STP Wetland Effluent MCW514 = 6 = 6 = 19 = 21.9
04/08/2020 25/08/2020 25/08/2020 Gloucester STP Wetland Effluent MCW514 Gloucester STP is a trickle filter.Nitrification of ammonia relies upon biological processes. The cold weather has slowed down natural biological processes = 13 = 8 = 18.1 = 25.6
01/09/2020 22/09/2020 22/09/2020 Gloucester STP Wetland Effluent MCW514 = 45 = 18 = 8.26 = 5.97
29/09/2020 01/12/2020 01/12/2020 Gloucester STP Wetland Effluent MCW514 Chlorophyll-a = 258ug/L when greater than 200- ph BOD SS not considered a noncompliance as algae growth is evident = 78 = 16 = 8.26 = 20.2
27/10/2020 15/12/2020 15/12/2020 Gloucester STP Wetland Effluent MCW514 nitrification limited from high flow through plant from rainfall. = 25 = 11 = 11 = 14.4
24/11/2020 15/12/2020 15/12/2020 Gloucester STP Wetland Effluent MCW514 chlorophyll-a above 200ug/L. Suspended solids not deemed a non compliance- associated algae growth = 73 = 18 = 0.56 = 5.59
15/12/2020 13/01/2021 13/01/2021 Gloucester STP Wetland Effluent MCW514 pH and TSS not deemed a non-compliance as Chlorophyll A result 320 ug/L = 36 = 16 = 0.32 = 6.99

Average:

26.05 7.61 2.92 8.87

Maximum Reading:

180 44 19 39.2

Minimum Reading:

2 2 0.02 0.42