sampling point
Metfield Stream Bridge To Stw
| Description | METFIELD STREAM BRIDGE TO STW |
|---|---|
| Sampling point ID | AN-WAV05330 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 628788 280796 lat lon: 52.377378, 1.359955 |
| Area | Essex Norfolk And Suffolk |
| Sub-Area | Norfolk & Suffolk Team Sub Area |
| Summary | 28 samples taken between 2024 and 2019 |
Determinands
Determinands identify a property which can be measured on a sample or the sampling environment, together with the units in which the result of that measurement will be expressed.
20 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- CHLOROPHYLL
- COD as O2
- Chloride Ion
- Cond @ 25C
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Phosphorus-P
- SiO2 Rv
- Sld Sus@105C
- Temp Water
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 28 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 10 Jun 2021 to 5 Jun 2024
| Notation | Determinand | Units | 10 Jun 2021 09:50 | 5 Jul 2021 11:14 | 9 Aug 2021 11:50 | 2 Sep 2021 10:41 | 13 Oct 2021 09:40 | 8 Nov 2021 11:57 | 1 Dec 2021 14:59 | 8 Apr 2024 09:57 | 9 May 2024 11:02 | 5 Jun 2024 12:30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.04 | 8.31 | 8.33 | 8.29 | |||||||
| 0076 | Temperature of Water | °C | 15.7 | 7.7 | 7.8 | 8.2 | 10.2 | 13 | 12.5 | |||
| 0077 | Conductivity at 25 C | μs/cm | 621 | 835 | 894 | 933 | 824 | 804 | 1024 | |||
| 0085 | BOD : 5 Day ATU | mg/l | 1.1 | 1.5 | 1.2 | 3.7 | 1.1 | 1.7 | 1.1 | |||
| 0092 | Chemical Oxygen Demand :- {COD} | mg/l | 34 | 21 | 24 | |||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | |||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 1.8 | 7.6 | 16 | 22 | 7.2 | 5.3 | 5 | |||
| 0117 | Nitrate as N | mg/l | 1.78 | 7.58 | 16 | 22 | 7.18 | 5.25 | 4.98 | |||
| 0118 | Nitrite as N | mg/l | 0.022 | 0.023 | 0.029 | 0.025 | 0.019 | 0.053 | 0.02 | |||
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00083 | < 0.00046 | < 0.00047 | < 0.00048 | ||||||
| 0135 | Solids, Suspended at 105 C | mg/l | 6.2 | 12 | 7.7 | |||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 200 | 280 | 310 | 290 | ||||||
| 0172 | Chloride | mg/l | 32 | 37 | 37 | |||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.22 | 0.12 | 0.088 | 0.063 | 0.039 | 0.04 | 0.12 | |||
| 0182 | Silica, reactive as SiO2 | mg/l | 3.4 | 1.5 | 9.8 | |||||||
| 7668 | No flow /No sample | 0 | 0 | 0 | ||||||||
| 7887 | Chlorophyll : Acetone Extract | μg/l | 3.4 | 2.8 | 1.7 | |||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 88.8 | 91.9 | 95.3 | 98.4 | 109.5 | 101.5 | 99.5 | |||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.8 | 10.9 | 11.3 | 11.6 | 12.3 | 10.7 | 10.6 |
Samples from 9 Jan 2020 to 6 May 2021
| Notation | Determinand | Units | 9 Jan 2020 10:32 | 6 Feb 2020 14:27 | 2 Mar 2020 11:09 | 15 Oct 2020 13:03 | 5 Nov 2020 10:30 | 9 Dec 2020 10:21 | 13 Jan 2021 11:58 | 12 Mar 2021 10:35 | 7 Apr 2021 10:41 | 6 May 2021 11:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.28 | 8.32 | 8.37 | 8.4 | |||||||
| 0076 | Temperature of Water | °C | 9 | 6 | 6.1 | 6.7 | ||||||
| 0077 | Conductivity at 25 C | μs/cm | 927 | 918 | 828 | 688 | ||||||
| 0085 | BOD : 5 Day ATU | mg/l | 1 | 1.4 | < 1 | 1.7 | 1.3 | 1.9 | 1.1 | < 1 | 2.2 | 1.6 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | |||||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 2.4 | |||||||||
| 0117 | Nitrate as N | mg/l | 2.4 | |||||||||
| 0118 | Nitrite as N | mg/l | < 0.004 | |||||||||
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00043 | |||||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 190 | |||||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.064 | 0.049 | 0.038 | < 0.01 | ||||||
| 0348 | Phosphorus, Total as P | mg/l | 0.068 | 0.048 | 0.047 | |||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 103 | 99.5 | 91.8 | 113.2 | ||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 11.9 | 12.4 | 11.4 | 13.8 |