sampling point
Flood Relief Channel Downham Bridge
| Description | FLOOD RELIEF CHANNEL DOWNHAM BRIDGE |
|---|---|
| Sampling point ID | AN-56M10 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 560100 303300 lat lon: 52.603887, 0.362723 |
| Area | Cambridgeshire And Bedfordshire |
| Sub-Area | Ely Team Sub Area |
| Summary | 213 samples taken between 2024 and 2000 |
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.
40 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- C - Org Filt
- Ca Filtered
- Calcium - Ca
- Cd Filtered
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- Cr- Filtered
- Cu BLM Bio
- Cu Filtered
- Fe- Filt
- Hardness
- Magnesium-Mg
- Mn BLM Bio
- Mn- Filtered
- N Inorganic
- N Oxidised
- NH3 un-ion
- Ni BLM Bio
- Ni- Filtered
- Nitrate-N
- Nitrite-N
- O Diss %sat
- O Diss% Satn
- O Dissolved
- Orthophospht
- Oxygen Diss
- Pb BLM Bio
- Pb Filtered
- Sld Sus@105C
- Temp Water
- Turbidity
- TurbidityNTU
- Zn BLM Bio
- Zn- Filtered
- pH
- pH Inst unit
Sampling results
Displaying the twenty most recent samples. You can see all 213 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 13 Jul 2023 to 17 Jun 2024
| Notation | Determinand | Units | 13 Jul 2023 11:10 | 16 Aug 2023 09:58 | 18 Sep 2023 08:36 | 3 Oct 2023 15:52 | 6 Nov 2023 15:20 | 5 Dec 2023 15:26 | 2 Jan 2024 12:04 | 9 Feb 2024 14:26 | 5 Mar 2024 15:20 | 17 Jun 2024 12:55 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.04 | 8.07 | 7.74 | 7.92 | 7.71 | 7.54 | 7.94 | 7.77 | 7.76 | 8.13 | |
| 0076 | Temperature of Water | °C | 20 | 19.7 | 19 | 16.8 | 9.7 | 4.8 | 8 | 8 | 7.6 | 17 |
| 0077 | Conductivity at 25 C | μs/cm | 1502 | 986 | 1471 | 898 | 973 | 1256 | 1070 | 1022 | 968 | 788 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.037 | < 0.03 | 0.13 | 0.067 | 0.18 | 0.3 | 0.17 | 0.2 | 0.13 | < 0.03 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 5.1 | 3.4 | 3.1 | 5.1 | 11 | 13 | 11 | 11 | 7.8 | |
| 0117 | Nitrate as N | mg/l | 5.03 | 3.37 | 3.05 | 5.06 | 10.9 | 12.9 | 10.9 | 11 | 7.78 | |
| 0118 | Nitrite as N | mg/l | 0.071 | 0.035 | 0.048 | 0.045 | 0.074 | 0.087 | 0.062 | 0.075 | 0.049 | 0.025 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00139 | < 0.00111 | 0.00255 | 0.00168 | 0.00166 | 0.00131 | 0.00234 | 0.00187 | 0.00115 | < 0.00091 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 230 | 250 | 230 | 230 | 250 | 270 | 280 | 240 | 260 | 270 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.079 | 0.081 | 0.17 | 0.17 | 0.067 | 0.039 | 0.049 | 0.045 | 0.048 | |
| 9901 | Oxygen, Dissolved, % Saturation | % | 91.9 | 105.5 | 67.7 | 77.9 | 77.9 | 83.6 | 90.8 | 88.5 | 91.2 | 102.6 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.34 | 9.63 | 6.26 | 7.54 | 8.84 | 10.7 | 10.7 | 10.5 | 10.9 | 9.89 |
Samples from 14 Nov 2016 to 5 Jun 2023
| Notation | Determinand | Units | 14 Nov 2016 14:03 | 24 Nov 2016 14:28 | 16 Jan 2017 13:26 | 30 Jan 2017 10:35 | 22 Feb 2017 12:15 | 24 Apr 2017 11:26 | 11 May 2017 09:44 | 20 Apr 2023 11:44 | 19 May 2023 12:44 | 5 Jun 2023 10:54 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.87 | 8.68 | 7.89 | 7.94 | 8.42 | ||||||
| 0076 | Temperature of Water | °C | 3.2 | 13 | 12.5 | 15.4 | 16.9 | |||||
| 0077 | Conductivity at 25 C | μs/cm | 1153 | 805 | 1207 | 967 | 822 | |||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.191 | < 0.03 | 0.15 | 0.06 | 0.043 | |||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 7.72 | 7.71 | 10.5 | 11.6 | 11.8 | 6.84 | 6.91 | 12 | 9.4 | 7.4 |
| 0117 | Nitrate as N | mg/l | 7.68 | 7.66 | 10.4 | 11.5 | 11.7 | 6.81 | 6.87 | 12 | 9.35 | 7.35 |
| 0118 | Nitrite as N | mg/l | 0.0352 | 0.0452 | 0.0854 | 0.0725 | 0.0524 | 0.0303 | 0.0381 | 0.039 | 0.051 | 0.048 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00157 | < 0.00068 | 0.00256 | 0.00142 | 0.0013 | |||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 259 | 209 | 250 | 280 | 260 | |||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.145 | < 0.01 | 0.027 | 0.078 | 0.011 | |||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 94.4 | 141.6 | 103.4 | 99.1 | 123.7 | |||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 12.6 | 14.9 | 11 | 9.88 | 11.9 |