sampling point
Elstow Bk.D/S Marston Mortaine Stw
| Description | ELSTOW BK.D/S MARSTON MORTAINE STW |
|---|---|
| Sampling point ID | AN-12M44 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 500150 242297 lat lon: 52.069989, -0.540293 |
| Area | Cambridgeshire And Bedfordshire |
| Sub-Area | Brampton Team Sub Area |
| Summary | 122 samples taken between 2024 and 2008 |
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.
26 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- C - Org Filt
- Ca Filtered
- Calcium - Ca
- Cond @ 25C
- Fe- Filt
- Hardness
- Magnesium-Mg
- Mg Filtered
- Mn BLM Bio
- Mn- Filtered
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- OrthophsFilt
- Oxygen Diss
- Phosphorus-P
- Sld Sus@105C
- Temp Water
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 122 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 8 Apr 2022 to 20 Jun 2024
| Notation | Determinand | Units | 8 Apr 2022 11:15 | 5 Jul 2022 09:36 | 17 Oct 2022 15:03 | 31 Jan 2023 10:46 | 26 Apr 2023 10:40 | 5 Jul 2023 13:18 | 9 Oct 2023 10:31 | 4 Jan 2024 11:35 | 3 Apr 2024 11:10 | 20 Jun 2024 12:06 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.14 | 7.17 | 6.98 | 7.3 | 7.33 | 7.32 | 7.1 | 7.64 | 7.39 | 7.02 | |
| 0076 | Temperature of Water | °C | 10.4 | 12.8 | 17.5 | 18.2 | ||||||
| 0077 | Conductivity at 25 C | μs/cm | 971 | 969 | 720 | 901 | ||||||
| 0085 | BOD : 5 Day ATU | mg/l | < 3 | |||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 1.4 | |||||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 17 | |||||||||
| 0117 | Nitrate as N | mg/l | 16.2 | |||||||||
| 0118 | Nitrite as N | mg/l | 0.77 | |||||||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.005 | |||||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 110 | |||||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.72 | |||||||||
| 0235 | Magnesium, Dissolved | mg/l | 8.4 | 6.7 | 6.8 | 8.2 | 8.2 | 5.5 | 6.5 | 7.4 | 8.8 | |
| 0239 | Calcium, Dissolved | mg/l | 90 | 59 | 60 | 96 | 93 | 68 | 59 | 110 | 110 | |
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 7.2 | 7.5 | 7.1 | 8.1 | 6.9 | 6.2 | 7.6 | 9.3 | 7.5 | |
| 6460 | Iron, Dissolved | μg/l | 51 | 130 | 56 | 69 | 57 | 47 | 45 | 30 | 40 | |
| 9901 | Oxygen, Dissolved, % Saturation | % | 74.8 | 54.8 | 64 | 63.2 | ||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.35 | 5.79 | 6.11 | 5.94 |
Samples from 10 Sep 2019 to 10 Jan 2022
| Notation | Determinand | Units | 10 Sep 2019 08:03 | 24 Oct 2019 08:33 | 8 Nov 2019 10:50 | 4 Dec 2019 10:50 | 10 Jan 2020 08:29 | 17 Feb 2020 13:24 | 4 Mar 2020 11:03 | 10 Aug 2021 07:41 | 8 Oct 2021 12:39 | 10 Jan 2022 12:26 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.44 | 7.39 | 7.61 | 7.82 | 8.05 | 7.72 | 7.8 | 7.65 | 7.09 | 7.44 | |
| 0076 | Temperature of Water | °C | 16.5 | 14.9 | 11.1 | 9.4 | 8.1 | 7.8 | 8.1 | |||
| 0077 | Conductivity at 25 C | μs/cm | 932 | 923 | 903 | 953 | 685 | 601 | 922 | |||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.35 | 0.17 | 1.05 | 0.62 | 0.11 | 0.58 | 1.2 | |||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 23 | 20 | 14.7 | 21 | 8.1 | 8.5 | 14 | |||
| 0117 | Nitrate as N | mg/l | 22.8 | 19.9 | 14.3 | 20.3 | 8.07 | 8.36 | 13.6 | |||
| 0118 | Nitrite as N | mg/l | 0.18 | 0.11 | 0.444 | 0.71 | 0.031 | 0.14 | 0.38 | |||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00288 | 0.00111 | 0.00856 | 0.00719 | 0.00175 | 0.00476 | 0.0121 | |||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 130 | 120 | 169 | 160 | 180 | 190 | 200 | |||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.5 | 0.42 | 0.319 | 0.33 | 0.14 | 0.17 | 0.21 | |||
| 0235 | Magnesium, Dissolved | mg/l | 7.2 | 7.8 | 7.7 | 7.7 | 9.1 | |||||
| 0239 | Calcium, Dissolved | mg/l | 84 | 100 | 88 | 100 | 110 | |||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 5.6 | > 10 | 7.7 | 6 | 7.2 | |||||
| 0348 | Phosphorus, Total as P | mg/l | 0.56 | 0.377 | > 0.1 | 0.34 | ||||||
| 6460 | Iron, Dissolved | μg/l | 42 | 75 | 67 | 30 | 40 | |||||
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.51 | 0.42 | 0.34 | 0.18 | 0.18 | 0.2 | ||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 30.4 | 47.2 | 58.5 | 52.6 | 85.6 | 76.7 | 59.6 | |||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 2.96 | 4.76 | 6.42 | 6.01 | 10.1 | 9.11 | 7.03 |