sampling point
Old Bedford R. Welches Dam Pumping Stn.
| Description | OLD BEDFORD R. WELCHES DAM PUMPING STN. |
|---|---|
| Sampling point ID | AN-26M49 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 547100 285800 lat lon: 52.450349, 0.163172 |
| Area | Cambridgeshire And Bedfordshire |
| Sub-Area | Brampton Team Sub Area |
| Summary | 355 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.
33 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- CHLOR A
- CHLOROPHYLL
- COD as O2
- Chloride Ion
- Cond - Field
- Cond @ 20C
- Cond @ 25C
- N Inorganic
- N Oxidised
- NATGRIDREF
- NH3 un-ion
- NO FLOW/SAMP
- Nitrate-N
- Nitrite-N
- O Diss %sat
- O Diss% Satn
- O Dissolved
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- Phosphorus-P
- SALinsitu
- Salinity
- SiO2 Rv
- Sld Sus@105C
- Temp Water
- Turbidity
- TurbidityNTU
- pH
- pH Inst unit
Sampling results
Displaying the twenty most recent samples. You can see all 355 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 11 Aug 2023 to 17 Jul 2024
| Notation | Determinand | Units | 11 Aug 2023 13:54 | 21 Sep 2023 09:01 | 9 Oct 2023 09:39 | 6 Nov 2023 12:32 | 6 Dec 2023 09:41 | 2 Jan 2024 13:42 | 5 Feb 2024 14:29 | 8 Mar 2024 15:44 | 18 Jun 2024 13:25 | 17 Jul 2024 11:50 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.54 | 7.37 | |||||||||
| 0076 | Temperature of Water | °C | 21.6 | 16 | 15.9 | 8.2 | 8.9 | 8.2 | 17.9 | 18.6 | ||
| 0077 | Conductivity at 25 C | μs/cm | 869 | 926 | 964 | 750 | 976 | 716 | 566 | 982 | ||
| 0085 | BOD : 5 Day ATU | mg/l | 1.2 | 1.5 | < 2 | 1.1 | 1.4 | 1.8 | 2.5 | 1.5 | ||
| 0092 | Chemical Oxygen Demand :- {COD} | mg/l | 21 | 33 | 24 | 21 | 23 | |||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.035 | 0.32 | 0.17 | 0.032 | < 0.03 | < 0.03 | 0.22 | 0.19 | ||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 2.6 | 2.5 | 2.5 | 8.4 | 8.4 | 6.4 | < 0.2 | 2 | ||
| 0117 | Nitrate as N | mg/l | 2.54 | 2.39 | 2.4 | 8.34 | 8.37 | 6.36 | 0.191 | 1.79 | ||
| 0118 | Nitrite as N | mg/l | 0.057 | 0.11 | 0.098 | 0.057 | 0.027 | 0.044 | 0.0089 | 0.21 | ||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00253 | 0.00156 | ||||||||
| 0135 | Solids, Suspended at 105 C | mg/l | 3.6 | 8 | 6.7 | 20 | 21 | 31 | ||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 200 | 280 | ||||||||
| 0172 | Chloride | mg/l | 82 | 91 | 86 | 36 | 61 | 34 | ||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.14 | 0.24 | 0.14 | 0.13 | 0.11 | 0.091 | 0.58 | 0.35 | ||
| 0182 | Silica, reactive as SiO2 | mg/l | 1.3 | 7.1 | 13 | 8.9 | 8.8 | 7.8 | ||||
| 0348 | Phosphorus, Total as P | mg/l | 0.17 | 0.28 | 0.19 | 0.19 | 0.18 | 0.17 | ||||
| 7668 | No flow /No sample | 0 | 0 | |||||||||
| 7887 | Chlorophyll : Acetone Extract | μg/l | 6.3 | 13 | 15 | 2.4 | 8.3 | 21 | ||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 88.5 | 67.9 | 69.4 | 92.1 | 98.9 | 96.9 | 67.1 | 45 | ||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 7.77 | 6.68 | 6.84 | 10.8 | 11.4 | 11.4 | 6.35 | 4.2 |