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sampling point
Old West R. Old Streatham P.S. Bridge

Description OLD WEST R. OLD STREATHAM P.S. BRIDGE
Sampling point ID AN-35M24
Type Freshwater – Rivers
Status open
Location easting northing: 551500 272900
lat lon: 52.333264, 0.222037
Area Cambridgeshire And Bedfordshire
Sub-Area Ely Team Sub Area
Summary 209 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.

28 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Bentazone
  • CHLOR A
  • CHLOROPHYLL
  • COD as O2
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • O Diss% Satn
  • O Dissolved
  • Orthophospht
  • Oxygen Diss
  • 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 209 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 2 Nov 2023 to 2 Oct 2024

NotationDeterminandUnits 2 Nov
2023
10:22
4 Dec
2023
09:15
3 Jan
2024
12:22
1 Feb
2024
10:18
1 Mar
2024
14:01
7 Jun
2024
10:08
3 Jul
2024
13:42
16 Aug
2024
12:10
6 Sep
2024
12:57
2 Oct
2024
12:46
0061pH7.767.717.817.97.827.998.158.177.927.64
0076Temperature of Water°C10.93.88.26.37.517.217.62220.213.9
0077Conductivity at 25 Cμs/cm10321248679131611281001854893865710
0111Ammoniacal Nitrogen as Nmg/l0.120.30.0960.30.380.0730.0370.0590.040.083
0116Nitrogen, Total Oxidised as Nmg/l11127.5107.65.310101010
0117Nitrate as Nmg/l10.911.97.469.927.545.279.949.959.969.92
0118Nitrite as Nmg/l0.110.10.040.0830.0570.030.0590.0460.0380.076
0119Ammonia un-ionised as Nmg/l0.001360.001790.0010.003320.003830.00220.001170.002570.001280.00089
0162Alkalinity to pH 4.5 as CaCO3mg/l250290200300260260240250250170
0180Orthophosphate, reactive as Pmg/l0.10.070.160.0770.0430.0440.220.350.280.11
9901Oxygen, Dissolved, % Saturation%7280.780.179.285.8104.2101.492.793.568.7
9924Oxygen, Dissolved as O2mg/l7.9410.69.439.7710.3109.658.098.457.08

Samples from 8 Aug 2018 to 2 Oct 2023

NotationDeterminandUnits 8 Aug
2018
12:33
1 Nov
2018
15:59
4 Mar
2019
13:22
3 Apr
2023
10:49
19 May
2023
10:25
8 Jun
2023
10:11
10 Jul
2023
11:59
3 Aug
2023
12:52
18 Sep
2023
15:23
2 Oct
2023
08:23
0061pH7.958.038.248.097.928.358.28.087.637.63
0076Temperature of Water°C237.58.39.215.616.621.419.219.216.9
0077Conductivity at 25 Cμs/cm8639891238112411928828798279661146
0111Ammoniacal Nitrogen as Nmg/l0.063< 0.030.0330.0360.0310.031< 0.03< 0.030.0420.043
0116Nitrogen, Total Oxidised as Nmg/l6.841.748.971211129.62.12.93.4
0117Nitrate as Nmg/l6.791.738.9511.911129.542.092.883.33
0118Nitrite as Nmg/l0.05370.01040.02370.0540.0480.050.0610.010.0230.071
0119Ammonia un-ionised as Nmg/l0.00264< 0.000460.000530.000620.000710.00091< 0.00125< 0.001070.000650.00056
0162Alkalinity to pH 4.5 as CaCO3mg/l242237230270290250240240250260
0180Orthophosphate, reactive as Pmg/l0.3470.0850.0480.0370.0340.190.260.250.490.12
9901Oxygen, Dissolved, % Saturation%9181.294.5108.6116.5112136.7104.566.146.3
9924Oxygen, Dissolved as O2mg/l7.799.7211.112.511.610.912.19.636.094.47