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sampling point
Calder At A58 Sowerby Bridge

Description CALDER AT A58 SOWERBY BRIDGE
Sampling point ID NE-49500625
Type Freshwater – Rivers
Status open
Location easting northing: 405909 423518
lat lon: 53.708042, -1.911952
Area Yorkshire
Sub-Area Aire, Calder, Wharfe
Summary 192 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.

44 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Calcium - Ca
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr Hex Filt
  • Cr- Filtered
  • Cu Filtered
  • Dtrgt NncSyn
  • DtrgtAnc&Nnc
  • DtrgtAncSyn
  • Fe- Filt
  • Hardness
  • Iron - as Fe
  • Liqcolour-mn
  • Liqcolour-se
  • Liqcolour-st
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Obs Flow ROC
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • Sample Depth
  • Sld Sus@105C
  • Solid quanty
  • Temp Water
  • Type of Flow
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 192 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 26 Jul 2023 to 4 Mar 2024

NotationDeterminandUnits26 Jul
2023
10:17
11 Aug
2023
11:19
21 Aug
2023
11:15
1 Sep
2023
10:42
11 Oct
2023
10:35
7 Nov
2023
11:33
8 Dec
2023
10:33
8 Jan
2024
12:38
8 Feb
2024
11:50
4 Mar
2024
12:27
0061pH7.337.218.017.367.147.677.327.467.29
0076Temperature of Water°C16.11513.813.69.16.55.74.94.9
0077Conductivity at 25 Cμs/cm16916419213987147142202127
0111Ammoniacal Nitrogen as Nmg/l0.0980.0660.0730.0380.0640.0650.120.210.08
0116Nitrogen, Total Oxidised as Nmg/l1.61.61.81.20.580.941.21.21
0117Nitrate as Nmg/l1.581.581.761.190.5760.9361.191.190.993
0118Nitrite as Nmg/l0.0230.0230.0420.0091< 0.004< 0.0040.0090.0130.007
0119Ammonia un-ionised as Nmg/l0.000610.000290.001760.000210.000150.000430.000340.000770.0002
0162Alkalinity to pH 4.5 as CaCO3mg/l272932241618202217
0180Orthophosphate, reactive as Pmg/l0.120.10.140.0710.0330.0360.0440.0720.04
3164Chromiumμg/l0.5< 0.5< 0.5< 0.50.690.58< 0.5< 0.5< 0.5
3409Chromium, Dissolvedμg/l< 0.5< 0.5< 0.5< 0.5< 0.5< 0.5< 0.5< 0.5< 0.5
6051Ironμg/l630500710700940770390450590
6450Copper, Dissolvedμg/l2.31.91.91.92.72.11.32.31.6
6452Copperμg/l2.92.22.42.33.32.61.72.32.1
6460Iron, Dissolvedμg/l380310500450580450230320390
6619Chromium Hexavalent, Dissolved :- {Cr VI}μg/l0.075< 0.050.059< 0.05< 0.050.0810.0620.058
9901Oxygen, Dissolved, % Saturation%98.799.495.592.9100.398.99798.5101.3
9924Oxygen, Dissolved as O2mg/l9.7109.869.6311.512.112.212.613

Samples from 19 Feb 2020 to 12 Jul 2023

NotationDeterminandUnits19 Feb
2020
12:44
24 Feb
2020
10:54
13 Mar
2020
11:05
10 May
2021
12:06
3 Jun
2021
13:22
9 Jul
2021
13:34
18 Aug
2021
12:19
14 Jun
2023
11:01
11 Jul
2023
12:50
12 Jul
2023
12:35
0061pH7.938.128.147.517.517.467.837.277.45
0076Temperature of Water°C5.54.86.29.614.414.814.818.315.8
0077Conductivity at 25 Cμs/cm146251152141180166192212184
0111Ammoniacal Nitrogen as Nmg/l0.0630.0770.040.0620.0780.0920.0620.210.22
0116Nitrogen, Total Oxidised as Nmg/l10.830.761.21.61.31.62.11.9
0117Nitrate as Nmg/l0.9960.8260.7561.191.561.271.582.031.85
0118Nitrite as Nmg/l< 0.004< 0.004< 0.0040.0140.0360.0330.0240.0660.053
0119Ammonia un-ionised as Nmg/l0.00070.000960.000550.000360.000650.00070.001090.001340.00176
0162Alkalinity to pH 4.5 as CaCO3mg/l161615233027314034
0180Orthophosphate, reactive as Pmg/l0.0320.0360.0440.0580.130.130.150.250.19
3164Chromiumμg/l< 0.5< 0.5< 0.5
3409Chromium, Dissolvedμg/l< 0.5< 0.5< 0.5
6051Ironμg/l430670730
6450Copper, Dissolvedμg/l2.12.32.3
6452Copperμg/l2.42.72.8
6460Iron, Dissolvedμg/l300450450
9901Oxygen, Dissolved, % Saturation%102.896.694.6103.6102.997.284.183.690.9
9924Oxygen, Dissolved as O2mg/l12.912.411.711.810.59.828.57.858.99