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sampling point
Thorpe/Chadwell Brook - At Chadwell

Description THORPE/CHADWELL BROOK - AT CHADWELL
Sampling point ID MD-48123095
Type Freshwater – Rivers
Status open
Location easting northing: 478474 324409
lat lon: 52.811516, -0.837183
Area Derbyshire Nottinghamshire And Leicestershire
Sub-Area Leicester And South Nottinghamshire
Summary 151 samples taken between 2021 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
  • Cadmium - Cd
  • Calcium - Ca
  • Cd Filtered
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • Hardness
  • Lead - as Pb
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • PFOS
  • Pb Filtered
  • Potassium- K
  • Sld Sus@105C
  • Temp Water
  • Weth-Visibty
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • Weth7Dy-Vsy
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • Zn- Filtered
  • pFoctanoate
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 151 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 14 Feb 2020 to 2 Dec 2021

NotationDeterminandUnits14 Feb
2020
13:18
11 Mar
2020
13:00
7 May
2021
09:32
10 Jun
2021
12:33
13 Jul
2021
09:46
3 Aug
2021
09:02
2 Sep
2021
09:09
18 Oct
2021
09:43
5 Nov
2021
07:25
2 Dec
2021
11:11
0061pH7.988.087.997.927.897.87.847.958.038.16
0076Temperature of Water°C6.99.17.514.414.412.112.611.35.24.5
0077Conductivity at 25 Cμs/cm759
0085BOD : 5 Day ATUmg/l< 111.71.41< 1< 11.41.41.1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.030.03< 0.03< 0.030.031< 0.03< 0.03< 0.030.14
0116Nitrogen, Total Oxidised as Nmg/l9.11012119.31216151210
0117Nitrate as Nmg/l9.089.9711.9119.26121615129.97
0118Nitrite as Nmg/l0.0160.0310.0640.0460.0420.0310.0250.0210.0230.03
0119Ammonia un-ionised as Nmg/l< 0.00042< 0.000510.00045< 0.00063< 0.000590.00042< 0.00046< 0.00054< 0.000380.0017
0135Solids, Suspended at 105 Cmg/l179.43.85.58.36.98.27.67.83.4
0162Alkalinity to pH 4.5 as CaCO3mg/l210220210220220220210210220220
0180Orthophosphate, reactive as Pmg/l0.350.781.10.81.11.51.30.570.59
9901Oxygen, Dissolved, % Saturation%99.310098.495.489.489.483.188.989.994.5
9924Oxygen, Dissolved as O2mg/l12.111.511.89.729.119.598.819.7111.412.2

Samples from 25 Apr 2019 to 7 Jan 2020

NotationDeterminandUnits25 Apr
2019
10:11
22 May
2019
10:56
19 Jun
2019
10:56
24 Jul
2019
10:29
28 Aug
2019
11:25
19 Sep
2019
09:46
11 Oct
2019
11:07
21 Nov
2019
14:49
11 Dec
2019
12:12
7 Jan
2020
14:16
0061pH7.917.997.997.767.857.928.117.97.87.94
0076Temperature of Water°C10.610.913.117.11610.212.77.36.98.5
0077Conductivity at 25 Cμs/cm717823678
0085BOD : 5 Day ATUmg/l1.21.231.01< 2.8< 1< 1111< 1
0111Ammoniacal Nitrogen as Nmg/l0.06< 0.030.0770.0510.030.031< 0.030.0960.0330.034
0116Nitrogen, Total Oxidised as Nmg/l14.415.110.71312151211.59.212
0117Nitrate as Nmg/l14.315.110.612.912151211.49.1812
0118Nitrite as Nmg/l0.06130.02750.08520.0630.030.0330.0270.05560.0230.033
0119Ammonia un-ionised as Nmg/l0.00093< 0.000570.001720.000910.00060.00048< 0.000670.001140.00030.00048
0135Solids, Suspended at 105 Cmg/l4.4511.37.3313118.8149.922611
0162Alkalinity to pH 4.5 as CaCO3mg/l202193194190220200200208210220
0180Orthophosphate, reactive as Pmg/l0.5831.20.26
9901Oxygen, Dissolved, % Saturation%97.5102.391.892.390.689.194.596.197.696.7
9924Oxygen, Dissolved as O2mg/l10.811.39.638.888.929.991011.611.911.3