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sampling point
Valley Brook At Marshfield Bridge

Description VALLEY BROOK AT MARSHFIELD BRIDGE
Sampling point ID NW-88000697
Type Freshwater – Rivers
Status open
Location easting northing: 367442 355181
lat lon: 53.092826, -2.487617
Area Greater Manchester Merseyside And Cheshire
Sub-Area Cheshire
Summary 151 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.

29 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Calcium - Ca
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Cu Filtered
  • Hardness
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • OMR Smpl Num
  • Orthophospht
  • Oxygen Diss
  • Sld NV@500C
  • Sld Sus@105C
  • Temp Water
  • Weth-Visibty
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • Weth7Dy-Vsy
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • 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 17 Oct 2023 to 24 Jul 2024

NotationDeterminandUnits17 Oct
2023
09:21
20 Nov
2023
09:45
7 Dec
2023
11:13
17 Jan
2024
10:46
20 Feb
2024
10:46
22 Mar
2024
10:00
16 Apr
2024
10:44
14 May
2024
10:25
25 Jun
2024
10:24
24 Jul
2024
14:39
0061pH8.18.047.98.017.898.06
0076Temperature of Water°C9.49.75.23.78.49.5
0077Conductivity at 25 Cμs/cm652667631749577624
0085BOD : 5 Day ATUmg/l< 2< 32.5> 6.7< 3< 3
0111Ammoniacal Nitrogen as Nmg/l0.0930.0910.170.230.0990.1
0116Nitrogen, Total Oxidised as Nmg/l4.85.25.36.64.84.4
0117Nitrate as Nmg/l4.765.155.266.554.774.37
0118Nitrite as Nmg/l0.0440.0540.0380.0490.0320.034
0119Ammonia un-ionised as Nmg/l0.001620.001620.001740.002640.001250.00176
0162Alkalinity to pH 4.5 as CaCO3mg/l200200160210170190
0180Orthophosphate, reactive as Pmg/l0.140.180.0840.0870.120.092
9901Oxygen, Dissolved, % Saturation%95.895.698.396.596.395.3
9924Oxygen, Dissolved as O2mg/l10.910.812.512.711.310.9

Samples from 6 Dec 2019 to 8 Sep 2023

NotationDeterminandUnits 6 Dec
2019
09:35
10 Jan
2020
10:03
12 Feb
2020
12:39
3 Mar
2020
10:05
16 Jun
2023
14:46
28 Jun
2023
12:32
19 Jul
2023
13:18
26 Jul
2023
12:51
10 Aug
2023
13:19
8 Sep
2023
11:28
0061pH7.97.977.918.28.028.038.137.868.168.2
0076Temperature of Water°C8.46.64.55.118.71716.515.116.516.7
0077Conductivity at 25 Cμs/cm9416115777651914848683704779874
0085BOD : 5 Day ATUmg/l3.62.22.82< 1
0111Ammoniacal Nitrogen as Nmg/l0.180.190.150.260.180.0990.0860.0690.078
0116Nitrogen, Total Oxidised as Nmg/l5.45.14.55.46.35.74.34.16
0117Nitrate as Nmg/l5.335.054.475.366.225.644.254.065.96
0118Nitrite as Nmg/l0.0680.0490.030.0360.0830.0610.0520.0440.037
0119Ammonia un-ionised as Nmg/l0.002330.002520.001490.003310.006180.003010.002520.001330.00232
0135Solids, Suspended at 105 Cmg/l47364220
0162Alkalinity to pH 4.5 as CaCO3mg/l200180170190240240200210250
0172Chloridemg/l120383944
0180Orthophosphate, reactive as Pmg/l0.0680.270.0750.130.170.180.220.190.19
9901Oxygen, Dissolved, % Saturation%88.689.688.498.990.187.193.494.992.887.2
9924Oxygen, Dissolved as O2mg/l10.41111.412.68.398.49.19.528.46