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sampling point
The Foss At Bolton Percy

Description THE FOSS AT BOLTON PERCY
Sampling point ID NE-49700089
Type Freshwater – Rivers
Status open
Location easting northing: 453200 441000
lat lon: 53.862487, -1.192556
Area Yorkshire
Sub-Area Aire, Calder, Wharfe
Summary 177 samples taken between 2020 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.

36 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Calcium - Ca
  • Chloride Ion
  • Cond @ 25C
  • Cu Filtered
  • Foam Visible
  • Hardness
  • 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
  • Potassium- K
  • Sld Sus@105C
  • Solid quanty
  • Temp Water
  • Type of Flow
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 177 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 9 Jul 2019 to 17 Mar 2020

NotationDeterminandUnits 9 Jul
2019
11:42
9 Aug
2019
11:02
30 Sep
2019
10:45
1 Oct
2019
14:40
7 Nov
2019
12:39
11 Dec
2019
13:37
7 Jan
2020
10:17
4 Feb
2020
13:42
2 Mar
2020
13:55
17 Mar
2020
13:45
0061pH7.767.637.537.417.667.548.087.997.917.84
0076Temperature of Water°C1617.413.212.88.45.66.15.67.29.9
0077Conductivity at 25 Cμs/cm814830622558678670836827301664
0111Ammoniacal Nitrogen as Nmg/l0.0590.0710.0760.0730.0320.050.044< 0.030.0620.11
0116Nitrogen, Total Oxidised as Nmg/l< 0.20.5114128.316.38.55.76.15.7
0117Nitrate as Nmg/l0.1820.45813.911.98.286.278.465.686.085.65
0118Nitrite as Nmg/l0.0180.0520.0660.0580.02810.0270.0360.020.0230.047
0119Ammonia un-ionised as Nmg/l0.000970.000960.00060.000430.000240.000230.0006< 0.000390.000750.00139
0162Alkalinity to pH 4.5 as CaCO3mg/l330300140140232230300280200220
0180Orthophosphate, reactive as Pmg/l0.230.270.190.220.1180.0830.0620.0950.0490.066
9901Oxygen, Dissolved, % Saturation%58.733.271.357.677.372.290.279.593.386
9924Oxygen, Dissolved as O2mg/l5.783.177.466.089.059.0711.29.9811.39.71

Samples from 12 Sep 2018 to 4 Jun 2019

NotationDeterminandUnits12 Sep
2018
13:21
12 Oct
2018
14:22
2 Nov
2018
10:49
5 Dec
2018
10:50
7 Jan
2019
14:58
12 Feb
2019
11:27
4 Mar
2019
10:38
3 Apr
2019
12:22
13 May
2019
13:51
4 Jun
2019
15:01
0061pH8.267.917.767.628.187.718.28.227.998.12
0076Temperature of Water°C13.813.24.45.77.74.16.26.812.415.6
0077Conductivity at 25 Cμs/cm719760833893875783988873821809
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.030.1220.0440.036< 0.030.07< 0.03< 0.030.168
0116Nitrogen, Total Oxidised as Nmg/l< 0.2< 0.20.5722.211.713.68.086.756.670.35
0117Nitrate as Nmg/l0.1890.1930.55522.111.713.68.056.736.640.329
0118Nitrite as Nmg/l0.01070.00720.01470.1030.02560.02170.02820.01530.02990.021
0119Ammonia un-ionised as Nmg/l< 0.00072< 0.000560.000850.000250.00055< 0.000180.00097< 0.00043< 0.000640.00461
0162Alkalinity to pH 4.5 as CaCO3mg/l285242306182246217260264245369
0180Orthophosphate, reactive as Pmg/l0.0740.1020.0760.1070.0660.0570.0430.0260.020.237
9901Oxygen, Dissolved, % Saturation%84.881.76430.699.391.798.5109.699.4111.6
9924Oxygen, Dissolved as O2mg/l8.768.558.293.8311.81212.213.410.611.1