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sampling point
Went At Topham Ferry Bridge

Description WENT AT TOPHAM FERRY BRIDGE
Sampling point ID NE-49302045
Type Freshwater – Rivers
Status open
Location easting northing: 461966 417379
lat lon: 53.64924, -1.064015
Area Yorkshire
Sub-Area Don, Rother
Summary 158 samples taken between 2017 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
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • CHLOR A
  • CHLOROPHYLL
  • Calcium - Ca
  • Chloride Ion
  • Chlorophyl-A
  • Cond @ 25C
  • Cu Filtered
  • Cypermethrin
  • Foam Visible
  • Hardness
  • Liqcolour-mn
  • Liqcolour-se
  • Liqcolour-st
  • Magnesium-Mg
  • Mecoprop
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Obs Flow ROC
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • Sld Sus@105C
  • Solid quanty
  • Temp Water
  • Type of Flow
  • Visit-NoBott
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 158 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 31 Aug 2016 to 10 May 2017

NotationDeterminandUnits31 Aug
2016
11:24
22 Sep
2016
11:32
17 Oct
2016
11:36
10 Nov
2016
12:25
25 Nov
2016
11:10
11 Jan
2017
13:06
2 Feb
2017
10:53
9 Mar
2017
11:21
21 Apr
2017
14:13
10 May
2017
12:10
0061pH7.657.738.038.087.738.057.617.588.068.18
0076Temperature of Water°C17.314.410.75.36.96.57.37.61212.5
0077Conductivity at 25 Cμs/cm9461177105511369281157976100013121341
0111Ammoniacal Nitrogen as Nmg/l< 0.030.1050.0480.1150.1420.064< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l8.118.938.938.2514.910.7149.468.989.94
0117Nitrate as Nmg/l7.998.778.888.1814.810.613.99.428.949.89
0118Nitrite as Nmg/l0.1230.1610.04630.07140.07620.1160.05160.04460.04120.0478
0119Ammonia un-ionised as Nmg/l< 0.000420.001430.000920.00090.0020.00038< 0.00063< 0.00066
0162Alkalinity to pH 4.5 as CaCO3mg/l211244250174240217260251
0180Orthophosphate, reactive as Pmg/l0.4680.840.4840.1710.4630.1710.3820.486
9901Oxygen, Dissolved, % Saturation%37.664.780.386.370.790.790.686.398.4103.1
9924Oxygen, Dissolved as O2mg/l3.66.598.910.98.5911.110.910.310.611

Samples from 7 Oct 2015 to 22 Jul 2016

NotationDeterminandUnits 7 Oct
2015
15:14
12 Nov
2015
10:53
27 Nov
2015
12:44
18 Jan
2016
11:43
10 Feb
2016
10:56
7 Mar
2016
12:58
15 Apr
2016
10:16
16 May
2016
12:26
28 Jun
2016
11:02
22 Jul
2016
12:54
0061pH7.837.927.987.787.627.938.447.927.77
0076Temperature of Water°C13.510.78.14.55913.615.619.7
0077Conductivity at 25 Cμs/cm11311188115812637551136126511121170
0111Ammoniacal Nitrogen as Nmg/l0.0720.050.0750.2830.1090.079< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l8.978.658.899.935.928.728.928.796.998.11
0117Nitrate as Nmg/l8.98.598.819.835.878.678.868.736.898.07
0118Nitrite as Nmg/l0.070.06350.08490.1020.05010.05220.05660.05770.1020.0356
0119Ammonia un-ionised as Nmg/l0.001160.00080.001140.002090.000580.00114< 0.00071< 0.00069
0162Alkalinity to pH 4.5 as CaCO3mg/l236245233232181237250228
0180Orthophosphate, reactive as Pmg/l1.040.4410.4360.2360.2060.2520.4490.745
9901Oxygen, Dissolved, % Saturation%66.975.184.587.399.879.8152.290.471.6
9924Oxygen, Dissolved as O2mg/l6.958.329.9711.312.79.2115.88.986.53