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sampling point
River Yeo (Barnstaple) At Brockham Br

Description RIVER YEO (BARNSTAPLE) AT BROCKHAM BRIDGE
Sampling point ID SW-73080474
Type Freshwater – Rivers
Status closed
Location easting northing: 260347 140817
lat lon: 51.149523, -3.998045
Area Devon And Cornwall
Sub-Area East Devon And Cornwall
Summary 100 samples taken between 2012 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.

25 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Calcium - Ca
  • Cond @ 25C
  • Cu Filtered
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • Magnesium-Mg
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Potassium- K
  • Temp Water
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 100 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 29 Feb 2012 to 20 Nov 2012

NotationDeterminandUnits29 Feb
2012
10:51
27 Apr
2012
10:03
22 May
2012
11:43
5 Jul
2012
12:16
19 Jul
2012
12:51
13 Aug
2012
10:32
13 Sep
2012
13:11
3 Oct
2012
11:35
24 Oct
2012
14:53
20 Nov
2012
11:22
0061pH7.67.377.87.77.57.97.67.737.77.7
0076Temperature of Water°C9.89.312.313.113.113.911.711.512.111.6
0077Conductivity at 25 Cμs/cm193184186181178< 186194180179186
0111Ammoniacal Nitrogen as Nmg/l< 0.030.033< 0.030.035< 0.03< 0.03< 0.030.072< 0.030.031
0116Nitrogen, Total Oxidised as Nmg/l2.952.382.62.512.292.462.412.372.182.26
0117Nitrate as Nmg/l2.942.372.62.52.292.462.42.362.172.25
0118Nitrite as Nmg/l0.00620.00680.00410.00730.005< 0.0040.00550.010.00550.0093
0119Ammonia un-ionised as Nmg/l< 0.000220.00014< 0.000410.00041< 0.00022< 0.00058< 0.000250.00079< 0.000320.00032
0162Alkalinity to pH 4.5 as CaCO3mg/l47475046465155505252
0180Orthophosphate, reactive as Pmg/l0.0250.0260.0210.0240.025< 0.020.030.0470.0250.034
9901Oxygen, Dissolved, % Saturation%101.298.210496.59796100959695
9924Oxygen, Dissolved as O2mg/l11.511.311.110.110.29.8910.810.310.310.3

Samples from 16 May 2011 to 9 Feb 2012

NotationDeterminandUnits16 May
2011
11:05
24 Jun
2011
10:45
18 Jul
2011
11:50
30 Aug
2011
11:00
12 Sep
2011
10:45
28 Oct
2011
11:05
15 Nov
2011
11:15
16 Dec
2011
11:45
20 Jan
2012
11:32
9 Feb
2012
12:05
0061pH87.57.87.67.77.37.47.57.57.7
0076Temperature of Water°C11.612.212.311.913.910.5107.98.95.9
0077Conductivity at 25 Cμs/cm218202190191191179185177188194
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l2.692.142.142.472.162.512.592.632.822.84
0117Nitrate as Nmg/l2.682.132.132.462.152.52.582.632.822.83
0118Nitrite as Nmg/l0.01430.00860.01320.00660.00910.00720.0067< 0.0040.00440.0053
0119Ammonia un-ionised as Nmg/l< 0.00062< 0.00021< 0.00041< 0.00025< 0.00037< 0.00011< 0.00014< 0.00015< 0.00016< 0.0002
0162Alkalinity to pH 4.5 as CaCO3mg/l59534751464747414448
0180Orthophosphate, reactive as Pmg/l0.0430.0450.0380.0360.0460.0310.0240.0270.0210.025
9901Oxygen, Dissolved, % Saturation%1059893979910010494.799100
9924Oxygen, Dissolved as O2mg/l11.410.59.9310.510.211.111.711.211.512.5