We would welcome your feedback to help us make future improvements.

sampling point
River Claw At Tetcott Bridge

Description RIVER CLAW AT TETCOTT BRIDGE
Sampling point ID SW-81201106
Type Freshwater – Rivers
Status open
Location easting northing: 232721 96933
lat lon: 50.747835, -4.372519
Area Devon And Cornwall
Sub-Area Central Devon And Cornwall
Summary 340 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.

36 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
  • Mineral Oils
  • N Inorganic
  • N Organic
  • N Oxidised
  • N-Kjeldahl
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • Nitrogen - N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • OrthophsFilt
  • Oxygen Diss
  • Phenol Odour
  • PhenolicOdor
  • Phosphate
  • Phosphorus-P
  • Potassium- K
  • Sld Sus@105C
  • Temp Water
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 340 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Mar 2024 to 5 Jun 2024

NotationDeterminandUnits11 Mar
2024
13:10
22 Mar
2024
15:44
26 Mar
2024
10:01
8 Apr
2024
10:22
18 Apr
2024
10:24
23 Apr
2024
10:41
15 May
2024
12:44
20 May
2024
10:37
29 May
2024
11:58
5 Jun
2024
12:32
0076Temperature of Water°C8.310.88.710.78.910.614.114.413.913.5
0111Ammoniacal Nitrogen as Nmg/l0.065< 0.030.05< 0.03< 0.03< 0.03< 0.03< 0.030.032< 0.03
0113Nitrogen, Organic as Nmg/l0.4350.570.920.470.470.270.370.5680.47
0114Nitrogen, Kjeldahl as Nmg/l0.50.60.970.50.50.30.40.60.5
0116Nitrogen, Total Oxidised as Nmg/l1.51.30.731.31.31.41.51.41.51.4
0117Nitrate as Nmg/l1.491.30.7251.291.31.41.51.41.481.4
0118Nitrite as Nmg/l0.0120.00490.00550.00840.0049< 0.004< 0.004< 0.0040.021< 0.004
0135Solids, Suspended at 105 Cmg/l7.88.131118.24.35.76.56.65.4
0180Orthophosphate, reactive as Pmg/l0.0210.020.0240.0220.020.0120.0140.0190.0250.02
0192Phosphate :- {TIP}mg/l0.0260.0280.0670.0290.0250.028< 0.020.0220.0360.02
0348Phosphorus, Total as Pmg/l0.0460.0420.0920.0420.0230.0260.0140.0310.0570.042
9686Nitrogen, Total as Nmg/l21.91.71.81.81.70.831.82.11.9

Samples from 3 Jan 2024 to 6 Mar 2024

NotationDeterminandUnits 3 Jan
2024
12:53
12 Jan
2024
10:55
18 Jan
2024
12:28
23 Jan
2024
11:04
31 Jan
2024
13:26
9 Feb
2024
15:07
13 Feb
2024
12:17
19 Feb
2024
12:31
26 Feb
2024
11:18
6 Mar
2024
13:34
0061pH7.227.37.25
0076Temperature of Water°C9.14.21.77.66.810.48.110.76.76.9
0077Conductivity at 25 Cμs/cm143137173
0111Ammoniacal Nitrogen as Nmg/l0.058< 0.03< 0.030.042< 0.030.0380.032< 0.030.0330.043
0113Nitrogen, Organic as Nmg/l0.7420.270.370.5580.470.6620.3680.670.4670.457
0114Nitrogen, Kjeldahl as Nmg/l0.80.30.40.60.50.70.40.70.50.5
0116Nitrogen, Total Oxidised as Nmg/l1.12.41.91.51.91.52.41.91.61.9
0117Nitrate as Nmg/l1.092.391.91.491.91.52.391.891.591.89
0118Nitrite as Nmg/l0.00560.00740.00420.00740.00470.00480.00630.00670.00550.0066
0119Ammonia un-ionised as Nmg/l0.000170.000140.00011
0135Solids, Suspended at 105 Cmg/l493.53.6185.9421218207.1
0162Alkalinity to pH 4.5 as CaCO3mg/l282839
0180Orthophosphate, reactive as Pmg/l0.0230.0180.0150.0130.0180.880.020.0270.0190.019
0192Phosphate :- {TIP}mg/l0.0760.021< 0.020.0460.0270.0680.0320.0460.0450.032
0348Phosphorus, Total as Pmg/l0.0940.0230.0240.0620.030.0960.0430.0590.0640.039
9686Nitrogen, Total as Nmg/l1.92.72.32.12.42.22.82.62.12.4
9901Oxygen, Dissolved, % Saturation%95.997.398.3
9924Oxygen, Dissolved as O2mg/l1110.911.9