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sampling point
River Holewater At Linkleyham Bridge

Description RIVER HOLEWATER (MOLLAND) AT LINKLEYHAM BRIDGE
Sampling point ID SW-73070503
Type Freshwater – Rivers
Status open
Location easting northing: 269602 132512
lat lon: 51.077069, -3.862796
Area Devon And Cornwall
Sub-Area East Devon And Cornwall
Summary 241 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 @ 20C
  • 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
  • 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 241 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 28 May 2024 to 22 Jul 2024

NotationDeterminandUnits28 May
2024
09:14
6 Jun
2024
11:41
10 Jun
2024
14:08
12 Jun
2024
12:48
19 Jun
2024
10:15
25 Jun
2024
11:06
27 Jun
2024
08:21
1 Jul
2024
11:18
12 Jul
2024
12:01
22 Jul
2024
13:29
0076Temperature of Water°C12.312.11411.412.414.51312.812.914.9
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.030.046< 0.03< 0.03< 0.03
0113Nitrogen, Organic as Nmg/l0.270.070.154
0114Nitrogen, Kjeldahl as Nmg/l0.30.1< 1.0e-050.2
0116Nitrogen, Total Oxidised as Nmg/l1.11.21.11.11.11.11.20.770.83
0117Nitrate as Nmg/l1.11.21.11.11.11.11.20.7660.826
0118Nitrite as Nmg/l< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004
0135Solids, Suspended at 105 Cmg/l5.4< 3< 33.43.4< 3< 3< 3< 33.2
0180Orthophosphate, reactive as Pmg/l0.0170.0120.0170.011< 0.010.0170.014< 0.010.014
0192Phosphate :- {TIP}mg/l0.026< 0.02< 0.02< 0.02< 0.020.025< 0.02< 0.02< 0.02< 0.02
0348Phosphorus, Total as Pmg/l0.0380.0220.0220.0140.0240.0250.020.0170.0120.018
9686Nitrogen, Total as Nmg/l1.41.21.21.21.11.31.31.40.870.99

Samples from 26 Feb 2024 to 20 May 2024

NotationDeterminandUnits26 Feb
2024
10:07
11 Mar
2024
12:49
20 Mar
2024
10:19
26 Mar
2024
14:37
3 Apr
2024
13:13
10 Apr
2024
13:32
15 Apr
2024
14:13
23 Apr
2024
10:33
14 May
2024
10:44
20 May
2024
12:30
0076Temperature of Water°C7.49.610.610.910.410.210.510.212.215
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l0.930.88111.11.2
0117Nitrate as Nmg/l0.9260.8760.9960.9961.11.2
0118Nitrite as Nmg/l< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004
0135Solids, Suspended at 105 Cmg/l6.53.33.2< 359.63.8< 3< 3< 3
0180Orthophosphate, reactive as Pmg/l< 0.01< 0.01< 0.01< 0.010.012< 0.01
0192Phosphate :- {TIP}mg/l< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02
0348Phosphorus, Total as Pmg/l0.0240.0130.0140.0130.0120.022< 0.010.0120.015
9686Nitrogen, Total as Nmg/l1.31.21.31.31.111.11.21.3