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sampling point
River Fowey At Halfway House Bridge

Description RIVER FOWEY AT HALFWAY HOUSE BRIDGE
Sampling point ID SW-81520348
Type Freshwater – Rivers
Status open
Location easting northing: 215968 65246
lat lon: 50.458103, -4.594032
Area Devon And Cornwall
Sub-Area West Devon And Cornwall
Summary 90 samples taken between 2024 and 2013

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.

68 determinands have been measured at this site
  • Al- Filtered
  • Alky pH 4.5
  • Aluminium-Al
  • Ammonia(N)
  • Arsenic - As
  • As-Filtered
  • B - Filtered
  • B-[a]-pyrene
  • B-[b]-fluora
  • B-[ghi]-pery
  • B-[k]-fluora
  • Ba- Filtered
  • Barium - Ba
  • Boron - as B
  • C - Org Filt
  • CHLOROPHYLL
  • Ca Filtered
  • Cadmium - Cd
  • Calcium - Ca
  • Cd Filtered
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • E.coli C-MF
  • Fe- Filt
  • Fluoranthene
  • Hardness
  • IE Conf
  • IE Pres
  • Ind123pyrene
  • IonicBalance
  • Iron - as Fe
  • K- Filtered
  • Lead - as Pb
  • Lithium - Li
  • Lithium Filt
  • Magnesium-Mg
  • Manganse-Mn
  • Mg Filtered
  • Mn- Filtered
  • N Oxidised
  • NH3 un-ion
  • Na- Filtered
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Pb Filtered
  • Potassium- K
  • SO4dis
  • SiO2 Rv
  • Sld Sus@105C
  • Sodium - Na
  • Strontium-Sr
  • StrontumFilt
  • Sulphate SO4
  • Temp Water
  • TurbidityNTU
  • Zinc - as Zn
  • Zn- Filtered
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 90 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 May 2023 to 12 Feb 2024

NotationDeterminandUnits10 May
2023
10:34
1 Jun
2023
12:52
6 Jul
2023
15:12
9 Aug
2023
15:59
5 Sep
2023
15:42
2 Oct
2023
13:54
3 Nov
2023
11:13
6 Dec
2023
10:15
8 Jan
2024
12:55
12 Feb
2024
09:46
0061pH7.237.357.067.46.876.837.577.657.147.26
0076Temperature of Water°C11.614.115.715.617.714.710.86.97.17.5
0077Conductivity at 25 Cμs/cm969387889010311912598103
0111Ammoniacal Nitrogen as Nmg/l0.00820.00660.00680.00460.00360.00960.00530.00380.00450.005
0116Nitrogen, Total Oxidised as Nmg/l1.21.10.830.780.821.21.91.81.51.5
0117Nitrate as Nmg/l1.21.10.8290.7790.8191.21.91.81.51.5
0118Nitrite as Nmg/l< 0.0010.00170.0013< 0.0010.00140.0012< 0.001< 0.001< 0.001< 0.001
0119Ammonia un-ionised as Nmg/l3.0e-054.0e-052.0e-053.0e-05< 1.0e-052.0e-054.0e-052.0e-05< 1.0e-051.0e-05
0135Solids, Suspended at 105 Cmg/l5.44.74.5< 33.5< 39.99.73.84.9
0162Alkalinity to pH 4.5 as CaCO3mg/l1311912101316< 51112
0180Orthophosphate, reactive as Pmg/l0.0120.0110.0110.00890.0110.0120.0130.0070.00830.008
6396Turbidityntu2.62.921.31.913.71.21.2< 1
7887Chlorophyll : Acetone Extractμg/l4.64.35.86.73.821.71.40.861
9901Oxygen, Dissolved, % Saturation%101.6102.399.9100.3100.1100.3100101.9101.396.2
9924Oxygen, Dissolved as O2mg/l1110.59.99.969.5110.211.112.412.211.5

Samples from 12 Aug 2021 to 5 Apr 2023

NotationDeterminandUnits12 Aug
2021
10:44
30 Sep
2021
11:40
18 Oct
2021
12:42
9 Nov
2021
14:30
9 Dec
2021
14:15
4 Jan
2022
13:50
2 Feb
2022
12:11
8 Mar
2022
13:55
1 Mar
2023
14:28
5 Apr
2023
11:34
0061pH7.467.26.957.236.957.257.247.47.09
0076Temperature of Water°C15.11313.111.88.8996.910
0077Conductivity at 25 Cμs/cm86969496110999693100
0111Ammoniacal Nitrogen as Nmg/l0.00680.0032< 0.0020.00260.00460.00540.00460.00690.0035
0116Nitrogen, Total Oxidised as Nmg/l0.65111.31.61.51.31.21.4
0117Nitrate as Nmg/l0.6490.9990.9991.31.61.51.31.21.4
0118Nitrite as Nmg/l0.00130.00110.00140.0010.00120.00140.001< 0.001< 0.001
0119Ammonia un-ionised as Nmg/l5.0e-051.0e-05< 1.0e-05< 1.0e-05< 1.0e-052.0e-051.0e-053.0e-05< 1.0e-05
0135Solids, Suspended at 105 Cmg/l< 33.33.2< 36.8< 3< 3< 3< 3
0162Alkalinity to pH 4.5 as CaCO3mg/l10121311131411711
0180Orthophosphate, reactive as Pmg/l0.0120.0140.0140.00760.00940.00860.0110.00870.0073
2348Escherichia coli : Confirmed : MFno/100ml1000500580130063290
3722Enterococci: Intestinal: Presumptive: MFcfu/0.1l4201201101703654
3723Enterococci: Intestinal: Confirmed: MFcfu/0.1l420110861703654
6396Turbidityntu1.11.52.71.31.3< 11.31.3
7887Chlorophyll : Acetone Extractμg/l108.77.11.61.41.61.1
9901Oxygen, Dissolved, % Saturation%101.410087.5100.191.994.6102101.899.9
9924Oxygen, Dissolved as O2mg/l10.210.59.1810.810.710.911.812.411.3