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

sampling point
River Venn D/S Of Venn Quarry

Description RIVER VENN DOWNSTREAM OF VENN QUARRY
Sampling point ID SW-73012713
Type Freshwater – Rivers
Status open
Location easting northing: 258184 130386
lat lon: 51.055253, -4.024848
Area Devon And Cornwall
Sub-Area East Devon And Cornwall
Summary 105 samples taken between 2024 and 2012

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.

21 determinands have been measured at this site
  • As-Filtered
  • C - Org Filt
  • Ca Filtered
  • Calcium - Ca
  • Cd Filtered
  • Cu BLM Bio
  • Cu Filtered
  • Fe- Filt
  • Hardness
  • Magnesium-Mg
  • Mg Filtered
  • Mn BLM Bio
  • Mn- Filtered
  • Ni BLM Bio
  • Ni- Filtered
  • Pb BLM Bio
  • Pb Filtered
  • Sld Sus@105C
  • Zinc - as Zn
  • Zn- Filtered
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 105 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 15 Jun 2023 to 5 Jun 2024

NotationDeterminandUnits15 Jun
2023
12:11
10 Oct
2023
12:28
8 Nov
2023
13:16
24 Nov
2023
13:31
7 Dec
2023
12:14
11 Jan
2024
15:18
1 Feb
2024
11:13
11 Mar
2024
10:37
10 Apr
2024
12:32
5 Jun
2024
12:05
0052Lead, Dissolvedμg/l< 0.1< 0.10.120.150.22< 0.1< 0.1< 0.10.160.12
0061pH8.097.977.577.767.767.97.797.747.728.06
0106Cadmium, Dissolvedμg/l0.0160.0180.0660.0970.120.110.0310.0770.0850.021
0158Hardness, Total as CaCO3mg/l10510710084.7
0235Magnesium, Dissolvedmg/l6.76.15.26.76.76.25.67.54.86.7
0237Magnesiummg/l6.26.76.24.9
0239Calcium, Dissolvedmg/l37322732323031332638
0241Calciummg/l33322926
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l1.623.61.72.31.51.51.41.61.4
3377Lead : BLM Bioavailableμg/l0.030.030.030.090.10.030.030.040.10.09
3408Zinc, Dissolvedμg/l8.1171930
3410Nickel, Dissolvedμg/l1.61.84.96.9972.3652
3878Nickel : BLM Bioavailableμg/l1.41.32.355.35.51.84.13.81.6
4821Copper : BLM Bioavailableμg/l0.20.220.250.23
6045Arsenic, Dissolvedμg/l< 1< 1< 1< 1
6450Copper, Dissolvedμg/l1.11.11.11.2
6455Zincμg/l18182345
6460Iron, Dissolvedμg/l801303465

Samples from 30 Jul 2019 to 17 May 2023

NotationDeterminandUnits30 Jul
2019
09:51
19 Aug
2019
09:47
26 Sep
2019
12:04
16 Oct
2019
11:34
22 Oct
2019
12:35
29 Nov
2019
09:52
13 Dec
2019
12:12
29 Jan
2020
12:24
20 Feb
2020
12:35
17 May
2023
11:01
0052Lead, Dissolvedμg/l< 0.10.130.30.11< 0.10.11< 0.1< 0.1< 0.1< 0.1
0061pH7.87.77.67.78.028.067.347.77.67.96
0106Cadmium, Dissolvedμg/l0.230.170.0290.140.0360.50.040.410.30.019
0158Hardness, Total as CaCO3mg/l13899.6113
0235Magnesium, Dissolvedmg/l9.98.44.965.17.45.37.45.7
0237Magnesiummg/l9.967.4
0239Calcium, Dissolvedmg/l393525302833263331
0241Calciummg/l393033
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l1.82.55.13.21.92.61.92.12.11.3
3377Lead : BLM Bioavailableμg/l0.030.050.060.030.030.040.030.020.020.04
3408Zinc, Dissolvedμg/l11018140
3410Nickel, Dissolvedμg/l16124.35.61.917316101.5
3878Nickel : BLM Bioavailableμg/l9.016.021.572.721.65121.48.81.3
4821Copper : BLM Bioavailableμg/l0.260.160.26
6045Arsenic, Dissolvedμg/l< 1< 1< 1
6450Copper, Dissolvedμg/l1.51.92
6455Zincμg/l14025160
6460Iron, Dissolvedμg/l946768