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sampling point
Gammaton Reservoir (Surface)

Description GAMMATON STREAM AT GAMMATON RESERVOIR SURFACE
Sampling point ID SW-72911179
Type Freshwater – Lakes/Ponds/Reservoirs
Status open
Location easting northing: 248329 125293
lat lon: 51.006969, -4.163226
Area Devon And Cornwall
Sub-Area East Devon And Cornwall
Summary 256 samples taken between 2020 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.

40 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • CHLOR A
  • CHLOROPHYLL
  • Ca Filtered
  • Calcium - Ca
  • Colour Filt
  • Cond @ 20C
  • Cond @ 25C
  • Cu Filtered
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • Magnesium-Mg
  • Mg Filtered
  • Mineral Oils
  • N Oxid Filt
  • N Oxidised
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nitrate-N
  • Nitrite-N
  • Nitrogen - N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • OrthophsFilt
  • Oxygen Diss
  • Phenol Odour
  • PhenolicOdor
  • Phosphorus-P
  • Phytoplankto
  • SALinsitu
  • Sld Sus@105C
  • Temp Water
  • Type of Flow
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 256 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 29 May 2019 to 26 Feb 2020

NotationDeterminandUnits29 May
2019
12:04
26 Jun
2019
11:38
30 Jul
2019
11:54
24 Oct
2019
10:51
31 Oct
2019
11:47
25 Nov
2019
11:11
29 Nov
2019
10:26
13 Dec
2019
11:00
22 Jan
2020
11:18
26 Feb
2020
14:15
0072Colour, Filteredhazen5.85.86.47.3101314111211
0077Conductivity at 25 Cμs/cm239243247202244247132238210235
0162Alkalinity to pH 4.5 as CaCO3mg/l48504852464750444141
0348Phosphorus, Total as Pmg/l0.01490.0140.0150.0260.0260.0160.0210.0120.0130.015
7887Chlorophyll : Acetone Extractμg/l9.771215137.8118.48.69.5
9686Nitrogen, Total as Nmg/l3.472.61.92.73.34.64.44.34.74.4
9856Orthophosphate, Filtered as Pmg/l0.00320.00220.00350.0030.00290.0040.0450.00180.00270.0019
9943Nitrogen, Total Oxidised, Filtered as Nmg/l2.842.21.32.12.84.243.94.44.1

Samples from 9 Aug 2018 to 25 Apr 2019

NotationDeterminandUnits 9 Aug
2018
12:26
20 Sep
2018
11:22
20 Sep
2018
15:35
16 Oct
2018
09:18
16 Nov
2018
08:43
13 Dec
2018
08:48
7 Jan
2019
11:59
7 Feb
2019
12:35
11 Mar
2019
09:12
25 Apr
2019
10:13
0072Colour, Filteredhazen8.36.9117.37.49.89.2166.96.8
0077Conductivity at 25 Cμs/cm233234234244247250251250250249
0162Alkalinity to pH 4.5 as CaCO3mg/l48574763625244414345
0348Phosphorus, Total as Pmg/l0.0190.03110.03670.02920.02250.02150.01730.01570.02750.105
7887Chlorophyll : Acetone Extractμg/l16.527.727.233.72.46.96.26.926.216.8
9686Nitrogen, Total as Nmg/l0.950.690.740.931.973.855.144.915.414.75
9856Orthophosphate, Filtered as Pmg/l0.00270.00290.00530.00150.00370.00410.00420.00360.00620.0022
9943Nitrogen, Total Oxidised, Filtered as Nmg/l0.2870.02730.02390.131.263.454.484.624.83.89