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sampling point
R. Okement At Brightley Bridge

Description RIVER OKEMENT AT BRIGHTLEY BRIDGE
Sampling point ID SW-72940185
Type Freshwater – Rivers
Status open
Location easting northing: 259871 97447
lat lon: 50.759648, -3.988137
Area Devon And Cornwall
Sub-Area East Devon And Cornwall
Summary 101 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.

25 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
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Potassium- K
  • Temp Water
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 101 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 22 Sep 2023 to 6 Aug 2024

NotationDeterminandUnits22 Sep
2023
10:13
16 Oct
2023
10:26
7 Nov
2023
12:35
7 Dec
2023
11:33
4 Jan
2024
15:07
1 Feb
2024
13:39
8 Mar
2024
14:06
7 Jun
2024
13:23
5 Jul
2024
10:47
6 Aug
2024
10:55
0061pH7.767.976.86.867.097.217.237.547.687.78
0076Temperature of Water°C139.210.48.98.47.87.212.814.616.2
0077Conductivity at 25 Cμs/cm699281778589961029392
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l0.40.660.70.640.870.740.960.520.50.38
0117Nitrate as Nmg/l0.3960.6560.6960.6360.8660.7360.9560.5160.4960.376
0118Nitrite as Nmg/l< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004
0119Ammonia un-ionised as Nmg/l< 0.0004< 0.00048< 4.0e-05< 4.0e-05< 6.0e-05< 8.0e-05< 8.0e-05< 0.00024< 0.00037< 0.00052
0162Alkalinity to pH 4.5 as CaCO3mg/l797810910101411
0180Orthophosphate, reactive as Pmg/l0.012< 0.01< 0.01< 0.010.01< 0.01< 0.01< 0.01< 0.01< 0.01
9901Oxygen, Dissolved, % Saturation%101.9101.6101.7102.1100.2100.4102.4103.4101101
9924Oxygen, Dissolved as O2mg/l10.711.711.311.811.711.912.410.910.29.9

Samples from 21 Sep 2022 to 31 Aug 2023

NotationDeterminandUnits21 Sep
2022
08:36
14 Oct
2022
07:50
4 Nov
2022
13:42
2 Dec
2022
16:29
23 Jan
2023
13:36
7 Feb
2023
10:45
3 Mar
2023
12:12
3 Apr
2023
09:55
12 May
2023
10:37
31 Aug
2023
11:40
0061pH7.346.896.927.997.127.897.387.337.037.72
0076Temperature of Water°C11.41211.286.33.94.37.710.713.8
0077Conductivity at 25 Cμs/cm1189094877511197979491
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.030.17
0116Nitrogen, Total Oxidised as Nmg/l0.520.4610.760.760.950.7610.720.51
0117Nitrate as Nmg/l0.5160.9960.7560.7560.9460.7560.9960.7160.505
0118Nitrite as Nmg/l< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.0040.0046
0119Ammonia un-ionised as Nmg/l< 0.00013< 5.0e-05< 0.00046< 6.0e-05< 0.00027< 9.0e-05< 0.0001< 6.0e-050.00217
0162Alkalinity to pH 4.5 as CaCO3mg/l11101067111091014
0180Orthophosphate, reactive as Pmg/l< 0.01< 0.01< 0.01< 0.01< 0.010.024< 0.01< 0.010.014
9901Oxygen, Dissolved, % Saturation%99.8100.199.599.2101.8102.4101.6101.1101.397.3
9924Oxygen, Dissolved as O2mg/l10.910.810.911.712.613.413.21211.210