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sampling point
R Brede At A21

Description RIVER BREDE AT A21 (UPSTREAM CONFLUENCE RIVER LINE)
Sampling point ID SO-E0001589
Type Freshwater – Rivers
Status open
Location easting northing: 577613 117486
lat lon: 50.929477, 0.526095
Area Kent And South London
Sub-Area L&W Kent And East Sussex Ksl
Summary 166 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.

33 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • C - Org Filt
  • COPA
  • Ca Filtered
  • Calcium - Ca
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr Hex Filt
  • Cr Hexavalnt
  • Cr- Filtered
  • Cu BLM Bio
  • Cu Filtered
  • GCMS Semi-Q
  • Hardness
  • MR Screen
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Ni- Filtered
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Pb Filtered
  • Temp Water
  • Zinc - as Zn
  • Zn- Filtered
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 166 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 4 Sep 2023 to 18 Jun 2024

NotationDeterminandUnits 4 Sep
2023
12:55
18 Oct
2023
10:05
20 Nov
2023
11:18
4 Dec
2023
11:14
15 Jan
2024
12:15
22 Feb
2024
11:51
18 Mar
2024
09:22
18 Apr
2024
14:00
20 May
2024
12:56
18 Jun
2024
14:28
0061pH7.267.597.17.197.057.147.267.157.447.24
0076Temperature of Water°C16.811.811.17.46.110.210.410.513.314.1
0077Conductivity at 25 Cμs/cm678757299226398345344448480572
0085BOD : 5 Day ATUmg/l2.91.2< 2< 11.2
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.031.90.170.0740.43< 0.030.0370.0320.043
0116Nitrogen, Total Oxidised as Nmg/l14192.11.75.53.53.68.67.811
0117Nitrate as Nmg/l14192.031.685.483.443.598.587.7711
0118Nitrite as Nmg/l0.020.020.0660.0190.0160.0560.0140.0170.0290.025
0119Ammonia un-ionised as Nmg/l< 0.00017< 0.000250.004810.00040.000120.00112< 0.00010.00010.000210.00019
0162Alkalinity to pH 4.5 as CaCO3mg/l91826639516260536473
0180Orthophosphate, reactive as Pmg/l0.150.140.230.0980.0690.120.0930.0950.110.18
9901Oxygen, Dissolved, % Saturation%78.380.97990.388.189.890.188.887.182.5
9924Oxygen, Dissolved as O2mg/l7.588.748.6710.810.910.110.19.899.098.46

Samples from 19 Nov 2019 to 2 Aug 2023

NotationDeterminandUnits19 Nov
2019
11:36
4 Dec
2019
14:58
14 Jan
2020
15:53
5 Feb
2020
12:32
5 Mar
2020
11:06
24 Apr
2023
11:38
23 May
2023
08:43
29 Jun
2023
10:31
28 Jul
2023
08:52
2 Aug
2023
10:50
0061pH7.217.126.917.357.477.866.957.17.187.35
0076Temperature of Water°C7.579.88.27.910.712.216.516.516.8
0077Conductivity at 25 Cμs/cm395433323392339395488626543427
0085BOD : 5 Day ATUmg/l2.3
0111Ammoniacal Nitrogen as Nmg/l< 0.030.0620.84< 0.031.2< 0.03< 0.03< 0.030.050.43
0116Nitrogen, Total Oxidised as Nmg/l5.77.53.55.83.15.51117127.1
0117Nitrate as Nmg/l5.697.463.465.793.055.481117127.02
0118Nitrite as Nmg/l0.01330.0420.0430.0120.0520.0210.0210.0310.0290.077
0119Ammonia un-ionised as Nmg/l< 7.0e-050.000120.00125< 0.000110.0056< 0.00042< 6.0e-05< 0.000110.000230.00295
0158Hardness, Total as CaCO3mg/l104105
0162Alkalinity to pH 4.5 as CaCO3mg/l57556556685447536562
0180Orthophosphate, reactive as Pmg/l0.0480.0550.0990.0760.110.0830.050.140.150.16
0237Magnesiummg/l5.35.4
0239Calcium, Dissolvedmg/l3433
0241Calciummg/l3333
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l4.013.5
3408Zinc, Dissolvedμg/l8.79.2
3409Chromium, Dissolvedμg/l< 0.5< 0.5
4821Copper : BLM Bioavailableμg/l0.120.12
6450Copper, Dissolvedμg/l21.8
6455Zincμg/l1018
6619Chromium Hexavalent, Dissolved :- {Cr VI}μg/l0.13< 0.05
9901Oxygen, Dissolved, % Saturation%81.587.188.796.391.193.284.576.778.477.6
9924Oxygen, Dissolved as O2mg/l9.7610.61011.310.810.39.047.477.647.51