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sampling point
River Till At Stapleford

Description RIVER TILL AT STAPLEFORD
Sampling point ID SW-50231010
Type Freshwater – Rivers
Status open
Location easting northing: 406918 136982
lat lon: 51.132069, -1.902504
Area Wessex
Sub-Area East Wessex
Summary 251 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.

47 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • C - Org Filt
  • COD as O2
  • Ca Filtered
  • Calcium - Ca
  • Chlorophyl-A
  • Cond @ 20C
  • Cond @ 25C
  • Cu Filtered
  • Fe- Filt
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • Iron - as Fe
  • Magnesium-Mg
  • Mg Filtered
  • Mineral Oils
  • Mn BLM Bio
  • Mn- Filtered
  • N Inorganic
  • N Oxidised
  • N-Kjeldahl
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • OrthophsFilt
  • OrthophsFilt
  • Oxygen Diss
  • Phenol Odour
  • PhenolicOdor
  • Phosphate
  • Phosphorus-P
  • Potassium- K
  • SiO2 Rv
  • Sld Sus@105C
  • Temp Water
  • TurbidityNTU
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 251 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 16 Aug 2023 to 29 Jul 2024

NotationDeterminandUnits16 Aug
2023
09:49
12 Sep
2023
12:55
12 Oct
2023
10:50
3 Nov
2023
13:21
1 Dec
2023
13:45
12 Jan
2024
10:08
7 Feb
2024
10:44
4 Mar
2024
13:26
3 Apr
2024
10:12
29 Jul
2024
10:35
0061pH7.897.847.797.657.887.917.857.937.677.81
0076Temperature of Water°C1314.713.111.37.87.39.48.7
0077Conductivity at 25 Cμs/cm552549549574578589573575
0111Ammoniacal Nitrogen as Nmg/l0.00990.0120.00840.00950.0120.0170.0150.0073
0116Nitrogen, Total Oxidised as Nmg/l5.85.75.55.66.56.576.5
0117Nitrate as Nmg/l5.795.695.495.596.496.496.996.49
0118Nitrite as Nmg/l0.00920.0120.0110.00850.00740.00920.00990.0052
0119Ammonia un-ionised as Nmg/l0.000180.000220.000129.0e-050.000140.000210.000190.0001
0162Alkalinity to pH 4.5 as CaCO3mg/l240240230240240250240240
0180Orthophosphate, reactive as Pmg/l0.0190.0230.0270.0320.0390.0620.0450.035
0235Magnesium, Dissolvedmg/l1.61.81.71.7
0239Calcium, Dissolvedmg/l100110110110
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l1.61.81.71.2
6460Iron, Dissolvedμg/l< 3012031< 30
9901Oxygen, Dissolved, % Saturation%94.5100.788.894.49787.394.2103.6
9924Oxygen, Dissolved as O2mg/l9.9310.29.3110.311.510.510.812

Samples from 4 May 2021 to 14 Jul 2023

NotationDeterminandUnits 4 May
2021
11:15
14 Jun
2021
10:54
7 Sep
2021
10:39
20 Oct
2021
13:33
15 Nov
2021
10:22
16 Dec
2021
11:48
5 Apr
2023
14:47
11 May
2023
10:02
8 Jun
2023
11:58
14 Jul
2023
12:09
0061pH7.978.137.987.787.888.037.847.777.837.67
0076Temperature of Water°C1016.714.413.810.89.910.211.713.713
0077Conductivity at 25 Cμs/cm556562554512553546568570566553
0111Ammoniacal Nitrogen as Nmg/l0.010.0170.0160.00320.00570.0140.00660.00810.00850.02
0116Nitrogen, Total Oxidised as Nmg/l6.36.25.555.75.96.56.25.95.7
0117Nitrate as Nmg/l6.296.195.494.995.695.896.496.195.895.69
0118Nitrite as Nmg/l0.0130.0150.0130.00940.00740.00650.00690.0140.0140.0093
0119Ammonia un-ionised as Nmg/l0.000170.000510.000385.0e-058.0e-050.000258.0e-050.00010.000140.00022
0162Alkalinity to pH 4.5 as CaCO3mg/l220220220210230230230240240230
0180Orthophosphate, reactive as Pmg/l0.0160.0880.0220.0340.020.0220.0240.0210.0160.027
0235Magnesium, Dissolvedmg/l1.71.6
0239Calcium, Dissolvedmg/l110110
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l1.41.5
6460Iron, Dissolvedμg/l< 30< 30
9901Oxygen, Dissolved, % Saturation%107.4101.398.388.992.892.110094.910991.1
9924Oxygen, Dissolved as O2mg/l12.19.83109.1810.310.411.210.311.39.58