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sampling point
River Stour At Marnhull

Description RIVER STOUR AT MARNHULL
Sampling point ID SW-50340520
Type Freshwater – Rivers
Status open
Location easting northing: 376700 120140
lat lon: 50.980188, -2.333268
Area Wessex
Sub-Area East Wessex
Summary 226 samples taken between 2021 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.

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

Sampling results

Displaying the twenty most recent samples. You can see all 226 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Nov 2020 to 6 Aug 2021

NotationDeterminandUnits11 Nov
2020
13:39
11 Dec
2020
12:01
8 Jan
2021
13:27
4 Feb
2021
14:29
1 Mar
2021
13:22
7 Apr
2021
10:47
14 May
2021
11:54
17 Jun
2021
14:02
14 Jul
2021
14:08
6 Aug
2021
11:50
0061pH6.368.067.978.128.428.038.247.757.9
0076Temperature of Water°C11.684.37.68.17.312.219.117.716.2
0077Conductivity at 25 Cμs/cm521588623524603621560618525586
0111Ammoniacal Nitrogen as Nmg/l< 0.030.0510.0570.0940.031< 0.030.11< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l4.95.785.87.37.75.25.83.84.8
0117Nitrate as Nmg/l4.885.657.955.767.277.685.145.783.774.79
0118Nitrite as Nmg/l0.0230.0530.0510.040.030.0170.0630.020.0320.0061
0119Ammonia un-ionised as Nmg/l< 1.0e-050.00080.001340.00049< 0.000450.00236< 0.00106< 0.00055< 0.00069
0162Alkalinity to pH 4.5 as CaCO3mg/l190210230200230230180240180220
0180Orthophosphate, reactive as Pmg/l0.140.140.130.110.130.110.180.210.250.21
9901Oxygen, Dissolved, % Saturation%86.390.6101.191.799.7103.485.492.480.685.3
9924Oxygen, Dissolved as O2mg/l9.3710.713.11111.812.49.148.537.668.36

Samples from 14 Jul 2019 to 13 Oct 2020

NotationDeterminandUnits14 Jul
2019
13:17
21 Aug
2019
13:05
11 Sep
2019
15:07
22 Oct
2019
14:40
26 Nov
2019
14:47
5 Dec
2019
13:24
9 Jan
2020
11:18
13 Feb
2020
13:20
4 Mar
2020
11:21
13 Oct
2020
15:18
0061pH8.247.857.977.987.898.087.737.8588.03
0076Temperature of Water°C1915.714.31110.45.79.77.27.410.9
0077Conductivity at 25 Cμs/cm614559570599471630579482551613
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.030.0460.0450.0670.20.082< 0.03
0116Nitrogen, Total Oxidised as Nmg/l5.54.45.67.55.27.86.84.86.16.5
0117Nitrate as Nmg/l5.494.395.597.475.167.756.744.776.076.48
0118Nitrite as Nmg/l0.0120.00650.00760.0330.0450.0550.0570.0340.0330.024
0119Ammonia un-ionised as Nmg/l< 0.00105< 0.00059< 0.0007< 0.000560.000670.00060.000650.002110.00124< 0.00058
0162Alkalinity to pH 4.5 as CaCO3mg/l230190230230180230220180220220
0180Orthophosphate, reactive as Pmg/l0.50.450.530.220.160.20.220.150.120.17
9901Oxygen, Dissolved, % Saturation%92.782.384.587.682.392.390.385.385.887.1
9924Oxygen, Dissolved as O2mg/l8.588.158.639.649.1811.610.210.310.39.61