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sampling point
R.Test Middlebridge

Description RIVER TEST AT MIDDLEBRIDGE ROMSEY
Sampling point ID SO-G0003893
Type Freshwater – Unspecified
Status open
Location easting northing: 434928 120675
lat lon: 50.984423, -1.503781
Area Solent And South Downs
Sub-Area L&W West Ssd
Summary 263 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.

42 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • C - Org Filt
  • CHLOROPHYLL
  • COPA
  • Ca Filtered
  • Calcium - Ca
  • Cd Filtered
  • Chloride Ion
  • ChlorophyllA
  • ChlorophyllB
  • Chlorophylls
  • Cond @ 20C
  • Cond @ 25C
  • Cr- Filtered
  • Cu BLM Bio
  • Cu Filtered
  • DataHandling
  • Fe- Filt
  • Hardness
  • Magnesium-Mg
  • Mn BLM Bio
  • Mn- Filtered
  • N Oxidised
  • NH3 un-ion
  • Ni BLM Bio
  • Ni- Filtered
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Pb BLM Bio
  • Pb Filtered
  • Phaeophytn-A
  • Phaeophytn-B
  • Sld Sus@105C
  • Temp Water
  • Zn BLM Bio
  • Zn- Filtered
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 263 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 8 Aug 2023 to 9 Jul 2024

NotationDeterminandUnits 8 Aug
2023
08:58
4 Sep
2023
10:52
4 Oct
2023
15:54
1 Nov
2023
09:40
1 Dec
2023
08:47
2 Jan
2024
12:03
5 Feb
2024
15:45
1 Mar
2024
16:50
3 Jun
2024
14:19
9 Jul
2024
13:55
0061pH7.978.058.177.98.027.948.028.038.338.15
0076Temperature of Water°C14.517.214.211.65.610.110.28.515.514.7
0077Conductivity at 25 Cμs/cm565579588571608528605532584591
0085BOD : 5 Day ATUmg/l< 3< 11.2< 11.3311.31.2< 3
0111Ammoniacal Nitrogen as Nmg/l0.0530.0470.0530.04< 0.030.0670.037< 0.030.0330.069
0116Nitrogen, Total Oxidised as Nmg/l7.37.67.66.68.16.78.46.97.67.6
0117Nitrate as Nmg/l7.277.577.576.588.096.688.396.897.587.58
0118Nitrite as Nmg/l0.0280.0290.0260.0160.00880.0160.0130.00980.0160.024
0119Ammonia un-ionised as Nmg/l0.001260.001450.001310.00065< 0.00040.001070.00068< 0.000490.00090.00177
0135Solids, Suspended at 105 Cmg/l< 3< 33.99.57.82810284.35.5
0162Alkalinity to pH 4.5 as CaCO3mg/l240230230240250200250220230230
0180Orthophosphate, reactive as Pmg/l0.0240.0180.0390.0490.0410.0660.0470.0370.0150.033
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l1.51.31.42.91.63.61.32.51.41.6
9901Oxygen, Dissolved, % Saturation%94.6101.9107.993.395.194.597.899.5111.898.7
9924Oxygen, Dissolved as O2mg/l9.629.781110.111.910.61111.611.19.99

Samples from 27 Oct 2022 to 7 Jul 2023

NotationDeterminandUnits27 Oct
2022
13:15
21 Nov
2022
12:11
6 Dec
2022
09:54
25 Jan
2023
12:49
21 Feb
2023
09:07
1 Mar
2023
08:30
24 Apr
2023
09:10
2 May
2023
08:58
1 Jun
2023
13:26
7 Jul
2023
18:32
0061pH88.168.098.128.177.968.028.228.27
0076Temperature of Water°C14.19.48.16.29.87.410.61215.517.6
0077Conductivity at 25 Cμs/cm589595603603575575580579571571
0085BOD : 5 Day ATUmg/l< 11.31.31.2< 11.21.11.11.7< 1
0111Ammoniacal Nitrogen as Nmg/l0.0640.0610.0580.0310.0580.0340.0480.0390.0430.081
0116Nitrogen, Total Oxidised as Nmg/l7.27.37.88.88.58.77.788.17.4
0117Nitrate as Nmg/l7.167.287.798.798.498.697.697.998.087.37
0118Nitrite as Nmg/l0.040.0160.0150.00690.00810.00760.0110.0140.0230.028
0119Ammonia un-ionised as Nmg/l0.001570.000920.000430.001040.000510.000840.000820.001170.00257
0135Solids, Suspended at 105 Cmg/l5.698.6151114128.75.93.8
0162Alkalinity to pH 4.5 as CaCO3mg/l240220240230240260240230230240
0180Orthophosphate, reactive as Pmg/l0.050.050.0570.0870.0370.0290.0250.0170.0120.027
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l1.821.51.51.31.21.31.41.61.5
9901Oxygen, Dissolved, % Saturation%97.795.893.398.596.597.499.397.6117111.3
9924Oxygen, Dissolved as O2mg/l1010.91112.210.911.71110.511.610.6