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sampling point
R Itchen St Cross Bridge

Description RIVER ITCHEN AT ST CROSS BRIDGE
Sampling point ID SO-G0003795
Type Freshwater – Rivers
Status open
Location easting northing: 447656 127075
lat lon: 51.041058, -1.32163
Area Solent And South Downs
Sub-Area L&W West Ssd
Summary 255 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.

36 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • C - Org Filt
  • CHLOROPHYLL
  • COPA
  • Calcium - Ca
  • Chloride Ion
  • ChlorophyllA
  • ChlorophyllB
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • DataHandling
  • Hardness
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phaeophytn-A
  • Phaeophytn-B
  • Phenol Odour
  • PhenolicOdor
  • Phosphate
  • River Flow
  • Sld Sus@105C
  • Temp Water
  • Zinc - as Zn
  • Zn- Filtered
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 255 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 16 Oct 2023 to 15 Jul 2024

NotationDeterminandUnits16 Oct
2023
12:34
28 Nov
2023
09:52
5 Dec
2023
09:31
17 Jan
2024
09:42
20 Feb
2024
13:04
18 Mar
2024
11:40
24 Apr
2024
14:36
13 May
2024
13:41
18 Jun
2024
11:30
15 Jul
2024
16:43
0061pH8.147.917.868.088.068.058.128.098.18.07
0076Temperature of Water°C9.48.48.56.49.710.910.814.114.414
0077Conductivity at 25 Cμs/cm608628612630624622615610607604
0085BOD : 5 Day ATUmg/l< 1< 1< 1< 11< 11.31.31< 1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.030.079< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l7.68.47.88.68.58.28.58.28.27.6
0117Nitrate as Nmg/l7.598.387.798.598.498.198.498.198.187.58
0118Nitrite as Nmg/l0.0150.0160.0150.0110.0110.0150.0130.0130.0210.018
0119Ammonia un-ionised as Nmg/l< 0.00052< 0.0004< 0.000360.00111< 0.00054< 0.00058< 0.00058< 0.00074< 0.00075< 0.00073
0135Solids, Suspended at 105 Cmg/l3.65.56.8129.29.45.94.4
0162Alkalinity to pH 4.5 as CaCO3mg/l250250250260250250250250250250
0180Orthophosphate, reactive as Pmg/l0.0490.0530.0570.0540.0460.0490.0430.0260.040.029
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l0.911.11.70.970.91.40.971.3
9901Oxygen, Dissolved, % Saturation%106.693.491.994.999.9100.8107.7105.5105.699.6
9924Oxygen, Dissolved as O2mg/l12.210.910.711.711.311.111.910.810.810.2

Samples from 1 Dec 2022 to 8 Sep 2023

NotationDeterminandUnits 1 Dec
2022
12:08
25 Jan
2023
11:30
9 Feb
2023
11:56
10 Mar
2023
09:14
21 Apr
2023
13:22
17 May
2023
12:30
16 Jun
2023
10:41
19 Jul
2023
10:10
14 Aug
2023
11:04
8 Sep
2023
10:14
0061pH7.977.527.927.967.998.047.188.097.988
0076Temperature of Water°C8.82.17.48.510.112.913.615.115.316.4
0077Conductivity at 25 Cμs/cm618647618598603602819586596602
0085BOD : 5 Day ATUmg/l1.5< 31.3121.2< 3< 1< 11.1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.030.0410.035< 0.030.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l8.15.18.57.88.184.6777.4
0117Nitrate as Nmg/l8.085.098.497.788.097.984.586.996.987.39
0118Nitrite as Nmg/l0.020.00870.0110.0210.0140.0170.0230.0150.0220.013
0119Ammonia un-ionised as Nmg/l< 0.00047< 0.0001< 0.000380.000610.00063< 0.000680.00011< 0.00079< 0.00077< 0.00087
0135Solids, Suspended at 105 Cmg/l8.2< 313147.33.83.5< 34.13.3
0162Alkalinity to pH 4.5 as CaCO3mg/l250270270250240270280240250250
0180Orthophosphate, reactive as Pmg/l0.0570.0670.0440.0460.0230.0390.020.0370.0410.026
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l13.10.8111.111.80.991.30.99
9901Oxygen, Dissolved, % Saturation%99.453.297.597.297.4109.942.2104.498105.1
9924Oxygen, Dissolved as O2mg/l11.57.3311.711.410.911.64.3810.59.7910.3