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sampling point
River Irwell At A6044 Road Bridge

Description RIVER IRWELL AT A6044 ROAD BRIDGE
Sampling point ID NW-88002344
Type Freshwater – Rivers
Status open
Location easting northing: 380696 401992
lat lon: 53.514236, -2.29257
Area Greater Manchester Merseyside And Cheshire
Sub-Area Manchester
Summary 140 samples taken between 2024 and 2009

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
  • CHLOROPHYLL
  • COD as O2
  • Ca Filtered
  • Cadmium - Cd
  • Cd - Dry Wt
  • Cd Filtered
  • Chloride Ion
  • Cond @ 25C
  • DrySolids30C
  • Fe- Filt
  • Hg - Dry Wt
  • Hg Filtered
  • Mercury - Hg
  • Mg Filtered
  • Mn BLM Bio
  • Mn- Filtered
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Sample Prep
  • SiO2 Rv
  • Sld Sus@105C
  • Temp Water
  • TurbidityNTU
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 140 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Jul 2023 to 13 Mar 2024

NotationDeterminandUnits10 Jul
2023
10:57
26 Jul
2023
08:09
16 Aug
2023
08:22
28 Sep
2023
12:51
24 Oct
2023
10:00
7 Nov
2023
10:35
13 Dec
2023
11:02
16 Jan
2024
13:26
8 Feb
2024
12:02
13 Mar
2024
10:36
0061pH7.687.677.567.517.577.717.657.767.677.54
0076Temperature of Water°C17.515.814.611.19.97.73.86.29.5
0077Conductivity at 25 Cμs/cm445320368342186282664439420
0085BOD : 5 Day ATUmg/l< 31.63.51.32.92.12.31.93.2
0103Mercury, Dissolvedμg/l< 0.01< 0.01< 0.01
0106Cadmium, Dissolvedμg/l0.020.0170.0280.025
0111Ammoniacal Nitrogen as Nmg/l0.360.360.40.590.190.291.71.21.1
0116Nitrogen, Total Oxidised as Nmg/l3.72.33.13.31.32.34.33.3
0117Nitrate as Nmg/l3.62.263.023.231.282.274.213.19
0118Nitrite as Nmg/l0.0960.0450.0850.0730.0190.0320.0860.11
0119Ammonia un-ionised as Nmg/l0.005520.00370.003360.004390.001780.002010.01140.00780.00678
0135Solids, Suspended at 105 Cmg/l7.6513601036129.19.513
0162Alkalinity to pH 4.5 as CaCO3mg/l808678765366907482
0172Chloridemg/l3423282412211005638
0180Orthophosphate, reactive as Pmg/l0.0720.0490.0660.0370.0450.0470.0460.0460.1
0235Magnesium, Dissolvedmg/l4.94.82.76.1
0239Calcium, Dissolvedmg/l33322235
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l6.37.57.75.2
9901Oxygen, Dissolved, % Saturation%89.794.89394.8101.997.197.197.692.9
9924Oxygen, Dissolved as O2mg/l8.559.379.4310.411.511.612.812.110.6

Samples from 4 Jul 2022 to 8 Jun 2023

NotationDeterminandUnits 4 Jul
2022
13:33
18 Aug
2022
12:52
16 Sep
2022
10:33
11 Oct
2022
12:10
1 Nov
2022
10:44
7 Dec
2022
12:37
31 Jan
2023
12:47
15 Feb
2023
14:10
8 Mar
2023
13:07
8 Jun
2023
10:38
0061pH7.537.537.637.717.577.628.547.67.657.51
0076Temperature of Water°C15.918.114.111.711.95.77.76.75.614.4
0077Conductivity at 25 Cμs/cm476630609402216474545497574535
0085BOD : 5 Day ATUmg/l1.62.51.32.17.32.13.22.32.31.8
0111Ammoniacal Nitrogen as Nmg/l0.361.210.430.290.690.850.610.50.58
0116Nitrogen, Total Oxidised as Nmg/l4.66.74.53.41.85.656.25.76.2
0117Nitrate as Nmg/l4.526.654.433.361.775.534.96.15.626.06
0118Nitrite as Nmg/l0.0780.0480.0680.0390.0330.0710.0990.10.0770.14
0119Ammonia un-ionised as Nmg/l0.003490.01370.01060.00460.002290.003860.01310.003510.002970.0048
0135Solids, Suspended at 105 Cmg/l5.16.66.57.812086.48.49.15.8
0162Alkalinity to pH 4.5 as CaCO3mg/l86939671558777867888
0172Chloridemg/l39654635154064395544
0180Orthophosphate, reactive as Pmg/l0.110.140.0930.0630.0970.110.0550.0730.0740.088
9901Oxygen, Dissolved, % Saturation%93.991.284.892.198.296.59697.9101.984.7
9924Oxygen, Dissolved as O2mg/l9.268.598.699.9710.612.111.41212.88.63