We would welcome your feedback to help us make future improvements.

sampling point
River Weaver At Hunts Lock Northwich

Description RIVER WEAVER AT HUNTS LOCK NORTHWICH
Sampling point ID NW-88000737
Type Freshwater – Rivers
Status open
Location easting northing: 365578 372939
lat lon: 53.252326, -2.517367
Area Greater Manchester Merseyside And Cheshire
Sub-Area Cheshire
Summary 193 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.

32 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • CHLOROPHYLL
  • COD as O2
  • Calcium - Ca
  • Chloride Ion
  • Chlorophylls
  • Cond @ 20C
  • Cond @ 25C
  • Cu Filtered
  • Hardness
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • OMR Smpl Num
  • Orthophospht
  • Oxygen Diss
  • Sld NV@500C
  • Sld Sus@105C
  • Temp Water
  • Weth-Visibty
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • Weth7Dy-Vsy
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 193 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 19 Oct 2023 to 22 Jul 2024

NotationDeterminandUnits19 Oct
2023
10:12
22 Nov
2023
12:23
7 Dec
2023
13:04
18 Jan
2024
13:07
20 Feb
2024
12:02
19 Mar
2024
12:14
15 Apr
2024
09:52
14 May
2024
15:28
19 Jun
2024
14:40
22 Jul
2024
13:50
0061pH7.817.927.747.837.577.937.847.917.857.79
0076Temperature of Water°C11.69.84.62.99.511.811.31817.519.6
0077Conductivity at 25 Cμs/cm9348315781040577768760136812091176
0085BOD : 5 Day ATUmg/l3.23.3< 22.82.2< 7
0111Ammoniacal Nitrogen as Nmg/l0.210.240.280.510.280.420.260.290.330.27
0116Nitrogen, Total Oxidised as Nmg/l75.65.47.745.24.89.26.76.9
0117Nitrate as Nmg/l6.935.545.357.653.945.114.738.996.586.81
0118Nitrite as Nmg/l0.0730.0630.0480.0550.060.0930.0720.210.120.095
0119Ammonia un-ionised as Nmg/l0.00280.00360.00190.003740.001850.007460.003630.007740.007420.00618
0162Alkalinity to pH 4.5 as CaCO3mg/l190200140200150190190210200190
0180Orthophosphate, reactive as Pmg/l0.250.260.220.20.220.160.210.110.160.19
9901Oxygen, Dissolved, % Saturation%91.892.495.494.383.89193.197.184.676.1
9924Oxygen, Dissolved as O2mg/l9.9610.512.312.79.559.8310.29.178.076.96

Samples from 2 Dec 2022 to 8 Sep 2023

NotationDeterminandUnits 2 Dec
2022
09:35
27 Jan
2023
13:01
15 Feb
2023
10:17
15 Mar
2023
11:21
26 Apr
2023
17:04
16 May
2023
09:59
16 Jun
2023
12:22
18 Jul
2023
10:56
4 Aug
2023
12:52
8 Sep
2023
12:53
0061pH7.97.898.077.728.268.057.657.557.798.08
0076Temperature of Water°C7.24.667.412.514.92217.517.219.8
0077Conductivity at 25 Cμs/cm100210071261753126911101093127712311416
0085BOD : 5 Day ATUmg/l1.61.71.74.44.1< 4
0111Ammoniacal Nitrogen as Nmg/l0.230.290.280.240.210.280.880.20.280.032
0116Nitrogen, Total Oxidised as Nmg/l8.98.6106.786.34.85.95.67.4
0117Nitrate as Nmg/l8.828.549.946.657.946.214.565.85.517.34
0118Nitrite as Nmg/l0.0810.0630.0570.0550.0560.090.240.0960.0940.058
0119Ammonia un-ionised as Nmg/l0.002720.002770.003810.001910.00460.00730.01750.002280.005380.00119
0135Solids, Suspended at 105 Cmg/l14148.342
0162Alkalinity to pH 4.5 as CaCO3mg/l170180200160210190140170180210
0172Chloridemg/l13014019097
0180Orthophosphate, reactive as Pmg/l0.180.160.170.240.110.170.180.280.30.2
9901Oxygen, Dissolved, % Saturation%88.781.891.193.4108.890.595.575.760.8116
9924Oxygen, Dissolved as O2mg/l10.710.511.311.211.69.128.337.225.8410.6