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sampling point
River Irk Above Royton Etw

Description RIVER IRK ABOVE ROYTON EFFLUENT TREATMENT WORKS
Sampling point ID NW-88002354
Type Freshwater – Rivers
Status open
Location easting northing: 390600 407192
lat lon: 53.561247, -2.143375
Area Greater Manchester Merseyside And Cheshire
Sub-Area Manchester
Summary 203 samples taken between 2020 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.

45 determinands have been measured at this site
  • Alky pH 4.5
  • Aluminium-Al
  • Ammonia(N)
  • As-Filtered
  • BOD ATU
  • Boron - as B
  • CHLOROPHYLL
  • COD as O2
  • Cadmium - Cd
  • Calcium - Ca
  • Cd Filtered
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • Hardness
  • Lead - as Pb
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • OMR Smpl Num
  • Orthophospht
  • Oxygen Diss
  • Pb Filtered
  • SiO2 Rv
  • Sld NV@500C
  • Sld Sus@105C
  • Temp Water
  • Weth-Visibty
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • Weth7Dy-Vsy
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • Zn- Filtered
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 203 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 May 2019 to 10 Mar 2020

NotationDeterminandUnits 7 May
2019
12:09
11 Jun
2019
14:11
3 Jul
2019
11:56
8 Aug
2019
12:32
30 Sep
2019
10:16
16 Oct
2019
12:53
18 Dec
2019
11:40
21 Jan
2020
10:48
12 Feb
2020
11:14
10 Mar
2020
10:23
0061pH8.198.228.218.137.767.957.918.027.987.88
0076Temperature of Water°C9.910.61314.412.611.86.77.36.37.9
0077Conductivity at 25 Cμs/cm534515563554364371441464498203
0085BOD : 5 Day ATUmg/l1.7211.41.31.51.91.52.42
0111Ammoniacal Nitrogen as Nmg/l0.1130.0940.060.140.110.150.180.210.180.11
0116Nitrogen, Total Oxidised as Nmg/l1.921.822.12.12.21.521.81.81
0117Nitrate as Nmg/l1.871.772.032.032.171.461.971.771.780.99
0118Nitrite as Nmg/l0.05260.04710.0750.0690.0330.040.0270.0340.0210.0096
0119Ammonia un-ionised as Nmg/l0.002050.001790.001360.003520.001410.002790.00210.003140.002390.00131
0135Solids, Suspended at 105 Cmg/l< 34.0544.8158.33.25.22929
0162Alkalinity to pH 4.5 as CaCO3mg/l16115918017012013014016012068
0172Chloridemg/l34.632.13732161823246012
0180Orthophosphate, reactive as Pmg/l0.0380.0410.0380.0410.0610.0810.0390.0370.0530.092
9901Oxygen, Dissolved, % Saturation%9795.7101.495.196.891.394.795.894.5100.2
9924Oxygen, Dissolved as O2mg/l1110.610.79.6910.39.8611.611.511.711.9

Samples from 5 Jul 2018 to 1 Apr 2019

NotationDeterminandUnits 5 Jul
2018
11:40
6 Aug
2018
12:04
4 Sep
2018
10:15
2 Oct
2018
09:39
9 Nov
2018
13:20
4 Dec
2018
10:36
4 Jan
2019
13:44
8 Feb
2019
13:01
6 Mar
2019
13:42
1 Apr
2019
13:30
0061pH8.138.188.238.178.197.998.057.827.818.04
0076Temperature of Water°C14.41412.511.510.27.86.97.58.89.3
0077Conductivity at 25 Cμs/cm597605591483589481536415400547
0085BOD : 5 Day ATUmg/l1.161.6< 11.6422.081.952.021.96
0111Ammoniacal Nitrogen as Nmg/l0.040.06< 0.030.0730.070.0820.1870.1360.0970.205
0116Nitrogen, Total Oxidised as Nmg/l2.432.152.111.832.14.392.574.143.022.15
0117Nitrate as Nmg/l2.352.082.061.772.054.342.514.12.992.12
0118Nitrite as Nmg/l0.07590.06710.04670.05650.05280.0470.06260.03640.03330.034
0119Ammonia un-ionised as Nmg/l0.001010.00147< 0.000660.001490.00130.001240.002720.001370.001050.00355
0135Solids, Suspended at 105 Cmg/l12.94.22< 33.26.285.18< 323.711.64.72
0162Alkalinity to pH 4.5 as CaCO3mg/l185188189157184129170108118164
0172Chloridemg/l38.838.337.832.237.927.73231.325.132.6
0180Orthophosphate, reactive as Pmg/l0.0330.0220.0260.0510.0250.0490.0340.0580.0560.024
9901Oxygen, Dissolved, % Saturation%105.597.899.895.695.29892.8101.299.297.5
9924Oxygen, Dissolved as O2mg/l10.71010.610.410.711.611.312.111.511.2