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sampling point
Catchwater Drain U/S East Kirkby Stw

Description CATCHWATER DRAIN U/S EAST KIRKBY STW
Sampling point ID AN-CTWEASTK
Type Freshwater – Rivers
Status open
Location easting northing: 530594 360336
lat lon: 53.124196, -0.049836
Area Lincolnshire And Northamptonshire
Sub-Area North & South Team Sub Area
Summary 23 samples taken between 2021 and 2019

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.

15 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Chloride Ion
  • Cond @ 25C
  • N Oxidised
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Temp Water
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 23 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 9 Mar 2021 to 2 Dec 2021

NotationDeterminandUnits 9 Mar
2021
11:56
14 Apr
2021
12:39
18 May
2021
12:17
9 Jun
2021
12:56
16 Jul
2021
09:05
4 Aug
2021
12:51
7 Sep
2021
10:39
19 Oct
2021
11:42
4 Nov
2021
12:30
2 Dec
2021
13:37
0061pH8.418.568.447.527.357.157.197.4388.23
0076Temperature of Water°C6.89.814.52216.815.916.512.67.53.2
0077Conductivity at 25 Cμs/cm749758739672668649688801768829
0085BOD : 5 Day ATUmg/l1.73.7< 61.2< 3< 6< 41.31.6
0111Ammoniacal Nitrogen as Nmg/l0.043< 0.03< 0.030.220.140.30.260.0840.140.033
0116Nitrogen, Total Oxidised as Nmg/l118.57.32.14.2< 0.2< 0.2111114
0117Nitrate as Nmg/l118.467.191.943.85< 0.196< 0.19610.91114
0118Nitrite as Nmg/l0.0330.0420.110.160.35< 0.004< 0.0040.140.0490.039
0119Ammonia un-ionised as Nmg/l0.00062< 0.00054< 0.000760.003260.000960.001220.001210.000510.002130.00037
0162Alkalinity to pH 4.5 as CaCO3mg/l180220210210200220260240240250
0180Orthophosphate, reactive as Pmg/l0.0130.0790.0280.240.110.560.720.140.0950.062
9901Oxygen, Dissolved, % Saturation%118.4144.3155.242.7298.741.336.380.798.1
9924Oxygen, Dissolved as O2mg/l14.416.315.83.732.810.8584.023.859.6613.1

Samples from 23 Oct 2019 to 17 Feb 2021

NotationDeterminandUnits23 Oct
2019
12:36
4 Dec
2019
10:55
23 Jan
2020
10:37
13 Feb
2020
11:50
5 Mar
2020
11:26
8 Oct
2020
11:39
3 Nov
2020
11:37
8 Dec
2020
11:25
12 Jan
2021
11:07
17 Feb
2021
10:47
0061pH7.747.738.198.067.94
0076Temperature of Water°C12.910.23.94.65.8
0077Conductivity at 25 Cμs/cm685840877867772
0085BOD : 5 Day ATUmg/l1.11.31.41.7< 1< 3< 11.71.3
0111Ammoniacal Nitrogen as Nmg/l0.031< 0.030.030.033< 0.030.052< 0.030.0510.046< 0.03
0116Nitrogen, Total Oxidised as Nmg/l1714137.4199.314201513
0117Nitrate as Nmg/l9.2513.919.914.912.8
0118Nitrite as Nmg/l0.0530.0730.120.0820.18
0119Ammonia un-ionised as Nmg/l0.00065< 0.00030.000590.00056< 0.00035
0162Alkalinity to pH 4.5 as CaCO3mg/l230240240240220
0172Chloridemg/l6959584255
0180Orthophosphate, reactive as Pmg/l0.0750.0570.0560.0410.190.150.0810.0380.0550.033
9901Oxygen, Dissolved, % Saturation%60.662.487.786.389.9
9924Oxygen, Dissolved as O2mg/l6.38711.511.111.2