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sampling point
U/S Porters Sluice

Description UPSTREAM OF PORTERS SLUICE
Sampling point ID AN-PORTERSL
Type Freshwater – Rivers
Status open
Location easting northing: 541744 399574
lat lon: 53.473807, 0.134175
Area Lincolnshire And Northamptonshire
Sub-Area North & South Team Sub Area
Summary 75 samples taken between 2024 and 2015

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.

13 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Cond @ 25C
  • N Oxidised
  • NH3 un-ion
  • 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 75 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 21 Nov 2023 to 19 Aug 2024

NotationDeterminandUnits21 Nov
2023
09:01
4 Dec
2023
12:51
15 Jan
2024
12:25
19 Feb
2024
09:22
18 Mar
2024
12:33
15 Apr
2024
12:20
14 May
2024
10:48
18 Jun
2024
10:56
15 Jul
2024
08:35
19 Aug
2024
08:32
0061pH7.677.557.747.627.857.777.787.717.657.88
0076Temperature of Water°C9.97.52.68.91210.416.416.114.314.4
0077Conductivity at 25 Cμs/cm9874629810909638295521199410896960484769081
0085BOD : 5 Day ATUmg/l< 11.6< 7< 31.2< 4< 9
0111Ammoniacal Nitrogen as Nmg/l10.761.50.750.450.640.460.20.170.066
0116Nitrogen, Total Oxidised as Nmg/l5.56.74.36.84.22.21.71.72.42.5
0117Nitrate as Nmg/l5.426.654.246.754.132.161.641.652.342.46
0118Nitrite as Nmg/l0.0840.0470.0560.0520.0730.0390.0630.0520.0620.043
0119Ammonia un-ionised as Nmg/l0.008550.004130.008770.005310.006770.007130.008150.002960.001920.00127
0162Alkalinity to pH 4.5 as CaCO3mg/l390360400370380390380380360410
0180Orthophosphate, reactive as Pmg/l0.0850.0560.0350.0770.120.0840.110.140.190.3
9901Oxygen, Dissolved, % Saturation%73.270.493.577.495.497.688.785.358.378.4
9924Oxygen, Dissolved as O2mg/l8.278.4312.78.9510.310.98.668.385.957.99

Samples from 9 Feb 2023 to 20 Nov 2023

NotationDeterminandUnits 9 Feb
2023
11:57
3 Mar
2023
10:40
19 Apr
2023
08:28
18 May
2023
10:12
19 Jun
2023
10:29
24 Jul
2023
09:08
9 Aug
2023
09:13
5 Sep
2023
11:43
16 Oct
2023
13:03
20 Nov
2023
11:26
0061pH7.887.847.837.958.87.747.657.657.627.89
0076Temperature of Water°C4.576.81115.119.915.615189.510
0077Conductivity at 25 Cμs/cm1233313837116581017777143311106791275411727830
0085BOD : 5 Day ATUmg/l2.93.7
0111Ammoniacal Nitrogen as Nmg/l0.450.260.330.0690.150.180.0680.170.130.033
0116Nitrogen, Total Oxidised as Nmg/l3.62.12.21.11.22.51.63.26.58.7
0117Nitrate as Nmg/l3.552.082.151.061.142.361.553.096.458.67
0118Nitrite as Nmg/l0.0480.0220.0520.0430.0580.140.0540.110.0530.027
0119Ammonia un-ionised as Nmg/l0.004170.170.004410.001630.005610.002750.000810.002520.000960.00047
0162Alkalinity to pH 4.5 as CaCO3mg/l390380380370290300360360390240
0180Orthophosphate, reactive as Pmg/l0.060.0520.0130.0280.180.180.160.250.150.068
9901Oxygen, Dissolved, % Saturation%96.896.887.6119.78356.259.771.369.785.3
9924Oxygen, Dissolved as O2mg/l12.59.64127.545.5866.737.959.61