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sampling point
Leven U/S Great Ayton Stw

Description LEVEN U/S GREAT AYTON STW
Sampling point ID NE-45400513
Type Freshwater – Rivers
Status open
Location easting northing: 454740 509830
lat lon: 54.480862, -1.156657
Area Northumberland Durham And Tees
Sub-Area Wear & Tees
Summary 152 samples taken between 2021 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.

23 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Calcium - Ca
  • Cond @ 25C
  • Cu Filtered
  • Hardness
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • Potassium- K
  • Sld Sus@105C
  • Temp Water
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 152 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 4 Nov 2020 to 17 Aug 2021

NotationDeterminandUnits 4 Nov
2020
09:33
10 Dec
2020
10:55
7 Jan
2021
10:54
4 Feb
2021
11:21
10 Mar
2021
10:30
7 Apr
2021
08:02
19 May
2021
07:53
9 Jun
2021
08:52
27 Jul
2021
12:17
17 Aug
2021
12:30
0061pH8.067.987.97.938.138.168.398.168.198.12
0076Temperature of Water°C6.95.93.14.46.22.89.514.316.614.3
0077Conductivity at 25 Cμs/cm364382387293415537467529579546
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.030.0360.0350.089< 0.03< 0.03< 0.030.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l2.22.52.81.82.42.21.51.71.71.7
0117Nitrate as Nmg/l2.192.492.791.82.382.191.491.691.691.68
0118Nitrite as Nmg/l0.00790.00830.00650.00480.0160.010.0140.0150.0120.018
0119Ammonia un-ionised as Nmg/l< 0.00044< 0.000390.000310.000360.00123< 0.00032< 0.00053< 0.000750.00089< 0.00075
0162Alkalinity to pH 4.5 as CaCO3mg/l100100967012015074150160160
0180Orthophosphate, reactive as Pmg/l0.0450.040.040.0250.0390.0320.0250.0190.0320.042
9901Oxygen, Dissolved, % Saturation%96.497.799.3103.3100.2101.494.4104.298.890.4
9924Oxygen, Dissolved as O2mg/l11.712.213.313.412.413.710.810.69.69.23

Samples from 10 Sep 2018 to 6 Oct 2020

NotationDeterminandUnits10 Sep
2018
11:12
5 Dec
2018
09:49
18 Nov
2019
09:43
4 Dec
2019
10:43
17 Dec
2019
09:13
27 Jan
2020
08:52
11 Feb
2020
08:45
17 Feb
2020
09:53
17 Mar
2020
08:32
6 Oct
2020
12:40
0061pH8.058.038.018.187.948.168.158.088.17.74
0076Temperature of Water°C12.13.96.85.33.84.93.85.2711.3
0077Conductivity at 25 Cμs/cm327436309413385495427326438349
0111Ammoniacal Nitrogen as Nmg/l< 0.030.0350.044< 0.030.030.0830.0590.0390.0310.033
0116Nitrogen, Total Oxidised as Nmg/l1.462.692.062.12.12.92.72.922.4
0117Nitrate as Nmg/l1.452.682.052.092.092.882.692.891.992.39
0118Nitrite as Nmg/l0.01270.01020.0060.00670.00750.020.0120.00760.00890.012
0119Ammonia un-ionised as Nmg/l< 0.000640.000410.00063< 0.000390.00030.001040.000680.00050.000450.00037
0162Alkalinity to pH 4.5 as CaCO3mg/l18998791101001401107714093
0180Orthophosphate, reactive as Pmg/l0.0850.0520.037< 0.010.0310.0530.0440.040.030.046
9901Oxygen, Dissolved, % Saturation%87.297.490.199.494.997.893.690.198.196.3
9924Oxygen, Dissolved as O2mg/l9.3512.81112.612.512.512.311.411.910.5