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

sampling point
Cripsey Brook At Moreton Bridge

Description CRIPSEY BROOK AT MORETON BRIDGE
Sampling point ID TH-PRGR0012
Type Freshwater – Rivers
Status open
Location easting northing: 553333 206854
lat lon: 51.739413, 0.219328
Area Hertfordshire And North London
Sub-Area L&W Herts & North London
Summary 123 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.

22 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • AmoniaTotYSI
  • BOD ATU
  • CHLOROPHYLL
  • Chloride Ion
  • Cond @ 25C
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • SI-GQA
  • Sld Sus@105C
  • Temp Water
  • TurbidityNTU
  • Type of Flow
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 123 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 5 Oct 2023 to 4 Jul 2024

NotationDeterminandUnits 5 Oct
2023
12:57
16 Nov
2023
10:14
12 Dec
2023
11:34
11 Jan
2024
09:46
8 Feb
2024
15:34
11 Mar
2024
14:16
9 Apr
2024
11:33
1 May
2024
15:07
13 Jun
2024
10:29
4 Jul
2024
10:56
0061pH7.9987.828.337.78.18.248.24
0076Temperature of Water°C14.28.48.22.97.28.811.514.3
0077Conductivity at 25 Cμs/cm9767165127934597519241073
0111Ammoniacal Nitrogen as Nmg/l0.031< 0.030.190.0770.120.15< 0.030.15
0116Nitrogen, Total Oxidised as Nmg/l9.1147.1105.76.51112
0117Nitrate as Nmg/l9.08147.089.975.686.4410.911.9
0118Nitrite as Nmg/l0.0230.0150.020.0280.0210.060.0650.069
0119Ammonia un-ionised as Nmg/l0.00075< 0.000490.002020.000830.00090.00251< 0.000610.00374
0135Solids, Suspended at 105 Cmg/l25222104.7350175.17.6921
0162Alkalinity to pH 4.5 as CaCO3mg/l220230160240140250240260
0180Orthophosphate, reactive as Pmg/l1.60.130.130.180.130.211.12.4
7887Chlorophyll : Acetone Extractμg/l4.91.31.51.61.731722.56.4
9901Oxygen, Dissolved, % Saturation%87.192.690.794.894.497.693.787
9924Oxygen, Dissolved as O2mg/l8.9110.810.712.811.411.310.28.88

Samples from 13 Dec 2022 to 8 Sep 2023

NotationDeterminandUnits13 Dec
2022
11:56
24 Jan
2023
11:52
27 Feb
2023
13:53
6 Mar
2023
13:14
27 Apr
2023
10:16
1 Jun
2023
11:25
15 Jun
2023
15:14
6 Jul
2023
11:14
7 Aug
2023
10:55
8 Sep
2023
11:16
0061pH7.768.238.548.528.318.328.298.138.137.97
0076Temperature of Water°C0.73.54.24.88.112.117.414.213.617.2
0077Conductivity at 25 Cμs/cm298989511481020895108011468167981122
0111Ammoniacal Nitrogen as Nmg/l0.14< 0.03< 0.03< 0.03< 0.03< 0.03< 0.030.05< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l141211118.415126.94.85.3
0117Nitrate as Nmg/l141211118.3614.911.96.884.785.28
0118Nitrite as Nmg/l0.0420.0270.0260.0290.0380.0660.0750.0170.0160.019
0119Ammonia un-ionised as Nmg/l0.00074< 0.00034< 0.00036< 0.00037< 0.00048< 0.00064< 0.000940.00124< 0.00071< 0.00086
0135Solids, Suspended at 105 Cmg/l11< 3< 33.55.79.5136.52425
0162Alkalinity to pH 4.5 as CaCO3mg/l230230250260260260250190210270
0180Orthophosphate, reactive as Pmg/l0.560.270.780.860.341.51.90.7712.4
7887Chlorophyll : Acetone Extractμg/l< 0.5< 0.54.73.17.63.22.4145.6
9901Oxygen, Dissolved, % Saturation%96.597.8118.9120.2108.997.873.490.487.779.6
9924Oxygen, Dissolved as O2mg/l13.81315.515.412.810.57.029.259.17.64