sampling point
R.Hiz U/S Hitchin Stw
| Description | R.HIZ U/S HITCHIN STW |
|---|---|
| Sampling point ID | AN-13M03 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 518588 231029 lat lon: 51.965092, -0.275317 |
| Area | Cambridgeshire And Bedfordshire |
| Sub-Area | Brampton Team Sub Area |
| Summary | 123 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.
42 determinands have been measured at this site
- Add. Matter
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Cadmium - Cd
- Cd - Dry Wt
- Chloride Ion
- Chromium -Cr
- Colour
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cr - Dry Wt
- Cu - Dry Wt
- Cu Filtered
- Dry Method
- DrySolids30C
- Lead - as Pb
- Matrix
- N Inorganic
- N Oxidised
- NH3 un-ion
- Ni - Dry Wt
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- O Diss% Satn
- O Dissolved
- Orthophospht
- Oxygen Diss
- Pb - Dry Wt
- Rejected
- Sample Prep
- Solids @105C
- Temp Water
- Turbidity
- TurbidityNTU
- Zinc - as Zn
- Zn - Dry Wt
- pH
- pH Inst unit
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 11 Jan 2018 to 26 Feb 2020
| Notation | Determinand | Units | 11 Jan 2018 09:07 | 5 Apr 2018 08:58 | 30 May 2018 11:28 | 4 Jul 2018 11:48 | 8 Oct 2018 10:23 | 13 Feb 2019 08:14 | 31 May 2019 07:22 | 8 Aug 2019 11:34 | 14 Nov 2019 10:52 | 26 Feb 2020 12:37 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0050 | Lead | μg/l | 2.71 | 3 | 2.74 | < 2 | 2.43 | < 2 | 4.5 | 7.8 | < 2 | |
| 0061 | pH | 7.79 | 7.82 | 7.76 | ||||||||
| 0076 | Temperature of Water | °C | 8.1 | 14 | 10.5 | |||||||
| 0077 | Conductivity at 25 C | μs/cm | 774 | 747 | 734 | |||||||
| 0108 | Cadmium | μg/l | < 0.1 | < 0.1 | < 0.1 | < 0.1 | < 0.1 | < 0.1 | < 0.1 | 0.12 | < 0.1 | |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.035 | 0.037 | 0.039 | |||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 6.86 | 6.09 | 6.56 | |||||||
| 0117 | Nitrate as N | mg/l | 6.85 | 6.07 | 6.55 | |||||||
| 0118 | Nitrite as N | mg/l | 0.0108 | 0.0169 | 0.0118 | |||||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00034 | 0.0006 | 0.00043 | |||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 259 | 244 | 256 | |||||||
| 0166 | Residual mass: after drying at 105 C | % | 52.7 | |||||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.023 | 0.026 | 0.037 | |||||||
| 0216 | Copper : Dry Wt | mg/kg | 17.2 | |||||||||
| 0246 | Zinc : Dry Wt | mg/kg | 106 | |||||||||
| 0254 | Cadmium : Dry Wt | mg/kg | 0.373 | |||||||||
| 0329 | Lead : Dry Wt | mg/kg | 31.7 | |||||||||
| 0376 | Chromium : Dry Wt | mg/kg | 11.1 | |||||||||
| 0430 | Nickel : Dry Wt | mg/kg | 15.1 | |||||||||
| 3164 | Chromium | μg/l | 1.18 | 0.873 | < 0.5 | 0.514 | 0.501 | < 0.5 | 0.72 | 1.3 | 0.56 | |
| 3366 | Rejected Matter Description | text | 1 | |||||||||
| 3387 | Sample Matrix | text | 1 | |||||||||
| 3388 | Sample Colour | text | 1 | |||||||||
| 3390 | Drying Method | text | 1 | |||||||||
| 3391 | Additional Material Present | text | 1 | |||||||||
| 6452 | Copper | μg/l | 3.06 | 3.61 | 2.23 | 2.63 | 2.77 | 1.48 | 3.3 | 6.8 | 2 | |
| 6455 | Zinc | μg/l | 14.5 | 14.3 | 8.93 | 9.5 | 12.1 | 6.23 | 16 | 42 | 8.1 | |
| 6462 | Nickel | μg/l | 1.57 | 1.69 | 1.48 | 3.06 | 1.71 | 1.99 | 2.4 | 2.1 | 1.3 | |
| 8394 | Sample Preparation | text | 1 | |||||||||
| 9589 | Dry Solids at 30 C | % | 27.7 | |||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 88.9 | 98.7 | 90.2 | |||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.5 | 10.1 | 10 |
Samples from 4 Feb 2016 to 6 Dec 2017
| Notation | Determinand | Units | 4 Feb 2016 12:14 | 9 May 2016 09:52 | 9 Nov 2016 10:32 | 5 Dec 2016 13:39 | 13 Dec 2016 13:52 | 3 Mar 2017 12:58 | 31 May 2017 10:40 | 16 Jun 2017 14:09 | 18 Sep 2017 12:05 | 6 Dec 2017 11:05 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0050 | Lead | μg/l | 6.49 | < 2 | 12.7 | < 2 | 16 | < 2 | < 2 | 6.35 | ||
| 0061 | pH | 7.79 | 7.76 | 7.7 | 7.8 | 7.8 | 7.59 | |||||
| 0076 | Temperature of Water | °C | 9.6 | 13.6 | 6.8 | 6.3 | 8.8 | 14.3 | ||||
| 0077 | Conductivity at 25 C | μs/cm | 758 | 710 | 541 | 745 | 728 | 711 | ||||
| 0108 | Cadmium | μg/l | < 0.1 | < 0.1 | < 0.1 | < 0.1 | 0.151 | < 0.1 | < 0.1 | < 0.1 | ||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.052 | 0.031 | 0.132 | 0.064 | 0.064 | 0.036 | ||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 6.27 | 5.64 | 3.58 | 6.67 | 5.58 | 4.98 | ||||
| 0117 | Nitrate as N | mg/l | 6.26 | 5.63 | 3.55 | 6.65 | 5.56 | 4.97 | ||||
| 0118 | Nitrite as N | mg/l | 0.0138 | 0.0141 | 0.0309 | 0.0196 | 0.0221 | 0.014 | ||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00057 | 0.00043 | 0.00096 | 0.00056 | 0.00068 | 0.00036 | ||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 265 | 256 | 145 | 271 | 235 | 256 | ||||
| 0166 | Residual mass: after drying at 105 C | % | 42.3 | 35.3 | ||||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.027 | 0.015 | 0.101 | 0.025 | 0.032 | 0.023 | ||||
| 0216 | Copper : Dry Wt | mg/kg | 14.7 | 20.4 | ||||||||
| 0246 | Zinc : Dry Wt | mg/kg | 90.6 | 119 | ||||||||
| 0254 | Cadmium : Dry Wt | mg/kg | 0.767 | 0.403 | ||||||||
| 0329 | Lead : Dry Wt | mg/kg | 88 | 49.8 | ||||||||
| 0376 | Chromium : Dry Wt | mg/kg | 13.6 | 21.4 | ||||||||
| 0430 | Nickel : Dry Wt | mg/kg | 11.5 | 14.5 | ||||||||
| 3164 | Chromium | μg/l | 1.23 | 0.512 | 1.9 | < 0.5 | 1.78 | < 0.5 | < 0.5 | 0.765 | ||
| 3366 | Rejected Matter Description | text | 1 | 1 | ||||||||
| 3387 | Sample Matrix | text | 1 | 1 | ||||||||
| 3388 | Sample Colour | text | 1 | 1 | ||||||||
| 3390 | Drying Method | text | 1 | 1 | ||||||||
| 3391 | Additional Material Present | text | 1 | 1 | ||||||||
| 6452 | Copper | μg/l | 4.27 | 1.82 | 11 | 1.82 | 13.9 | 1.77 | 2.61 | 3.95 | ||
| 6455 | Zinc | μg/l | 17.8 | 6.42 | 42.6 | 6.63 | 66.9 | 7.28 | 14 | 15.7 | ||
| 6462 | Nickel | μg/l | 2.12 | 1.38 | 2.43 | < 1 | 3.43 | 1.08 | 1.73 | 2.36 | ||
| 8394 | Sample Preparation | text | 1 | 1 | ||||||||
| 9589 | Dry Solids at 30 C | % | 64.9 | 61.5 | ||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 90.2 | 98.7 | 81.4 | 92.1 | 81.2 | 86.3 | ||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.3 | 10.2 | 9.92 | 11.4 | 9.42 | 8.81 |