sampling point
R.Chelmer Langleys Bridge
| Description | R.CHELMER LANGLEYS BRIDGE |
|---|---|
| Sampling point ID | AN-CH0860 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 563732 220886 lat lon: 51.862527, 0.376423 |
| Area | Essex Norfolk And Suffolk |
| Sub-Area | Essex Team Sub Area |
| Summary | 136 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.
25 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- N Inorganic
- N Oxidised
- NATGRIDREF
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- O Diss% Satn
- O Dissolved
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- Phosphorus-P
- SALinsitu
- Temp Water
- Turbidity
- TurbidityNTU
- pH
- pH Inst unit
Sampling results
Displaying the twenty most recent samples. You can see all 136 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 27 Sep 2023 to 5 Aug 2024
| Notation | Determinand | Units | 27 Sep 2023 13:36 | 16 Oct 2023 14:08 | 15 Nov 2023 10:01 | 1 Dec 2023 10:57 | 11 Jan 2024 12:15 | 1 Feb 2024 13:57 | 8 Mar 2024 11:07 | 11 Jun 2024 10:00 | 3 Jul 2024 09:51 | 5 Aug 2024 11:35 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.55 | 7.82 | 7.81 | 7.85 | 8.11 | 7.98 | 8.18 | 8.04 | 7.76 | 6.72 | |
| 0076 | Temperature of Water | °C | 17.7 | 10.8 | 8.9 | 5.1 | 3.6 | 8.1 | 7.9 | 12.2 | 15.1 | 17.8 |
| 0077 | Conductivity at 25 C | μs/cm | 957 | 801 | 632 | 836 | 778 | 886 | 742 | 830 | 844 | 911 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.043 | 0.051 | < 0.03 | 0.27 | 0.14 | 0.11 | 0.084 | 0.095 | 0.091 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 4.7 | 9.3 | 10 | 9.2 | 8.8 | 8.8 | 7.6 | 8.3 | 6.8 | 5.6 |
| 0117 | Nitrate as N | mg/l | 4.67 | 9.27 | 9.98 | 9.12 | 8.76 | 8.73 | 7.56 | 8.24 | 6.73 | 5.53 |
| 0118 | Nitrite as N | mg/l | 0.027 | 0.034 | 0.021 | 0.084 | 0.037 | 0.07 | 0.044 | 0.065 | 0.07 | 0.072 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.0005 | 0.00066 | < 0.00033 | 0.00244 | 0.0016 | 0.00172 | 0.0018 | 0.00146 | 0.00016 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 290 | 250 | 240 | 280 | 280 | 280 | 280 | 280 | 260 | 290 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.85 | 0.3 | 0.11 | 0.12 | 0.13 | 0.42 | 0.11 | 0.3 | 0.56 | 0.31 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 62.6 | 83 | 90.1 | 91 | 93.2 | 94.1 | 97.6 | 89.8 | 74.1 | 92.6 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 5.95 | 9.18 | 10.4 | 11.6 | 12.3 | 11.1 | 11.6 | 9.61 | 7.44 | 8.78 |