sampling point
Canons Brook Below Elizabeth Way
| Description | CANONS BROOK BELOW ELIZABETH WAY |
|---|---|
| Sampling point ID | TH-PLER0307 |
| Type | Freshwater – Unspecified |
| Status | open |
| Location |
easting northing: 543100 210850 lat lon: 51.778022, 0.072876 |
| Area | Hertfordshire And North London |
| Sub-Area | L&W Herts & North London |
| Summary | 132 samples taken between 2023 and 2010 |
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.
19 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- B-[a]-pyrene
- B-[b]-fluora
- B-[ghi]-pery
- B-[k]-fluora
- Cond @ 25C
- Fluoranthene
- Ind123pyrene
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Temp Water
- Triclosan
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 132 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 20 Jun 2022 to 13 Mar 2023
Samples from 12 Aug 2021 to 31 May 2022
| Notation | Determinand | Units | 12 Aug 2021 10:20 | 2 Sep 2021 13:39 | 1 Oct 2021 10:04 | 2 Nov 2021 09:24 | 2 Dec 2021 12:16 | 18 Jan 2022 08:05 | 9 Feb 2022 10:51 | 14 Mar 2022 10:25 | 27 Apr 2022 14:53 | 31 May 2022 13:06 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.07 | 8.37 | 8.2 | 8.05 | 8.01 | 8.15 | 8.24 | 8.54 | 8.44 | 7.88 | |
| 0076 | Temperature of Water | °C | 16.5 | 14.9 | 14.4 | 9 | 5.8 | 4.6 | 9.3 | 8.4 | 10 | 12.2 |
| 0077 | Conductivity at 25 C | μs/cm | 933 | 1063 | 696 | 785 | 1054 | 945 | 1087 | 885 | 1125 | 717 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | 0.064 | < 0.03 | 0.057 | 0.092 | 0.078 | < 0.03 | < 0.03 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 13 | 15 | 12 | 8.5 | 6 | 4.9 | 4.5 | 4.7 | 15 | 15 |
| 0117 | Nitrate as N | mg/l | 13 | 15 | 11.9 | 8.46 | 5.95 | 4.86 | 4.45 | 4.67 | 14.9 | |
| 0118 | Nitrite as N | mg/l | 0.043 | 0.026 | 0.054 | 0.04 | 0.053 | 0.042 | 0.047 | 0.033 | 0.064 | |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00088 | < 0.00078 | 0.00161 | < 0.00051 | 0.00076 | 0.00113 | 0.00135 | < 0.00049 | < 0.00055 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 230 | 260 | 170 | 230 | 220 | 260 | 260 | 240 | 260 | 160 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.84 | 1.1 | 0.67 | 0.31 | 0.45 | 0.35 | 0.25 | 0.2 | 1.2 | |
| 9901 | Oxygen, Dissolved, % Saturation | % | 102.8 | 112.7 | 88.7 | 92.8 | 91.8 | 96.4 | 105.7 | 122.9 | 116.3 | 84.4 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10 | 11.4 | 9.04 | 10.7 | 11.5 | 12.4 | 12.1 | 14.4 | 13.1 | 9.03 |