sampling point
Barkway Stw
| Description | BARKWAY STW |
|---|---|
| Sampling point ID | TH-PLEE0010 |
| Type | Sewage Discharges – Final/Treated Effluent – Water Company |
| Status | open |
| Location |
easting northing: 538790 234770 lat lon: 51.994034, 0.020058 |
| Area | Hertfordshire And North London |
| Sub-Area | L&W Herts & North London |
| Summary | 295 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.
16 determinands have been measured at this site
- Action taken
- Ammonia(N)
- BOD ATU
- Chloride Ion
- N Oxidised
- NO FLOW/SAMP
- O Diss %sat
- Orthophospht
- Oxygen Diss
- SI-E
- Sld Sus@105C
- Temp Water
- Type of Flow
- Weather Waiv
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 295 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 17 May 2023 to 21 Feb 2024
| Notation | Determinand | Units | 17 May 2023 08:26 | 29 Jun 2023 09:33 | 24 Jul 2023 09:15 | 14 Aug 2023 12:08 | 26 Sep 2023 07:49 | 10 Oct 2023 10:38 | 8 Nov 2023 10:26 | 3 Dec 2023 10:20 | 20 Jan 2024 10:46 | 21 Feb 2024 11:30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0085 | BOD : 5 Day ATU | mg/l | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.09 | < 0.09 | < 0.09 | < 0.09 | < 0.09 | < 0.09 | < 0.09 | 0.38 | 0.44 | < 0.09 |
| 0135 | Solids, Suspended at 105 C | mg/l | < 3.7 | < 3.7 | < 3.7 | < 3.7 | < 3.7 | < 3.7 | < 3.7 | < 3.7 | 4 | < 3.7 |
Samples from 21 Jul 2022 to 21 Apr 2023
| Notation | Determinand | Units | 21 Jul 2022 12:22 | 15 Aug 2022 09:00 | 5 Sep 2022 07:22 | 19 Oct 2022 10:04 | 1 Nov 2022 10:17 | 1 Dec 2022 09:41 | 19 Jan 2023 08:28 | 3 Feb 2023 12:29 | 21 Mar 2023 11:25 | 21 Apr 2023 09:25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0085 | BOD : 5 Day ATU | mg/l | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 | < 2.8 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.09 | < 0.09 | < 0.09 | < 0.09 | < 0.09 | < 0.09 | < 0.09 | < 0.09 | 0.17 | < 0.09 |
| 0135 | Solids, Suspended at 105 C | mg/l | < 3.7 | < 3.7 | < 3.7 | < 3.7 | < 3.7 | < 3.7 | < 3.7 | < 3.7 | < 3.7 | < 3.7 |