sampling point
Westmill Farm Stw :Ware
| Description | WESTMILL FARM STW :WARE |
|---|---|
| Sampling point ID | TH-PLEE0441 |
| Type | Sewage Discharges – Final/Treated Effluent – Not Water Company |
| Status | open |
| Location |
easting northing: 533880 215950 lat lon: 51.826129, -0.058717 |
| Area | Hertfordshire And North London |
| Sub-Area | L&W Herts & North London |
| Summary | 28 samples taken between 2024 and 2003 |
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.
15 determinands have been measured at this site
- Ammonia(N)
- BOD ATU
- COD as O2
- Chloride Ion
- N Oxidised
- NATGRIDREF
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- SI-E
- Site Inspect
- Sld Sus@105C
- Temp Water
- Type of Flow
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 28 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 4 Feb 2015 to 12 Feb 2024
| Notation | Determinand | Units | 4 Feb 2015 13:03 | 16 Mar 2016 10:56 | 8 Feb 2017 11:26 | 8 Feb 2018 11:25 | 18 Feb 2019 10:00 | 28 Mar 2019 13:02 | 3 Feb 2020 11:27 | 1 Feb 2022 10:40 | 13 Feb 2023 14:03 | 12 Feb 2024 12:27 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0085 | BOD : 5 Day ATU | mg/l | 124 | 134 | 49 | |||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 48.2 | 52 | 26 | |||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 0.55 | < 0.2 | 2.2 | |||||||
| 0135 | Solids, Suspended at 105 C | mg/l | 308 | 125 | 98 | |||||||
| 0172 | Chloride | mg/l | 163 | 201 | 170 | |||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 1.96 | 3.89 | 5.8 | |||||||
| 4883 | Site Inspection : Pass/Fail (1/0) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||||
| 7434 | National Grid Reference : Whole : Field report | 1 |
Samples from 19 Oct 2005 to 5 Feb 2014
| Notation | Determinand | Units | 19 Oct 2005 11:05 | 27 Jan 2006 10:20 | 1 Aug 2006 11:00 | 5 Sep 2006 15:35 | 29 Aug 2008 11:40 | 12 Nov 2009 10:45 | 29 Oct 2010 10:40 | 19 May 2011 10:45 | 9 May 2013 11:49 | 5 Feb 2014 09:27 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.4 | ||||||||||
| 0076 | Temperature of Water | °C | 23.85 | |||||||||
| 0085 | BOD : 5 Day ATU | mg/l | 11.1 | 38.8 | 17.3 | 20.2 | 6.72 | 11.8 | ||||
| 0092 | Chemical Oxygen Demand :- {COD} | mg/l | 119 | |||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.5 | 2.24 | 7.82 | 7.07 | 0.673 | 1.71 | ||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 6.2 | 6.82 | ||||||||
| 0135 | Solids, Suspended at 105 C | mg/l | 40.8 | 79.3 | 85.5 | 82 | 34 | 42.2 | ||||
| 0172 | Chloride | mg/l | 100 | 105 | ||||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 6.21 | 6.51 | ||||||||
| 0664 | Visible oil or grease, significant trace: Present/Not found (1/0) | pres/nf | 0 | 0 | 0 | |||||||
| 3267 | Type of flow as description | 3 | 3 | 3 | 3 | |||||||
| 4883 | Site Inspection : Pass/Fail (1/0) | 1 | 1 | 1 | 1 | 1 | 1 | |||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 32.2 |