sampling point
Ockham Mill Stream At Ockham Mill
| Description | OCKHAM MILL STREAM AT OCKHAM MILL |
|---|---|
| Sampling point ID | TH-PWER0014 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 505570 157900 lat lon: 51.310428, -0.486757 |
| Area | West Thames |
| Sub-Area | L&W South Wt |
| Summary | 102 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.
19 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- AmoniaTotYSI
- BOD ATU
- Chloride Ion
- Cond @ 25C
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- SI-GQA
- Temp Water
- Type of Flow
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 102 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 5 Nov 2007 to 7 Aug 2024
Samples from 4 Dec 2006 to 14 Sep 2007
| Notation | Determinand | Units | 4 Dec 2006 11:50 | 1 Feb 2007 11:40 | 15 Feb 2007 11:35 | 13 Mar 2007 11:25 | 23 Apr 2007 13:00 | 29 May 2007 13:12 | 19 Jun 2007 10:50 | 17 Jul 2007 11:40 | 13 Aug 2007 12:00 | 14 Sep 2007 10:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.95 | 7.88 | 7.36 | 7.88 | 8.15 | 7.82 | 7.82 | 7.84 | 7.82 | ||
| 0076 | Temperature of Water | °C | 9.01 | 7.65 | 6.56 | 9.46 | 14.33 | 11.33 | 17.83 | 18.82 | 17.42 | |
| 0085 | BOD : 5 Day ATU | mg/l | < 1 | 1.5 | 1.3 | 1 | 3.2 | 2.3 | < 1 | < 1 | < 1 | |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.041 | 0.091 | < 0.03 | 0.069 | < 0.03 | 0.116 | 0.069 | 0.038 | 0.036 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 7.63 | 7.3 | 6.68 | 6.33 | 5.87 | 6.52 | 5.99 | 5.92 | 4.9 | |
| 0117 | Nitrate as N | mg/l | 7.61 | 7.26 | 6.67 | 6.3 | 5.85 | 6.46 | 5.92 | 5.86 | 4.86 | |
| 0118 | Nitrite as N | mg/l | 0.0228 | 0.038 | 0.0085 | 0.0292 | 0.0206 | 0.0557 | 0.0742 | 0.0593 | 0.0375 | |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00062 | 0.00106 | < 0.0001 | 0.00092 | < 0.00075 | 0.00155 | 0.00149 | 0.00092 | 0.00075 | |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.127 | 0.121 | 0.104 | 0.096 | 0.139 | 0.212 | 0.241 | 0.205 | 0.162 | |
| 3267 | Type of flow as description | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 7 | |
| 9901 | Oxygen, Dissolved, % Saturation | % | 89.6 | 81.4 | 89.2 | 91.3 | 109.2 | 94.3 | 94.1 | 89.1 | 93.1 | |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.3 | 9.71 | 10.9 | 10.4 | 11.1 | 10.3 | 8.92 | 8.27 | 8.9 |