sampling point
Eye At Lower Slaughter Mill
| Description | EYE AT LOWER SLAUGHTER MILL |
|---|---|
| Sampling point ID | TH-PWRR0008 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 416400 222600 lat lon: 51.901698, -1.763037 |
| Area | West Thames |
| Sub-Area | L&W North Wt |
| Summary | 191 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.
32 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Calcium - Ca
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cu Filtered
- Hardness
- Magnesium-Mg
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- OrthophsFilt
- OrthophsFilt
- Oxygen Diss
- Phenol Odour
- Phosphorus-P
- SI-EC-F
- SI-GQA
- Sld Sus@105C
- Temp Water
- Type of Flow
- Zinc - as Zn
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 191 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 13 Mar 2015 to 6 Aug 2024
| Notation | Determinand | Units | 13 Mar 2015 11:09 | 2 Jun 2015 13:22 | 16 Jun 2015 12:13 | 16 Jul 2015 13:30 | 3 Aug 2015 11:51 | 7 Aug 2015 10:52 | 26 Nov 2015 11:20 | 10 Jun 2024 11:27 | 10 Jul 2024 09:54 | 6 Aug 2024 11:41 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.15 | 8.18 | 8.1 | 8.09 | 8.04 | 7.95 | |||||
| 0076 | Temperature of Water | °C | 8.4 | 16.6 | 8.8 | 12.2 | 13.1 | 14.6 | ||||
| 0077 | Conductivity at 25 C | μs/cm | 520 | 482 | 524 | 509 | 507 | 501 | ||||
| 0085 | BOD : 5 Day ATU | mg/l | 1.3 | < 2 | < 3 | |||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | < 0.03 | 0.03 | < 0.03 | ||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 6.29 | 5.58 | 5.92 | 6.06 | 6.25 | 6.12 | 5.9 | 5.7 | 5.6 | 5.6 |
| 0117 | Nitrate as N | mg/l | 6.29 | 5.57 | 5.91 | 6.05 | 6.24 | 6.11 | 5.89 | 5.69 | 5.59 | 5.59 |
| 0118 | Nitrite as N | mg/l | 0.0041 | 0.0095 | 0.0099 | 0.0092 | 0.0139 | 0.0073 | 0.0097 | 0.006 | 0.008 | 0.0076 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00049 | < 0.00089 | < 0.0005 | < 0.00064 | 0.00069 | < 0.00068 | ||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 202 | 176 | 212 | 210 | 200 | 200 | ||||
| 0180 | Orthophosphate, reactive as P | mg/l | < 0.01 | < 0.01 | < 0.01 | < 0.01 | 0.013 | < 0.01 | ||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 88.3 | 98.4 | 89.2 | 104.9 | 96.7 | 98.3 | ||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.3 | 9.56 | 10.3 | 11.2 | 10.1 | 9.97 |
Samples from 15 May 2014 to 6 Feb 2015
| Notation | Determinand | Units | 15 May 2014 10:42 | 18 Jun 2014 08:13 | 18 Jul 2014 13:23 | 29 Aug 2014 13:40 | 30 Sep 2014 10:21 | 20 Oct 2014 12:54 | 19 Nov 2014 13:00 | 3 Dec 2014 11:24 | 16 Jan 2015 13:58 | 6 Feb 2015 14:57 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.18 | 8.25 | 7.99 | ||||||||
| 0076 | Temperature of Water | °C | 12.9 | 14.1 | 9.6 | |||||||
| 0077 | Conductivity at 25 C | μs/cm | 512 | 501 | 533 | |||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | |||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 6.67 | 6.33 | 6.48 | 6.37 | 6.29 | 5.82 | 6.29 | 6.73 | 6.16 | 6.62 |
| 0117 | Nitrate as N | mg/l | 6.66 | 6.32 | 6.47 | 6.36 | 6.29 | 5.81 | 6.28 | 6.72 | 6.15 | 6.62 |
| 0118 | Nitrite as N | mg/l | 0.0073 | 0.0078 | 0.0109 | 0.006 | 0.0048 | 0.0088 | 0.0074 | 0.0085 | 0.0062 | < 0.004 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00068 | < 0.00074 | < 0.00052 | |||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 197 | 187 | 201 | |||||||
| 0180 | Orthophosphate, reactive as P | mg/l | < 0.02 | < 0.02 | < 0.01 | |||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 85.8 | 93.2 | 98.3 | |||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 9.04 | 9.56 | 11.2 |