sampling point
Great Brook At Chimney Lane, Aston
| Description | GREAT BROOK AT CHIMNEY LANE, ASTON |
|---|---|
| Sampling point ID | TH-PUTR0051 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 435100 201800 lat lon: 51.713833, -1.493354 |
| Area | West Thames |
| Sub-Area | L&W North Wt |
| Summary | 231 samples taken between 2021 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.
46 determinands have been measured at this site
- Action taken
- Al Active
- Al- Filtered
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- C - Org Filt
- Ca Filtered
- Calcium - Ca
- Cd Filtered
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cr- Filtered
- Cu BLM Bio
- Cu Filtered
- Fe- Filt
- Hardness
- Magnesium-Mg
- Mg Filtered
- Mn BLM Bio
- Mn- Filtered
- N Oxidised
- NH3 un-ion
- Ni BLM Bio
- Ni- Filtered
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- Pb BLM Bio
- Pb Filtered
- Phenol Odour
- SI-EC-F
- SI-GQA
- Sld Sus@105C
- Temp Water
- Type of Flow
- Zinc - as Zn
- Zn BLM Bio
- Zn- Filtered
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 231 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 18 Sep 2019 to 10 Aug 2021
Samples from 5 Feb 2018 to 9 Aug 2019
| Notation | Determinand | Units | 5 Feb 2018 14:17 | 8 May 2018 09:59 | 9 Aug 2018 14:02 | 21 Nov 2018 11:09 | 18 Feb 2019 13:28 | 10 Apr 2019 11:48 | 1 May 2019 09:53 | 17 Jun 2019 09:09 | 9 Jul 2019 12:54 | 9 Aug 2019 13:03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.68 | 7.97 | 7.96 | 8.05 | 8.14 | 8.19 | 8.09 | 7.71 | 8.13 | 7.96 | |
| 0076 | Temperature of Water | °C | 9 | 12 | 13.6 | 18.3 | 18.8 | |||||
| 0077 | Conductivity at 25 C | μs/cm | 685 | 670 | 695 | 675 | 646 | |||||
| 0085 | BOD : 5 Day ATU | mg/l | < 1 | 1.19 | < 1 | < 1 | < 1 | |||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | |||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 7.92 | 8.72 | 8.14 | 7.9 | 6.6 | |||||
| 0117 | Nitrate as N | mg/l | 7.92 | 8.7 | 8.11 | 7.88 | 6.59 | |||||
| 0118 | Nitrite as N | mg/l | < 0.004 | 0.0222 | 0.0253 | 0.017 | 0.014 | |||||
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00051 | < 0.00063 | < 0.00037 | < 0.001 | < 0.00095 | |||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 191 | 221 | 220 | 180 | 200 | |||||
| 0180 | Orthophosphate, reactive as P | mg/l | < 0.01 | 0.133 | 0.192 | 0.22 | 0.25 | |||||
| 0235 | Magnesium, Dissolved | mg/l | 4.05 | 4.65 | 6.03 | 6.35 | 4.28 | 5.01 | 5.4 | |||
| 0239 | Calcium, Dissolved | mg/l | 142 | 111 | 102 | 113 | 129 | 106 | 99 | |||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 4.85 | 2.35 | 3.21 | 3.52 | 3.29 | 2.48 | 3.3 | |||
| 4905 | Active Aluminium : Dissolved | μg/l | 9.72 | 9.5 | ||||||||
| 6037 | Aluminium, Dissolved | μg/l | 191 | < 10 | < 10 | < 10 | 130 | |||||
| 6460 | Iron, Dissolved | μg/l | 40.4 | < 30 | < 30 | < 30 | < 30 | < 30 | 240 | |||
| 9901 | Oxygen, Dissolved, % Saturation | % | 97.8 | 85.3 | 65.4 | 88.6 | 78.8 | |||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 11.3 | 9.17 | 6.78 | 8.31 | 7.32 |