sampling point
Rolleston Brook - D/S Rolleston Stw
| Description | ROLLESTON BROOK (ALDER BROOK) - D/S ROLLESTON STW |
|---|---|
| Sampling point ID | MD-55004105 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 424400 328400 lat lon: 52.852539, -1.639099 |
| Area | Staffordshire Warwickshire And West Midlands |
| Sub-Area | Upper Trent And Tame |
| Summary | 113 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.
48 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- BOD5DyF 2ATU
- C - Org Filt
- Cadmium - Cd
- Calcium - Ca
- Cd Filtered
- Chloride Ion
- Chlorophylls
- Chromium -Cr
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cr- Filtered
- Cu Filtered
- Fe- Filt
- Hardness
- Iron - as Fe
- Lead - as Pb
- Magnesium-Mg
- Mercury - Hg
- N Oxidised
- NH3 un-ion
- Ni- Filtered
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- Pb Filtered
- Phenol Odour
- Potassium- K
- Sld Sus@105C
- Temp Water
- Visit-NoBott
- Weth-Visibty
- Weth7Dy-Prec
- Weth7Dy-Temp
- Weth7Dy-Vsy
- WethPresPrec
- WethPresTemp
- Zinc - as Zn
- Zn- Filtered
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 113 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 3 Dec 2020 to 10 Jun 2024
| Notation | Determinand | Units | 3 Dec 2020 10:02 | 14 Jan 2021 14:04 | 3 Feb 2021 15:12 | 4 Mar 2021 08:19 | 14 Apr 2021 12:30 | 27 May 2021 08:07 | 14 Jun 2021 13:13 | 5 Jul 2021 08:29 | 4 Aug 2021 12:31 | 10 Jun 2024 13:47 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.1 | 7.71 | 7.82 | 8.05 | 8.2 | 8.2 | 7.97 | 8 | 8.2 | 8.29 | |
| 0076 | Temperature of Water | °C | 6.6 | 4 | 7.4 | 5.2 | 9.1 | 10.1 | 19.2 | 16.1 | 18 | 14.6 |
| 0077 | Conductivity at 25 C | μs/cm | 1204 | 1339 | 546 | 1271 | 1418 | 1184 | 1514 | 1099 | 1520 | 6437 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.072 | 0.49 | 0.15 | 0.045 | < 0.03 | 0.05 | 0.088 | 0.053 | 0.069 | 0.033 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 8.3 | 3 | 3.8 | 7.8 | 8.7 | 7.7 | 5.5 | 5.9 | 7.4 | 8.7 |
| 0117 | Nitrate as N | mg/l | 8.27 | 2.98 | 3.78 | 7.77 | 8.66 | 7.65 | 5.4 | 5.83 | 7.35 | 8.65 |
| 0118 | Nitrite as N | mg/l | 0.031 | 0.019 | 0.023 | 0.027 | 0.039 | 0.05 | 0.1 | 0.067 | 0.053 | 0.049 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00102 | 0.00297 | 0.0015 | 0.00058 | < 0.00051 | 0.00092 | 0.00293 | 0.00151 | 0.00225 | 0.00084 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 250 | 92 | 150 | 270 | 250 | 240 | 260 | 200 | 340 | 260 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.16 | 0.4 | 0.22 | 0.13 | 0.019 | 0.12 | 0.17 | 0.19 | 0.17 | 0.13 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 94 | 93.6 | 105.5 | 90.3 | 101 | 95 | 92.3 | 92 | 103 | 89 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 11.5 | 12.3 | 12.7 | 11.5 | 11.6 | 10.7 | 8.51 | 9.04 | 9.73 | 9.03 |