sampling point
Bentley Brook At Matlock
| Description | BENTLEY BROOK AT MATLOCK |
|---|---|
| Sampling point ID | MD-51546180 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 430138 359815 lat lon: 53.134635, -1.550975 |
| Area | Derbyshire Nottinghamshire And Leicestershire |
| Sub-Area | Derbyshire, Derwent And Erewash |
| Summary | 223 samples taken between 2020 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.
31 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Calcium - Ca
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- Cu Filtered
- Hardness
- Magnesium-Mg
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- Phenol Odour
- Potassium- K
- Sld Sus@105C
- Temp Water
- Weth-Visibty
- Weth7Dy-Prec
- Weth7Dy-Temp
- Weth7Dy-Vsy
- WethPresPrec
- WethPresTemp
- Zinc - as Zn
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 223 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 17 Jun 2019 to 5 Mar 2020
| Notation | Determinand | Units | 17 Jun 2019 14:02 | 17 Jul 2019 10:36 | 15 Aug 2019 13:46 | 30 Sep 2019 12:27 | 16 Oct 2019 12:24 | 20 Nov 2019 10:33 | 12 Dec 2019 10:43 | 17 Jan 2020 11:27 | 3 Feb 2020 11:47 | 5 Mar 2020 10:38 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.01 | 7.95 | 8.03 | 7.87 | 7.93 | 7.71 | 7.7 | 7.69 | 7.74 | 7.76 | |
| 0076 | Temperature of Water | °C | 12.7 | 14.7 | 13.6 | 12.2 | 11.1 | 6.9 | 5.7 | 7.2 | 6.9 | 6.1 |
| 0085 | BOD : 5 Day ATU | mg/l | 1.11 | 1 | 1.2 | 1.9 | 4.1 | 1.1 | 1.8 | 2.2 | 1.6 | < 1 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.047 | 0.051 | 0.035 | 0.04 | 0.19 | 0.049 | 0.053 | 0.12 | < 0.03 | 0.034 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 2.55 | 3.2 | 3.3 | 2.9 | 2.7 | 4.37 | 3.5 | 3.7 | 3.3 | 4.3 |
| 0117 | Nitrate as N | mg/l | 2.53 | 3.19 | 3.29 | 2.89 | 2.68 | 4.36 | 3.49 | 3.68 | 3.29 | 4.29 |
| 0118 | Nitrite as N | mg/l | 0.0176 | 0.011 | 0.01 | 0.013 | 0.02 | 0.0079 | 0.012 | 0.022 | 0.0092 | 0.0077 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00104 | 0.00117 | 0.00083 | 0.00064 | 0.00321 | 0.00037 | 0.00036 | 0.00088 | < 0.00024 | 0.00027 |
| 0135 | Solids, Suspended at 105 C | mg/l | 7.87 | 4.6 | < 3 | 14 | 29 | 5.52 | 15 | 20 | 13 | 5 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 59 | 56 | 57 | 55 | 62 | 34 | 46 | 47 | 54 | 35 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 100.7 | 103.7 | 103.7 | 98.6 | 99.9 | 100 | 99.4 | 99.6 | 97.8 | 100.5 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.7 | 10.5 | 10.8 | 10.6 | 11 | 12.2 | 12.5 | 12 | 11.9 | 12.5 |
Samples from 20 Sep 2016 to 20 May 2019
| Notation | Determinand | Units | 20 Sep 2016 14:25 | 31 Oct 2016 10:26 | 21 Nov 2016 13:41 | 13 Dec 2016 10:59 | 6 Jan 2017 11:46 | 7 Feb 2017 11:36 | 2 Mar 2017 10:04 | 5 Apr 2017 10:23 | 3 May 2017 10:29 | 20 May 2019 10:08 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.8 | 7.92 | 8.61 | 8.23 | |||||||
| 0076 | Temperature of Water | °C | 10.7 | 5.8 | 9.8 | 10.9 | ||||||
| 0077 | Conductivity at 25 C | μs/cm | 276 | 261 | 256 | |||||||
| 0085 | BOD : 5 Day ATU | mg/l | 1.77 | |||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.083 | 0.06 | 0.032 | 0.044 | ||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 2.98 | 2.89 | 2.8 | 3.23 | 3.43 | 3.21 | 2.74 | 3.56 | 3.47 | 3.33 |
| 0117 | Nitrate as N | mg/l | 2.97 | 2.88 | 2.78 | 3.22 | 3.42 | 3.2 | 2.73 | 3.55 | 3.46 | 3.32 |
| 0118 | Nitrite as N | mg/l | 0.0065 | 0.009 | 0.0178 | 0.0147 | 0.0143 | 0.0137 | 0.0114 | 0.0124 | 0.0093 | 0.0148 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00101 | 0.00067 | 0.00058 | 0.00086 | ||||||
| 0135 | Solids, Suspended at 105 C | mg/l | 5.33 | |||||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 58 | 56 | 45 | 49 | ||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.029 | 0.037 | 0.015 | |||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 94.3 | 98.9 | 117.1 | 102.4 | ||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.5 | 12.4 | 13.3 | 11.3 |