sampling point
River Derwent At Rowsley
| Description | RIVER DERWENT AT ROWSLEY |
|---|---|
| Sampling point ID | MD-49706690 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 425677 365891 lat lon: 53.189483, -1.617166 |
| Area | Derbyshire Nottinghamshire And Leicestershire |
| Sub-Area | Derbyshire, Derwent And Erewash |
| Summary | 258 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.
71 determinands have been measured at this site
- Al- Filtered
- Alky pH 4.5
- Aluminium-Al
- Ammonia(N)
- Arsenic - As
- As-Filtered
- BOD ATU
- Barium - Ba
- Boron - as B
- Bromide Ion
- C - Org Filt
- CHLOROPHYLL
- COD as O2
- Ca Filtered
- Cadmium - Cd
- Calcium - Ca
- Cd Filtered
- Chloride Ion
- Chlorophylls
- Chromium -Cr
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cr- Filtered
- Cu BLM Bio
- Cu Filtered
- Fe- Filt
- Hardness
- Hexachlorbnz
- Iron - as Fe
- Lead - as Pb
- Magnesium-Mg
- Manganse-Mn
- Mercury - Hg
- Mg Filtered
- Mn BLM Bio
- Mn- Filtered
- N Oxidised
- N-Kjeldahl
- NATGRIDREF
- NH3 un-ion
- Ni BLM Bio
- Ni- Filtered
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- Nitrogen - N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- Pb BLM Bio
- Pb Filtered
- Phenol Odour
- Potassium- K
- SiO2 Rv
- Sld Sus@105C
- Sodium - Na
- Sulphate SO4
- Temp Water
- Weth-Visibty
- Weth7Dy-Prec
- Weth7Dy-Temp
- Weth7Dy-Vsy
- WethPresPrec
- WethPresTemp
- Zinc - as Zn
- Zn BLM Bio
- Zn- Filtered
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 258 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 6 Nov 2023 to 20 Mar 2024
| Notation | Determinand | Units | 6 Nov 2023 11:52 | 21 Nov 2023 10:20 | 8 Dec 2023 10:18 | 18 Dec 2023 10:42 | 4 Jan 2024 10:22 | 26 Jan 2024 09:29 | 9 Feb 2024 09:24 | 23 Feb 2024 08:33 | 1 Mar 2024 10:43 | 20 Mar 2024 10:07 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0052 | Lead, Dissolved | μg/l | 3.3 | 2.5 | 4.2 | 2.4 | < 2 | 2.5 | 3.3 | 2.9 | 2 | 2.1 |
| 0061 | pH | 8.11 | 8.11 | 7.84 | 8.07 | 8.13 | 8.17 | 8.08 | 7.83 | 8.22 | 8.08 | |
| 0106 | Cadmium, Dissolved | μg/l | 0.17 | 0.14 | 0.18 | 0.18 | 0.3 | 0.16 | 0.13 | 0.15 | 0.16 | 0.15 |
| 0158 | Hardness, Total as CaCO3 | mg/l | 79.4 | 71.5 | 78.9 | 99.7 | 245 | 101 | 80.2 | 68.5 | 83.9 | 92.2 |
| 0235 | Magnesium, Dissolved | mg/l | 2.9 | 2.8 | 2.8 | 3.6 | 4.2 | 3.8 | 3.1 | 2.7 | 3.4 | 3.6 |
| 0239 | Calcium, Dissolved | mg/l | 27 | 24 | 27 | 34 | 91 | 34 | 27 | 23 | 28 | 31 |
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 5.4 | 6.2 | 6.2 | 3.4 | 1.4 | 3.3 | 4.6 | 4.7 | 3.6 | 3.6 |
| 3408 | Zinc, Dissolved | μg/l | 13 | 13 | 14 | 18 | 29 | 18 | 12 | 13 | 18 | 15 |
| 3409 | Chromium, Dissolved | μg/l | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 |
| 3410 | Nickel, Dissolved | μg/l | 2.3 | 2.5 | 2.9 | 2.5 | 1.1 | 2.6 | 2.4 | 2.3 | 2.2 | 2.2 |
| 6037 | Aluminium, Dissolved | μg/l | 76 | 88 | 82 | 50 | 13 | 48 | 59 | 89 | 59 | 52 |
| 6450 | Copper, Dissolved | μg/l | 2 | 2.1 | 2.1 | 1.7 | < 1 | 1.6 | 3 | 2 | 1.8 | 1.7 |
Samples from 6 Apr 2022 to 30 Oct 2023
| Notation | Determinand | Units | 6 Apr 2022 11:24 | 13 May 2022 11:37 | 6 Jun 2022 13:00 | 15 Feb 2023 13:13 | 16 Mar 2023 12:21 | 3 Aug 2023 13:33 | 28 Sep 2023 11:25 | 12 Oct 2023 11:13 | 20 Oct 2023 09:51 | 30 Oct 2023 12:44 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0052 | Lead, Dissolved | μg/l | < 2 | 2.2 | 6.3 | 3.6 | 3.2 | 6 | 4.6 | |||
| 0061 | pH | 8.06 | 8.14 | 7.92 | 8.12 | 7.8 | 8.15 | 8.15 | 7.93 | 7.87 | 8.28 | |
| 0076 | Temperature of Water | °C | 9.2 | 12.6 | 12.6 | 5.3 | 7 | 14.7 | 13.4 | 9.9 | ||
| 0077 | Conductivity at 25 C | μs/cm | 225 | 248 | 244 | 257 | 158 | 207 | 242 | 266 | ||
| 0106 | Cadmium, Dissolved | μg/l | 0.12 | 0.14 | 0.15 | < 0.1 | < 0.1 | < 0.1 | 0.21 | |||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | 0.1 | |||||||
| 0114 | Nitrogen, Kjeldahl as N | mg/l | 0.2 | 0.3 | 0.5 | |||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 1.2 | 1 | 1.3 | |||||||
| 0117 | Nitrate as N | mg/l | 1.2 | 0.992 | 1.28 | |||||||
| 0118 | Nitrite as N | mg/l | < 0.004 | 0.0079 | 0.017 | |||||||
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00052 | < 0.00066 | 0.00184 | |||||||
| 0158 | Hardness, Total as CaCO3 | mg/l | 103 | 55.2 | 82.7 | 95.1 | 110 | 58.1 | 106 | |||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 66 | 73 | 71 | |||||||
| 0172 | Chloride | mg/l | 14 | 13 | 14 | |||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.014 | 0.025 | 0.065 | |||||||
| 0183 | Sulphate as SO4 | mg/l | 20 | 24 | 23 | |||||||
| 0207 | Sodium | mg/l | 10 | 11 | 12 | |||||||
| 0211 | Potassium | mg/l | 1.5 | 1.7 | 1.9 | |||||||
| 0235 | Magnesium, Dissolved | mg/l | 4.4 | 2.5 | 3.1 | 4.3 | 4.4 | 2.6 | 3.4 | |||
| 0237 | Magnesium | mg/l | 3.8 | 4.9 | 5 | |||||||
| 0239 | Calcium, Dissolved | mg/l | 34 | 18 | 28 | 31 | 37 | 19 | 37 | |||
| 0241 | Calcium | mg/l | 29 | 31 | 29 | |||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 4.1 | 2.6 | 3 | 2.6 | 5.3 | 12 | 5.6 | 5.2 | 12 | 5.1 |
| 3169 | pH : In Situ | 8.12 | 7.8 | 8.28 | ||||||||
| 3408 | Zinc, Dissolved | μg/l | 17 | 12 | 16 | 11 | 11 | 9.5 | 17 | |||
| 3409 | Chromium, Dissolved | μg/l | < 0.5 | < 0.5 | 0.57 | < 0.5 | < 0.5 | 0.53 | < 0.5 | |||
| 3410 | Nickel, Dissolved | μg/l | 2 | 2.4 | 3.4 | 2.1 | 2 | 3.5 | 2.8 | |||
| 6037 | Aluminium, Dissolved | μg/l | 35 | 84 | 120 | 41 | 37 | 110 | 62 | |||
| 6450 | Copper, Dissolved | μg/l | 1.1 | 1.9 | 3.4 | 1.8 | 1.4 | 3.8 | 2.1 | |||
| 9686 | Nitrogen, Total as N | mg/l | 1.4 | 1.3 | 1.8 | |||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 102 | 106.3 | 99.4 | 103.7 | 101.6 | 102.2 | 97.5 | 99.9 | ||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 11.7 | 11.3 | 10.5 | 13.1 | 12.3 | 10.3 | 10.2 | 11.3 |