sampling point
River Derwent At Grindleford
| Description | RIVER DERWENT AT GRINDLEFORD |
|---|---|
| Sampling point ID | MD-49709870 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 424486 377802 lat lon: 53.296602, -1.634079 |
| Area | Derbyshire Nottinghamshire And Leicestershire |
| Sub-Area | Derbyshire, Derwent And Erewash |
| Summary | 240 samples taken between 2023 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.
77 determinands have been measured at this site
- Al- Filtered
- Alky pH 4.5
- Aluminium-Al
- Ammonia(N)
- Arsenic - As
- As-Filtered
- B - Filtered
- BOD ATU
- Ba- Filtered
- Barium - Ba
- Bicarb HCO3
- Boron - as B
- C - Org Filt
- CHLOROPHYLL
- Ca Filtered
- Cadmium - Cd
- Calcium - Ca
- Cd Filtered
- Chloride Ion
- Chromium -Cr
- Cl2 Free
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cr- Filtered
- Cu BLM Bio
- Cu Filtered
- D Site Insp
- Fe- Filt
- Hardness
- Hg Filtered
- IonicBalance
- Iron - as Fe
- Lead - as Pb
- Lithium - Li
- Magnesium-Mg
- Manganse-Mn
- Mercury - Hg
- Mg Filtered
- Mn BLM Bio
- Mn- Filtered
- N Oxidised
- NATGRIDREF
- NH3 un-ion
- Ni BLM Bio
- Ni- Filtered
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- OrthophsFilt
- Oxygen Diss
- Pb BLM Bio
- Pb Filtered
- Phenol Odour
- Phosphorus-P
- Potassium- K
- SiO2 Rv
- Sld Sus@105C
- Sodium - Na
- Strontium-Sr
- StrontumFilt
- 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 240 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 28 Nov 2019 to 8 Sep 2023
| Notation | Determinand | Units | 28 Nov 2019 09:49 | 22 Jan 2020 12:19 | 24 Jan 2020 10:11 | 24 Feb 2020 14:01 | 28 Feb 2020 12:22 | 16 Mar 2020 11:05 | 26 Mar 2021 12:55 | 17 Sep 2021 11:59 | 28 Mar 2023 09:26 | 8 Sep 2023 13:07 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0052 | Lead, Dissolved | μg/l | 0.83 | 1.3 | 1 | 1.4 | ||||||
| 0061 | pH | 8.11 | 7.72 | 8.26 | 7.49 | 7.92 | 7.97 | 7.76 | 7.89 | 7.9 | ||
| 0076 | Temperature of Water | °C | 7.9 | 6.3 | 6.4 | 6.6 | 5.3 | 6.8 | 12.3 | 6.2 | 16.1 | |
| 0077 | Conductivity at 25 C | μs/cm | 161 | 220 | 196 | |||||||
| 0085 | BOD : 5 Day ATU | mg/l | 1.3 | 1.2 | 1.2 | < 4 | 1.2 | < 1 | ||||
| 0103 | Mercury, Dissolved | μg/l | < 0.01 | < 0.01 | < 0.01 | < 0.01 | ||||||
| 0106 | Cadmium, Dissolved | μg/l | 0.1 | 0.052 | 0.12 | 0.051 | ||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | 0.0045 | 0.0051 | 0.0061 | 0.0035 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 0.9 | 1.2 | 1.2 | 0.87 | 1.4 | 1.2 | 1.2 | 0.68 | 1.3 | 0.7 |
| 0117 | Nitrate as N | mg/l | 0.896 | 1.2 | 1.2 | 0.866 | 1.4 | 1.2 | 1.2 | 0.679 | 1.3 | 0.698 |
| 0118 | Nitrite as N | mg/l | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | 0.0017 | 0.0013 | 0.0018 | 0.0016 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00047 | < 0.00022 | < 0.00042 | < 0.00013 | < 0.00032 | < 0.0004 | 6.0e-05 | 7.0e-05 | 8.0e-05 | |
| 0135 | Solids, Suspended at 105 C | mg/l | 14 | < 3 | 6 | 43 | 5.6 | 4.1 | ||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 37 | 56 | 58 | 30 | 58 | 58 | 69 | 49 | 64 | 58 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.015 | 0.024 | 0.0053 | 0.015 | ||||||
| 0235 | Magnesium, Dissolved | mg/l | 3.7 | 3.8 | 3.5 | 4 | ||||||
| 0239 | Calcium, Dissolved | mg/l | 31 | 18 | 30 | 22 | ||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 2.4 | 3.9 | 3.1 | 4.6 | ||||||
| 3377 | Lead : BLM Bioavailable | μg/l | 0.35 | 0.33 | 0.32 | 0.3 | ||||||
| 3408 | Zinc, Dissolved | μg/l | 8.5 | 6.5 | 10 | 5.5 | ||||||
| 3409 | Chromium, Dissolved | μg/l | < 0.5 | < 0.5 | < 0.5 | < 0.5 | ||||||
| 3410 | Nickel, Dissolved | μg/l | 1.5 | 1.3 | 2.1 | 1.6 | ||||||
| 3878 | Nickel : BLM Bioavailable | μg/l | 1.1 | 0.69 | 1.2 | 0.77 | ||||||
| 4820 | Manganese : BLM Bioavailable | μg/l | 20 | 13 | 19 | 12 | ||||||
| 4821 | Copper : BLM Bioavailable | μg/l | 0.12 | 0.09 | 0.11 | 0.08 | ||||||
| 4822 | Zinc : BLM Bioavailable | μg/l | 5.1 | 3.1 | 5.3 | 2.3 | ||||||
| 6450 | Copper, Dissolved | μg/l | 0.83 | 1.2 | 1.1 | 1.3 | ||||||
| 6458 | Manganese, Dissolved | μg/l | 20 | 15 | 22 | 14 | ||||||
| 6460 | Iron, Dissolved | μg/l | 130 | 350 | 160 | 290 | ||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 101 | 100 | 100.1 | 103.2 | 98.4 | 105.7 | 92.5 | 99.6 | 103.5 | |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 12 | 12.3 | 12.3 | 12.6 | 12.5 | 12.9 | 9.88 | 12.3 | 10.2 |
Samples from 13 Jun 2017 to 29 Oct 2019
| Notation | Determinand | Units | 13 Jun 2017 13:37 | 11 Jul 2017 11:57 | 20 Sep 2017 09:36 | 14 Mar 2018 14:24 | 19 Sep 2018 12:35 | 19 Mar 2019 12:31 | 18 Jun 2019 12:01 | 14 Jul 2019 11:38 | 26 Aug 2019 13:26 | 29 Oct 2019 10:45 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0052 | Lead, Dissolved | μg/l | 1.44 | |||||||||
| 0061 | pH | 7.88 | 8.01 | 8.28 | 7.67 | 7.95 | 7.89 | 8.12 | 7.9 | |||
| 0076 | Temperature of Water | °C | 10.2 | 6.4 | 14.3 | 7.4 | 12 | 13.7 | 15.1 | 8.3 | ||
| 0077 | Conductivity at 25 C | μs/cm | 234 | 217 | 177 | 100 | ||||||
| 0085 | BOD : 5 Day ATU | mg/l | < 1 | < 1 | < 1 | 1.5 | ||||||
| 0103 | Mercury, Dissolved | μg/l | < 0.01 | |||||||||
| 0106 | Cadmium, Dissolved | μg/l | 0.159 | |||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.0093 | 0.0116 | 0.0029 | 0.0136 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | ||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 1.1 | 0.85 | 1.05 | 1.53 | 0.613 | 1.89 | 1.17 | 1.03 | 1.4 | 1.5 |
| 0117 | Nitrate as N | mg/l | 1.1 | 0.846 | 1.05 | 1.53 | 0.609 | 1.89 | 1.17 | 1.02 | 1.4 | 1.5 |
| 0118 | Nitrite as N | mg/l | < 0.004 | < 0.004 | 0.00278 | 0.00217 | 0.00356 | 0.00249 | < 0.004 | 0.0068 | 0.0042 | < 0.004 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00013 | 0.00016 | 7.0e-05 | 0.0001 | < 0.00057 | < 0.00056 | < 0.00079 | < 0.00038 | ||
| 0135 | Solids, Suspended at 105 C | mg/l | 9.87 | 4.38 | 5.4 | 4.7 | ||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 78 | 61 | 48 | 48 | 54 | 55 | 78 | 68 | ||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.0258 | 0.0106 | 0.021 | 0.0122 | ||||||
| 0235 | Magnesium, Dissolved | mg/l | 2.86 | |||||||||
| 0239 | Calcium, Dissolved | mg/l | 23.4 | |||||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 2.88 | |||||||||
| 3377 | Lead : BLM Bioavailable | μg/l | 0.5 | |||||||||
| 3408 | Zinc, Dissolved | μg/l | 11.8 | |||||||||
| 3409 | Chromium, Dissolved | μg/l | < 0.5 | |||||||||
| 3410 | Nickel, Dissolved | μg/l | 2.25 | |||||||||
| 3878 | Nickel : BLM Bioavailable | μg/l | 1.2 | |||||||||
| 4820 | Manganese : BLM Bioavailable | μg/l | 12.4 | |||||||||
| 4821 | Copper : BLM Bioavailable | μg/l | 0.13 | |||||||||
| 4822 | Zinc : BLM Bioavailable | μg/l | 6.76 | |||||||||
| 6450 | Copper, Dissolved | μg/l | 1.38 | |||||||||
| 6458 | Manganese, Dissolved | μg/l | 23.3 | |||||||||
| 6460 | Iron, Dissolved | μg/l | 163 | |||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 96.8 | 101.1 | 105.5 | 102.7 | 99.5 | 100.1 | 106.8 | 99 | ||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.9 | 12.4 | 10.8 | 12.3 | 10.7 | 10.4 | 10.7 | 11.6 |