sampling point
Rosevean Stream Approx 75 M D/S Rocks Stm
| Description | ROSEVEAN STR APPROX 75M BELOW ROCKS DRYERS STREAM |
|---|---|
| Sampling point ID | SW-81611075 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 203400 58730 lat lon: 50.395493, -4.767463 |
| Area | Devon And Cornwall |
| Sub-Area | West Devon And Cornwall |
| Summary | 243 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.
49 determinands have been measured at this site
- Action taken
- Al Active
- Al- Filtered
- Alky pH 4.5
- Aluminium-Al
- Ammonia(N)
- Arsenic - As
- As-Filtered
- BOD ATU
- C - Org Filt
- Ca Filtered
- Cadmium - Cd
- Calcium - Ca
- Cd Filtered
- Chromium -Cr
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cr- Filtered
- Cu BLM Bio
- Cu Filtered
- Fe- Filt
- Hardness
- Hdnss Ca
- Hdnss Mg
- Iron - as Fe
- Lead - as Pb
- Magnesium-Mg
- Mg Filtered
- N Inorganic
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Ni- Filtered
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Pb Filtered
- Sld NV@500C
- Sld Sus@105C
- Temp Water
- Type of Flow
- WethPresPrec
- Zinc - as Zn
- Zn- Filtered
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 243 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 11 Feb 2019 to 6 Oct 2021
| Notation | Determinand | Units | 11 Feb 2019 13:31 | 1 May 2019 13:21 | 8 Aug 2019 15:25 | 11 Nov 2019 12:42 | 11 Nov 2019 12:43 | 14 Jan 2020 13:25 | 11 Feb 2020 10:37 | 16 Mar 2020 11:23 | 22 Jun 2021 11:19 | 6 Oct 2021 14:07 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 6.5 | 7.13 | 7.2 | 6.8 | 6.8 | 6.95 | 6.78 | 6.66 | 6.33 | 6.82 | |
| 0076 | Temperature of Water | °C | 10.3 | 11.5 | 9.6 | 19.2 | 13.2 | |||||
| 0077 | Conductivity at 25 C | μs/cm | 278 | 352 | 413 | 1127 | 277 | |||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.063 | 0.077 | 0.05 | 0.21 | 0.051 | |||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 1.32 | 1.3 | 1.4 | 0.88 | 0.85 | |||||
| 0117 | Nitrate as N | mg/l | 1.32 | 1.29 | 1.4 | 0.862 | 0.846 | |||||
| 0118 | Nitrite as N | mg/l | < 0.004 | 0.0068 | < 0.004 | 0.018 | < 0.004 | |||||
| 0119 | Ammonia un-ionised as N | mg/l | 8.0e-05 | 0.00014 | 4.0e-05 | 0.00017 | 8.0e-05 | |||||
| 0135 | Solids, Suspended at 105 C | mg/l | 11.1 | 29 | 12 | 7.6 | 16 | |||||
| 0143 | Solids, non-volatile at 500 C | mg/l | < 20 | 24 | < 20 | < 20 | < 20 | |||||
| 0158 | Hardness, Total as CaCO3 | mg/l | 47.8 | 38.8 | 86.1 | 40.6 | 47.3 | |||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 27 | 15 | 17 | 15 | 24 | |||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.071 | 0.016 | 0.08 | 0.31 | 0.032 | |||||
| 0237 | Magnesium | mg/l | 4.08 | 3.4 | 10 | 3.2 | 4.2 | |||||
| 0239 | Calcium, Dissolved | mg/l | 12 | 9.98 | 18 | 11 | 12 | |||||
| 0241 | Calcium | mg/l | 12.4 | 9.92 | 18 | 11 | 12 | |||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 2.94 | 2.34 | 2 | 3.57 | 2.8 | |||||
| 3408 | Zinc, Dissolved | μg/l | 16.6 | 12.1 | 24 | 13 | 11 | |||||
| 4821 | Copper : BLM Bioavailable | μg/l | 0.66 | 0.51 | 0.51 | 0.29 | 0.35 | |||||
| 4905 | Active Aluminium : Dissolved | μg/l | 110 | |||||||||
| 6450 | Copper, Dissolved | μg/l | 4.29 | 4.8 | 4.1 | 3.4 | 3.1 | |||||
| 6455 | Zinc | μg/l | 16.7 | 12.8 | 26 | 16 | 12 | |||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 87.8 | 92.7 | 95.7 | 74.2 | 87 | |||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 9.82 | 10.1 | 10.9 | 6.84 | 9.1 |
Samples from 8 Aug 2016 to 2 Nov 2018
| Notation | Determinand | Units | 8 Aug 2016 11:21 | 10 Nov 2016 10:20 | 2 Feb 2017 12:10 | 11 May 2017 13:06 | 17 Aug 2017 12:59 | 7 Nov 2017 14:03 | 6 Feb 2018 12:22 | 14 May 2018 13:41 | 14 Aug 2018 13:42 | 2 Nov 2018 15:10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 6.81 | 6.59 | 6.71 | 6.37 | 6.55 | 6.58 | 6.35 | 6.8 | 7.11 | 6.36 | |
| 0158 | Hardness, Total as CaCO3 | mg/l | 117 | 92.9 | 54 | 116 | 58.6 | 86 | 66.9 | 76.1 | 42.7 | 99.3 |
| 0237 | Magnesium | mg/l | 13.3 | 10.5 | 4.98 | 13.3 | 5.69 | 9.97 | 6.9 | 8.17 | 3.76 | 12.3 |
| 0239 | Calcium, Dissolved | mg/l | 25.5 | 20.4 | 13.3 | 25 | 14.1 | 18.1 | 16.4 | 15.6 | 11 | 20.2 |
| 0241 | Calcium | mg/l | 25.1 | 19.9 | 13.4 | 24.5 | 14.1 | 18 | 15.4 | 17 | 10.9 | 19.5 |
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 2.12 | 2.93 | 4.89 | 2.35 | 4.16 | 2.86 | 1.9 | 2.15 | 2.99 | 2.05 |
| 3408 | Zinc, Dissolved | μg/l | 38.8 | 30.6 | 15.6 | 28.6 | 10.1 | 31.1 | 39.7 | 17.7 | 12.8 | 42.7 |
| 4821 | Copper : BLM Bioavailable | μg/l | 1.19 | 0.97 | 0.33 | 1.14 | 0.48 | 0.77 | 1.42 | 0.71 | 0.63 | 1.74 |
| 6450 | Copper, Dissolved | μg/l | 8.07 | 7.21 | 4.81 | 4.71 | 4.79 | 5.51 | 4.67 | 4.88 | 7.53 | 6.2 |
| 6455 | Zinc | μg/l | 43.4 | 33.6 | 18.8 | 34.7 | 11.1 | 27.9 | 43.3 | 20.1 | 19.4 | 45.8 |