sampling point
River Taw D/S North Tawton Stw
| Description | RIVER TAW BELOW NORTH TAWTON STW |
|---|---|
| Sampling point ID | SW-73030156 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 265390 102140 lat lon: 50.803134, -3.911655 |
| Area | Devon And Cornwall |
| Sub-Area | East Devon And Cornwall |
| Summary | 73 samples taken between 2024 and 2011 |
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.
26 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- C - Org Filt
- Ca Filtered
- Calcium - Ca
- Cond @ 25C
- Fe- Filt
- Hardness
- Magnesium-Mg
- Mg Filtered
- Mn BLM Bio
- Mn- Filtered
- N Inorganic
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Phosphate
- Sld Sus@105C
- Temp Water
- WethPresPrec
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 73 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 16 Oct 2018 to 2 Jul 2024
| Notation | Determinand | Units | 16 Oct 2018 09:54 | 7 Jan 2019 10:01 | 1 Apr 2019 09:57 | 23 Jul 2019 08:39 | 10 Oct 2019 11:00 | 13 Jan 2020 09:45 | 10 Oct 2023 09:52 | 11 Jan 2024 11:01 | 8 Apr 2024 09:49 | 2 Jul 2024 10:08 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.7 | 7.44 | 7.8 | 7.9 | 7.51 | 7.26 | 7.44 | 7.48 | 7.34 | 8.85 | |
| 0235 | Magnesium, Dissolved | mg/l | 2.97 | 3.79 | 4.31 | 4.4 | 1.9 | 3.1 | 2.8 | 3.1 | 2.6 | 4.9 |
| 0239 | Calcium, Dissolved | mg/l | 11.5 | 15.9 | 17.8 | 19 | 6.5 | 12 | 12 | 14 | 12 | 20 |
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 3.68 | 1.9 | 1.96 | 2.4 | 6 | 3.5 | 2.3 | 1.9 | 2.7 | 2.2 |
| 6460 | Iron, Dissolved | μg/l | 119 | 70.1 | 71.3 | 86 | 210 | 160 | 86 | 83 | 290 | 180 |
Samples from 12 Apr 2016 to 10 Jul 2018
| Notation | Determinand | Units | 12 Apr 2016 11:20 | 7 Jul 2016 10:45 | 21 Oct 2016 11:17 | 6 Jan 2017 07:40 | 26 Apr 2017 07:40 | 3 Aug 2017 09:18 | 12 Oct 2017 09:28 | 3 Jan 2018 09:05 | 24 Apr 2018 09:49 | 10 Jul 2018 13:48 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.9 | 7.9 | 7.6 | 7.91 | 7.61 | 7.87 | 8.47 | 7.84 | 8.2 | 7.9 | |
| 0235 | Magnesium, Dissolved | mg/l | 4.44 | 1.74 | 2.26 | 2.59 | 4 | 4.78 | ||||
| 0239 | Calcium, Dissolved | mg/l | 17.4 | 15.9 | 16.3 | 12.6 | 17.3 | 6.04 | 7.56 | 10.6 | 17.3 | 18 |
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 2.13 | 2.45 | 3.01 | 1.92 | 1.65 | 8.73 | 4.01 | 4.99 | 2.07 | 2.44 |
| 4820 | Manganese : BLM Bioavailable | μg/l | 12.5 | 11 | 7.73 | 4.34 | ||||||
| 6458 | Manganese, Dissolved | μg/l | 14.7 | 12.9 | 16.7 | < 10 | ||||||
| 6460 | Iron, Dissolved | μg/l | 89.6 | 77.4 | 70.3 | 65 | 69.2 | 272 | 164 | 178 | 105 | 88 |