sampling point
River Taw At Rowden Moor
| Description | RIVER TAW AT ROWDEN MOOR |
|---|---|
| Sampling point ID | SW-73030211 |
| Type | Freshwater – Rivers |
| Status | closed |
| Location |
easting northing: 265502 99476 lat lon: 50.779218, -3.909091 |
| Area | Devon And Cornwall |
| Sub-Area | East Devon And Cornwall |
| Summary | 76 samples taken between 2013 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.
64 determinands have been measured at this site
- Action taken
- Al- Filtered
- Alky pH 4.5
- Aluminium-Al
- Ammonia(N)
- Arsenic - As
- As-Filtered
- B - Filtered
- BOD ATU
- Ba- Filtered
- Barium - Ba
- Boron - as B
- C - Org Filt
- Ca Filtered
- Cadmium - Cd
- Calcium - Ca
- Cd Filtered
- Chloride Ion
- Chromium -Cr
- Cond @ 25C
- Copper - Cu
- Cr- Filtered
- Cu Filtered
- Fe- Filt
- Hardness
- Hdnss Ca
- Hdnss Mg
- IonicBalance
- Iron - as Fe
- K- Filtered
- Lead - as Pb
- Lithium - Li
- Lithium Filt
- Magnesium-Mg
- Manganse-Mn
- Mg Filtered
- Mn- Filtered
- N Inorganic
- N Oxidised
- NATGRIDREF
- NH3 un-ion
- Na- Filtered
- Ni- Filtered
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Pb Filtered
- Potassium- K
- SO4dis
- SiO2 Rv
- Sld Sus@105C
- Sodium - Na
- Strontium-Sr
- StrontumFilt
- Sulphate SO4
- Temp Water
- Type of Flow
- WethPresPrec
- Zinc - as Zn
- Zn- Filtered
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 76 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 17 Mar 2006 to 9 Sep 2013
| Notation | Determinand | Units | 17 Mar 2006 09:15 | 30 Mar 2006 08:20 | 19 Apr 2006 08:25 | 10 May 2006 10:40 | 6 Jul 2006 08:40 | 3 Aug 2006 09:10 | 1 Sep 2006 12:45 | 12 Oct 2006 10:09 | 30 Nov 2006 09:45 | 9 Sep 2013 13:21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0050 | Lead | μg/l | < 2 | |||||||||
| 0052 | Lead, Dissolved | μg/l | < 2 | |||||||||
| 0061 | pH | 7 | 6.68 | 7.1 | 8.1 | 7.1 | 6.9 | 8.1 | 7.05 | 7.4 | 7.5 | |
| 0076 | Temperature of Water | °C | 3.8 | 9 | 8.9 | 11 | 16 | 15.1 | 16.5 | 12 | 95 | 12.9 |
| 0077 | Conductivity at 25 C | μs/cm | 107 | |||||||||
| 0085 | BOD : 5 Day ATU | mg/l | < 1 | 1.3 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | 1.1 | |
| 0106 | Cadmium, Dissolved | μg/l | < 0.1 | |||||||||
| 0108 | Cadmium | μg/l | < 0.1 | |||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | < 0.03 | 0.048 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 1.28 | 0.97 | 0.75 | 0.53 | 0.82 | 0.78 | 1.04 | 1.18 | 1.78 | 0.39 |
| 0117 | Nitrate as N | mg/l | 1.28 | 0.966 | 0.746 | 0.526 | 0.816 | 0.776 | 1.04 | 1.18 | 1.78 | |
| 0118 | Nitrite as N | mg/l | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 |
| 0119 | Ammonia un-ionised as N | mg/l | < 4.0e-05 | < 2.0e-05 | < 6.0e-05 | < 0.00059 | 0.00018 | < 6.0e-05 | < 0.00088 | < 7.0e-05 | < 0.0218 | |
| 0135 | Solids, Suspended at 105 C | mg/l | < 3 | |||||||||
| 0158 | Hardness, Total as CaCO3 | mg/l | 26.6 | |||||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 15 | |||||||||
| 0172 | Chloride | mg/l | 12.9 | |||||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.041 | < 0.02 | < 0.02 | 0.028 | 0.061 | 0.089 | 0.138 | < 0.02 | < 0.02 | |
| 0182 | Silica, reactive as SiO2 | mg/l | 6.11 | |||||||||
| 0183 | Sulphate as SO4 | mg/l | 12.8 | |||||||||
| 0205 | Sodium, Dissolved | mg/l | 8.64 | |||||||||
| 0207 | Sodium | mg/l | 8.18 | |||||||||
| 0209 | Potassium, Dissolved | mg/l | 1.38 | |||||||||
| 0211 | Potassium | mg/l | 1 | 1.14 | 1.09 | 1.02 | 1.39 | 1.49 | 1.4 | |||
| 0235 | Magnesium, Dissolved | mg/l | 1.98 | |||||||||
| 0237 | Magnesium | mg/l | 1.98 | |||||||||
| 0239 | Calcium, Dissolved | mg/l | 7.38 | |||||||||
| 0241 | Calcium | mg/l | 7.18 | |||||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 1.81 | |||||||||
| 1183 | Weather : Precipitation | 1 | 6 | 1 | 1 | 3 | 1 | 2 | 1 | 2 | ||
| 3164 | Chromium | μg/l | < 0.5 | |||||||||
| 3267 | Type of flow as description | 3 | 3 | 3 | 3 | 2 | 2 | 1 | 3 | 3 | ||
| 3408 | Zinc, Dissolved | μg/l | < 5 | |||||||||
| 3409 | Chromium, Dissolved | μg/l | < 0.5 | |||||||||
| 3410 | Nickel, Dissolved | μg/l | < 1 | |||||||||
| 3683 | Nitrogen, Total Inorganic : (Calculated) | mg/l | 1.31 | 1 | 0.78 | 0.56 | 0.868 | 0.81 | ||||
| 4201 | Lithium, Dissolved | μg/l | < 100 | |||||||||
| 6037 | Aluminium, Dissolved | μg/l | 12.7 | |||||||||
| 6045 | Arsenic, Dissolved | μg/l | 2.32 | |||||||||
| 6046 | Arsenic | μg/l | 2.54 | |||||||||
| 6050 | Manganese | μg/l | 11.7 | |||||||||
| 6051 | Iron | μg/l | 140 | |||||||||
| 6057 | Aluminium | μg/l | 53.5 | |||||||||
| 6059 | Boron | μg/l | < 100 | |||||||||
| 6062 | Barium | μg/l | < 10 | |||||||||
| 6063 | Strontium | μg/l | 30.1 | |||||||||
| 6064 | Lithium | μg/l | < 100 | |||||||||
| 6450 | Copper, Dissolved | μg/l | 1.52 | |||||||||
| 6452 | Copper | μg/l | 1.61 | |||||||||
| 6455 | Zinc | μg/l | < 5 | |||||||||
| 6458 | Manganese, Dissolved | μg/l | < 10 | |||||||||
| 6460 | Iron, Dissolved | μg/l | 54.6 | |||||||||
| 6462 | Nickel | μg/l | < 1 | |||||||||
| 6693 | Strontium, Filtered | μg/l | 30.6 | |||||||||
| 7044 | Ionic Balance | % | -2.4 | |||||||||
| 7434 | National Grid Reference : Whole : Field report | 1 | ||||||||||
| 7859 | Sulphate, Dissolved as SO4 | mg/l | 12.8 | |||||||||
| 9446 | Barium, Dissolved | μg/l | < 10 | |||||||||
| 9447 | Boron, Dissolved | μg/l | < 100 | |||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 97.2 | 96.4 | 104.8 | 97 | 97 | 98 | 96 | 100.4 | 95 | 98.8 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 12.8 | 11.1 | 12.1 | 10.7 | 9.55 | 9.84 | 9.35 | 10.8 |