sampling point
River Weaver At Weaver Bridge On B3181
| Description | RIVER WEAVER AT WEAVER BRIDGE ON B3181 |
|---|---|
| Sampling point ID | SW-70532917 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 301323 103350 lat lon: 50.821254, -3.402237 |
| Area | Devon And Cornwall |
| Sub-Area | East Devon And Cornwall |
| Summary | 131 samples taken between 2017 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.
26 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Calcium - Ca
- Cond @ 25C
- Cu Filtered
- Hardness
- Hdnss Ca
- Hdnss Mg
- Magnesium-Mg
- N Inorganic
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Phosphate
- Potassium- K
- Temp Water
- Type of Flow
- WethPresPrec
- Zinc - as Zn
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 131 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 1 Mar 2017 to 4 Dec 2017
| Notation | Determinand | Units | 1 Mar 2017 11:00 | 3 Apr 2017 13:27 | 8 May 2017 13:35 | 18 Jul 2017 12:50 | 9 Aug 2017 13:45 | 15 Aug 2017 13:09 | 7 Sep 2017 13:26 | 5 Oct 2017 09:09 | 3 Nov 2017 14:10 | 4 Dec 2017 11:20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.01 | 8.08 | |||||||||
| 0076 | Temperature of Water | °C | 10.5 | 18.5 | ||||||||
| 0077 | Conductivity at 25 C | μs/cm | 429 | 505 | ||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.039 | 0.039 | ||||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 4.94 | 3.82 | ||||||||
| 0117 | Nitrate as N | mg/l | 4.91 | 3.8 | ||||||||
| 0118 | Nitrite as N | mg/l | 0.0349 | 0.0206 | ||||||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00074 | 0.00132 | ||||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 133 | 159 | ||||||||
| 0180 | Orthophosphate, reactive as P | mg/l | < 0.5 | 0.076 | < 0.5 | 0.342 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 105.3 | 92.5 | ||||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 11.7 | 8.65 |
Samples from 3 May 2016 to 3 Feb 2017
| Notation | Determinand | Units | 3 May 2016 11:05 | 1 Jun 2016 12:18 | 11 Jul 2016 13:00 | 4 Aug 2016 11:04 | 13 Sep 2016 09:18 | 14 Oct 2016 09:30 | 8 Nov 2016 09:37 | 1 Dec 2016 09:56 | 5 Jan 2017 13:24 | 3 Feb 2017 12:11 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.8 | 7.7 | 7.8 | 7.8 | |||||||
| 0076 | Temperature of Water | °C | 14.7 | 15 | 2.6 | 4.4 | ||||||
| 0077 | Conductivity at 25 C | μs/cm | 517 | 484 | 485 | 513 | ||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.052 | 0.054 | 0.159 | 0.1 | ||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 5.16 | 4.44 | 7.58 | 7.73 | ||||||
| 0117 | Nitrate as N | mg/l | 5.11 | 4.41 | 7.55 | 7.68 | ||||||
| 0118 | Nitrite as N | mg/l | 0.0492 | 0.0336 | 0.032 | 0.0489 | ||||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00085 | 0.00072 | 0.00107 | 0.00077 | ||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 171 | 164 | 126 | 140 | ||||||
| 0180 | Orthophosphate, reactive as P | mg/l | < 0.5 | 0.343 | < 0.5 | < 0.5 | 0.34 | < 0.5 | < 0.5 | 0.125 | 0.158 | < 0.5 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 85 | 79 | 89.7 | 98 | ||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.6 | 7.95 | 12.2 | 12.7 |