sampling point
Coombe Valley Stream At Duckpool Cottage
| Description | COOMBE VALLEY STREAM AT DUCKPOOL COTTAGE |
|---|---|
| Sampling point ID | SW-82712204 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 220270 111649 lat lon: 50.876315, -4.55604 |
| Area | Devon And Cornwall |
| Sub-Area | Central Devon And Cornwall |
| Summary | 218 samples taken between 2024 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.
31 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Calcium - Ca
- Cond @ 20C
- Cond @ 25C
- Cu Filtered
- Hardness
- Hdnss Ca
- Hdnss Mg
- Magnesium-Mg
- Mineral Oils
- N Inorganic
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- Phenol Odour
- PhenolicOdor
- Potassium- K
- Sld Sus@105C
- Temp Water
- Type of Flow
- WethPresPrec
- Zinc - as Zn
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 218 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 6 Mar 2023 to 26 Mar 2024
| Notation | Determinand | Units | 6 Mar 2023 13:19 | 18 May 2023 13:52 | 14 Jun 2023 13:38 | 26 Sep 2023 11:53 | 19 Oct 2023 12:00 | 16 Nov 2023 12:00 | 12 Dec 2023 11:27 | 23 Jan 2024 13:21 | 26 Feb 2024 13:12 | 26 Mar 2024 10:49 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.92 | 7.84 | 9.1 | 7.87 | 7.75 | 7.44 | 7.65 | 7.88 | 7.68 | 7.75 | |
| 0076 | Temperature of Water | °C | 7.2 | 13.9 | 21.6 | 15.4 | 13.8 | 10.4 | 10.8 | 9.3 | 8.8 | 9.3 |
| 0077 | Conductivity at 25 C | μs/cm | 282 | 283 | 313 | 268 | 263 | 236 | 270 | 281 | 266 | 245 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | < 0.03 | 0.046 | < 0.03 | < 0.03 | 0.031 | 0.042 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 3.6 | 3.4 | 3.9 | 2.8 | 3.1 | 3.8 | 3.1 | 3.4 | 2.9 | |
| 0117 | Nitrate as N | mg/l | 3.59 | 3.4 | 3.89 | 2.8 | 3.09 | 3.79 | 3.09 | 3.39 | 2.89 | |
| 0118 | Nitrite as N | mg/l | 0.012 | < 0.004 | 0.014 | < 0.004 | 0.0094 | 0.008 | 0.014 | 0.0068 | 0.0097 | |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00037 | < 0.00051 | < 0.00127 | < 0.00061 | 0.00024 | < 0.00026 | < 0.0004 | 0.00025 | 0.00041 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 41 | 38 | 52 | 53 | 41 | 44 | 44 | 41 | 44 | |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.1 | 0.066 | 0.2 | 0.2 | 0.056 | 0.036 | 0.032 | 0.047 | ||
| 9901 | Oxygen, Dissolved, % Saturation | % | 98.5 | 105.5 | 120.4 | 101.2 | 101.3 | 98.4 | 99.4 | 99.7 | 99.4 | 100.9 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 11.9 | 10.9 | 10.6 | 10.1 | 10.5 | 11 | 11 | 11.4 | 11.5 | 11.6 |