sampling point
River Cober D/S Helston Stw
| Description | RIVER COBER BELOW HELSTON STW |
|---|---|
| Sampling point ID | SW-82010139 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 165217 26784 lat lon: 50.094655, -5.28403 |
| Area | Devon And Cornwall |
| Sub-Area | West Devon And Cornwall |
| Summary | 253 samples taken between 2020 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.
45 determinands have been measured at this site
- Action taken
- Al Active
- Al- Filtered
- Alky pH 4.5
- Aluminium-Al
- Ammonia(N)
- BOD ATU
- C - Org Filt
- CHLOR A
- CHLOROPHYLL
- COD as O2
- Ca Filtered
- Calcium - Ca
- Chloride Ion
- Chlorophyl-A
- Cond @ 20C
- Cond @ 25C
- Cu Filtered
- Fe- Filt
- Hardness
- Hdnss Ca
- Hdnss Mg
- 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
- Phosphorus-P
- Potassium- K
- SiO2 Rv
- Sld Sus@105C
- Temp Water
- TurbidityNTU
- Type of Flow
- WethPresPrec
- Zinc - as Zn
- Zn- Filtered
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 253 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 20 May 2019 to 13 Mar 2020
| Notation | Determinand | Units | 20 May 2019 11:25 | 13 Jun 2019 13:13 | 16 Jul 2019 15:01 | 8 Aug 2019 11:31 | 17 Sep 2019 13:49 | 16 Oct 2019 10:42 | 16 Dec 2019 11:50 | 15 Jan 2020 10:40 | 6 Feb 2020 10:41 | 13 Mar 2020 11:45 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.08 | 6.95 | 7.25 | 7.11 | 7.06 | ||||||
| 0076 | Temperature of Water | °C | 12.1 | 12.5 | ||||||||
| 0077 | Conductivity at 25 C | μs/cm | 201 | 224 | ||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | 0.179 | ||||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 4.36 | 5.19 | ||||||||
| 0117 | Nitrate as N | mg/l | 4.36 | 5.18 | ||||||||
| 0118 | Nitrite as N | mg/l | < 0.004 | 0.0138 | ||||||||
| 0119 | Ammonia un-ionised as N | mg/l | < 8.0e-05 | 0.00036 | ||||||||
| 0158 | Hardness, Total as CaCO3 | mg/l | 45.2 | 44.3 | 38.4 | 44.3 | 41.6 | |||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 14 | 25 | ||||||||
| 0180 | Orthophosphate, reactive as P | mg/l | < 0.01 | 0.023 | 0.029 | 0.023 | 0.015 | 0.019 | ||||
| 0235 | Magnesium, Dissolved | mg/l | 4.61 | 4.7 | 4.7 | 3.5 | 4.1 | 3.8 | 4.1 | |||
| 0237 | Magnesium | mg/l | 4.73 | 4.5 | 3.5 | 4.2 | 4.2 | |||||
| 0239 | Calcium, Dissolved | mg/l | 10.5 | 9.7 | 10 | 9.6 | 11 | 9.9 | 9.9 | |||
| 0241 | Calcium | mg/l | 10.6 | 10 | 9.3 | 11 | 10 | |||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 2.2 | 7.2 | 4 | |||||||
| 0348 | Phosphorus, Total as P | mg/l | 0.0244 | 0.0505 | 0.037 | 0.025 | 0.032 | 0.042 | 0.035 | 0.057 | 0.02 | 0.013 |
| 6460 | Iron, Dissolved | μg/l | 130 | 350 | 240 | |||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 98.5 | 95.1 | ||||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.6 | 10.1 |