sampling point
East Looe River D/S Liskeard Stw
| Description | EAST LOOE RIVER BELOW LISKEARD STW |
|---|---|
| Sampling point ID | SW-81420269 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 224226 62818 lat lon: 50.438822, -4.47667 |
| Area | Devon And Cornwall |
| Sub-Area | West Devon And Cornwall |
| Summary | 355 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.
50 determinands have been measured at this site
- Action taken
- Al- Filtered
- Alky pH 4.5
- Aluminium-Al
- Ammonia(N)
- B. globigii
- BOD ATU
- C - Org Filt
- CHLOROPHYLL
- COD as O2
- Ca Filtered
- Calcium - Ca
- Chloride Ion
- Chlorophyl-A
- Colfm PMF10
- ColfmF MF10
- ColformsPre
- Cond @ 20C
- Cond @ 25C
- Cu Filtered
- E.coli C-MF
- F Coli Pre
- Fe- Filt
- Hardness
- Hdnss Ca
- Hdnss Mg
- IE Pres
- MST Filter
- Magnesium-Mg
- Mg Filtered
- Mn BLM Bio
- Mn- Filtered
- N Inorganic
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Potassium- K
- SiO2 Rv
- Sld Sus@105C
- StrepF PMF
- Temp Water
- Type of Flow
- WethPresPrec
- Zinc - as Zn
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 355 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 1 Apr 2019 to 5 Jul 2024
| Notation | Determinand | Units | 1 Apr 2019 11:05 | 5 Jul 2019 15:25 | 7 Oct 2019 15:11 | 7 Jan 2020 14:16 | 10 Jul 2023 12:13 | 11 Oct 2023 11:12 | 8 Jan 2024 13:22 | 14 Feb 2024 12:49 | 8 Apr 2024 10:14 | 5 Jul 2024 09:23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.74 | 7.82 | 7.5 | 7.48 | 7.35 | 7.41 | 7.58 | 7.37 | 7.5 | 7.54 | |
| 0235 | Magnesium, Dissolved | mg/l | 5.56 | 6 | 4.6 | 5.5 | 6.9 | 6 | 4.9 | 4.8 | 5.5 | 5.7 |
| 0239 | Calcium, Dissolved | mg/l | 19.8 | 24 | 17 | 20 | 24 | 22 | 18 | 18 | 23 | 22 |
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 1.71 | 3.6 | 4.3 | 1.3 | 2.6 | 1.9 | 0.83 | 1.6 | 0.77 | 2.9 |
| 6460 | Iron, Dissolved | μg/l | < 30 | 41 | 120 | 37 | < 30 | 45 | < 30 | 40 | < 30 | 71 |
Samples from 24 Apr 2017 to 15 Jan 2019
| Notation | Determinand | Units | 24 Apr 2017 13:28 | 4 May 2017 15:50 | 2 Jun 2017 10:34 | 13 Jul 2017 16:14 | 19 Oct 2017 11:44 | 5 Jan 2018 15:55 | 10 Apr 2018 14:28 | 17 Jul 2018 14:39 | 16 Oct 2018 10:29 | 15 Jan 2019 16:17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.6 | 7.9 | 7.4 | 7.35 | 7.52 | 7.7 | 7.59 | 7.51 | |||
| 0076 | Temperature of Water | °C | 13.3 | 10.1 | 11.2 | |||||||
| 0077 | Conductivity at 25 C | μs/cm | 316 | 226 | 248 | |||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | 0.072 | 0.072 | |||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 7.91 | 7.71 | 10.2 | 6.81 | 8.32 | 4.51 | 5 | |||
| 0117 | Nitrate as N | mg/l | 7.91 | 7.7 | 10.2 | 6.8 | 8.32 | 4.5 | 4.99 | |||
| 0118 | Nitrite as N | mg/l | < 0.004 | 0.0065 | 0.0116 | 0.0059 | < 0.004 | 0.0088 | 0.015 | |||
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00018 | 0.0003 | 0.00048 | |||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 54 | 45 | 50 | |||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.043 | 0.038 | 0.071 | |||||||
| 0235 | Magnesium, Dissolved | mg/l | 6.11 | 6.13 | 6.27 | 5.1 | 5.61 | 6.41 | 5.71 | 5.76 | ||
| 0239 | Calcium, Dissolved | mg/l | 21.1 | 22.1 | 23 | 18.9 | 19.9 | 24.2 | 21.5 | 20.8 | ||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 1.63 | 1.54 | 1.61 | 1.33 | 1.5 | 1.8 | 1.77 | 1.15 | ||
| 6460 | Iron, Dissolved | μg/l | 34.6 | 62.4 | 37.7 | 32.9 | 40 | 60.3 | 40.5 | 33.6 | ||
| 9901 | Oxygen, Dissolved, % Saturation | % | 96.2 | 92.5 | 99.4 | |||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10 | 10.4 | 10.9 |