sampling point
River Gannel At Trerice Mill
| Description | RIVER GANNEL AT TRERICE MILL |
|---|---|
| Sampling point ID | SW-82410255 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 183700 59350 lat lon: 50.394141, -5.044598 |
| Area | Devon And Cornwall |
| Sub-Area | West Devon And Cornwall |
| Summary | 77 samples taken between 2023 and 2001 |
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.
34 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- C - Org Filt
- Ca Filtered
- Cadmium - Cd
- Cd Filtered
- Chloride Ion
- Colfm PMF10
- ColfmF MF10
- Cond @ 25C
- Copper - Cu
- Cu Filtered
- Fe- Filt
- Lead - as Pb
- Mg Filtered
- N Oxidised
- NATGRIDREF
- NH3 un-ion
- Ni- Filtered
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Pb Filtered
- Sld Sus@105C
- StrepF PMF
- Temp Water
- TurbidityNTU
- Zinc - as Zn
- Zn- Filtered
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 77 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 9 May 2018 to 9 Mar 2023
| Notation | Determinand | Units | 9 May 2018 13:26 | 11 Aug 2021 14:24 | 29 Oct 2021 13:13 | 30 Nov 2021 14:27 | 25 Jan 2022 16:34 | 31 Jan 2022 14:35 | 10 Feb 2022 14:55 | 23 Mar 2022 12:37 | 29 Mar 2022 12:57 | 9 Mar 2023 15:30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0050 | Lead | μg/l | < 2 | 4.8 | < 2 | < 2 | < 2 | < 2 | < 2 | < 2 | ||
| 0052 | Lead, Dissolved | μg/l | < 2 | < 2 | < 2 | < 2 | < 2 | < 2 | < 2 | < 2 | ||
| 0061 | pH | 7.71 | 8.02 | 7.2 | 7.52 | 7.93 | 7.57 | 7.41 | 7.67 | 7.64 | ||
| 0076 | Temperature of Water | °C | 11.6 | 16.1 | 12.9 | 10.6 | 8.9 | 8.8 | 9.2 | 11.8 | 11.1 | |
| 0077 | Conductivity at 25 C | μs/cm | 316 | 329 | 208 | 298 | 288 | 294 | 287 | 294 | 291 | |
| 0085 | BOD : 5 Day ATU | mg/l | 1.2 | |||||||||
| 0106 | Cadmium, Dissolved | μg/l | < 0.1 | < 0.1 | < 0.1 | < 0.1 | < 0.1 | < 0.1 | < 0.1 | < 0.1 | ||
| 0108 | Cadmium | μg/l | < 0.1 | 0.18 | < 0.1 | < 0.1 | < 0.1 | < 0.1 | < 0.1 | < 0.1 | ||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.038 | < 0.03 | ||||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 5.3 | 4.1 | ||||||||
| 0117 | Nitrate as N | mg/l | 5.29 | |||||||||
| 0118 | Nitrite as N | mg/l | 0.0121 | |||||||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.0004 | |||||||||
| 0135 | Solids, Suspended at 105 C | mg/l | < 3 | 44 | 44 | 6.8 | 11 | < 3 | 3.1 | 3.6 | 180 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 64 | |||||||||
| 0172 | Chloride | mg/l | 170 | |||||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.076 | 0.027 | ||||||||
| 0235 | Magnesium, Dissolved | mg/l | 7.9 | 4.4 | 7.8 | 7.5 | 7.8 | 7.8 | 7.6 | 7.8 | ||
| 0239 | Calcium, Dissolved | mg/l | 24 | 15 | 23 | 23 | 22 | 22 | 23 | 23 | ||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 3.1 | 16 | 3.7 | 5.4 | 2.4 | 3.4 | 2 | 2.3 | ||
| 3408 | Zinc, Dissolved | μg/l | 8.3 | 21 | 13 | 12 | 9.6 | 13 | 9.1 | 7.5 | ||
| 3410 | Nickel, Dissolved | μg/l | 2.1 | 6.6 | 3.4 | 2.9 | 2.8 | 3.7 | 2.3 | 2.4 | ||
| 6396 | Turbidity | ntu | 66 | |||||||||
| 6450 | Copper, Dissolved | μg/l | 2.7 | 12 | 4.9 | 2.3 | 2.4 | 3.4 | 1.8 | 1.8 | ||
| 6452 | Copper | μg/l | 2.8 | 18 | 4 | 3 | 2.9 | 4.2 | 2.2 | 1.9 | ||
| 6455 | Zinc | μg/l | 14 | 54 | 20 | 17 | 15 | 18 | 11 | 8.5 | ||
| 6460 | Iron, Dissolved | μg/l | 230 | 450 | 160 | 120 | 160 | 240 | 120 | 130 | ||
| 6462 | Nickel | μg/l | 2.2 | 9.1 | 4.4 | 3.3 | 3.5 | 3.9 | 2.5 | 2.3 | ||
| 7434 | National Grid Reference : Whole : Field report | 1 | ||||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 99.5 | 94.7 | 97.4 | 98.4 | 93 | 98.7 | 99 | 108 | 100.9 | |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.8 |