sampling point
St. Neot River At Colliford Bridge
| Description | ST. NEOT RIVER AT COLLIFORD BRIDGE BELOW COLLIFORD HATCHERY |
|---|---|
| Sampling point ID | SW-81522746 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 218111 70717 lat lon: 50.507923, -4.566536 |
| Area | Devon And Cornwall |
| Sub-Area | West Devon And Cornwall |
| Summary | 139 samples taken between 2022 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.
67 determinands have been measured at this site
- Action taken
- Al- Filtered
- Alky pH 4.5
- Aluminium-Al
- Ammonia(N)
- Arsenic - As
- As-Filtered
- B - Filtered
- BOD ATU
- Ba- Filtered
- Barium - Ba
- Boron - as B
- C - Org Filt
- Ca Filtered
- Cadmium - Cd
- Calcium - Ca
- Cd Filtered
- Chloride Ion
- Chromium -Cr
- Cond @ 25C
- Copper - Cu
- Cr- Filtered
- Cu Filtered
- E.coli C-MF
- Fe- Filt
- Hardness
- Hdnss Ca
- Hdnss Mg
- IE Conf
- IE Pres
- IonicBalance
- Iron - as Fe
- K- Filtered
- Lead - as Pb
- Lithium - Li
- Lithium Filt
- Magnesium-Mg
- Manganse-Mn
- Mg Filtered
- Mn- Filtered
- N Inorganic
- N Oxidised
- NH3 un-ion
- Na- Filtered
- Ni- Filtered
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Pb Filtered
- Potassium- K
- SO4dis
- SiO2 Rv
- Sld Sus@105C
- Sodium - Na
- Strontium-Sr
- StrontumFilt
- Sulphate SO4
- Temp Water
- Type of Flow
- WethPresPrec
- Zinc - as Zn
- Zn- Filtered
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 139 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 10 Jun 2021 to 8 Mar 2022
| Notation | Determinand | Units | 10 Jun 2021 14:54 | 2 Jul 2021 09:23 | 10 Aug 2021 10:31 | 29 Sep 2021 12:32 | 18 Oct 2021 10:31 | 9 Nov 2021 12:07 | 9 Dec 2021 12:12 | 4 Jan 2022 11:30 | 2 Feb 2022 11:40 | 8 Mar 2022 12:27 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.48 | 7.08 | 7.06 | 6.93 | 6.76 | 5.99 | 6.26 | ||||
| 0076 | Temperature of Water | °C | 13.2 | 16.8 | 16.6 | 15.2 | 13.3 | 11.1 | 7.4 | |||
| 0077 | Conductivity at 25 C | μs/cm | 71 | 68 | 70 | 69 | 69 | 75 | 77 | |||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.041 | < 0.03 | < 0.03 | 0.041 | 0.077 | 0.088 | 0.09 | |||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 0.47 | 0.23 | < 0.2 | < 0.2 | < 0.2 | 0.36 | 0.44 | |||
| 0117 | Nitrate as N | mg/l | 0.466 | 0.226 | < 0.196 | < 0.196 | < 0.196 | 0.356 | 0.436 | |||
| 0118 | Nitrite as N | mg/l | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | |||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00029 | < 0.00011 | < 0.0001 | 0.0001 | 0.00011 | 2.0e-05 | 3.0e-05 | |||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 6 | 9 | 11 | 7 | 8 | 9 | 8 | |||
| 0180 | Orthophosphate, reactive as P | mg/l | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | |||
| 2348 | Escherichia coli : Confirmed : MF | no/100ml | 54 | < 10 | 27 | 18 | < 10 | 18 | ||||
| 3722 | Enterococci: Intestinal: Presumptive: MF | cfu/0.1l | 36 | < 10 | < 10 | < 10 | < 10 | < 10 | ||||
| 3723 | Enterococci: Intestinal: Confirmed: MF | cfu/0.1l | 36 | < 10 | < 10 | < 10 | < 10 | < 10 | ||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 98 | 96.6 | 95 | 97.2 | 93.1 | 99.1 | 100.6 | |||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.3 | 9.35 | 9.23 | 9.73 | 9.72 | 10.9 | 12.1 |