sampling point
West Okement River U/S Meldon Res
| Description | WEST OKEMENT RIVER PRIOR TO MELDON RESERVOIR |
|---|---|
| Sampling point ID | SW-72940404 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 255520 90580 lat lon: 50.696868, -4.047093 |
| Area | Devon And Cornwall |
| Sub-Area | East Devon And Cornwall |
| Summary | 197 samples taken between 2017 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.
35 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- C - Org Filt
- Ca Filtered
- Calcium - Ca
- Cond @ 20C
- Cond @ 25C
- Cu Filtered
- Hardness
- Hdnss Ca
- Hdnss Mg
- Magnesium-Mg
- Mg Filtered
- Mineral Oils
- N Inorganic
- N Oxidised
- NH3 un-ion
- Ni- Filtered
- 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 197 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 5 Jul 2016 to 24 Apr 2017
Samples from 23 Sep 2015 to 14 Jun 2016
| Notation | Determinand | Units | 23 Sep 2015 14:30 | 19 Oct 2015 12:19 | 25 Nov 2015 13:14 | 4 Dec 2015 14:05 | 19 Jan 2016 10:29 | 16 Feb 2016 14:26 | 10 Mar 2016 11:31 | 19 Apr 2016 11:08 | 16 May 2016 11:49 | 14 Jun 2016 10:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 5.27 | 5.4 | 7.91 | ||||||||
| 0076 | Temperature of Water | °C | 8.4 | 4.9 | 15.1 | |||||||
| 0077 | Conductivity at 25 C | μs/cm | 36 | 42 | 55 | |||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.0029 | < 0.002 | 0.0059 | |||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 0.1 | 0.208 | 0.095 | |||||||
| 0117 | Nitrate as N | mg/l | 0.099 | 0.207 | 0.094 | |||||||
| 0118 | Nitrite as N | mg/l | < 0.001 | < 0.001 | < 0.001 | |||||||
| 0119 | Ammonia un-ionised as N | mg/l | < 1.0e-05 | < 1.0e-05 | 0.00013 | |||||||
| 0135 | Solids, Suspended at 105 C | mg/l | < 3 | < 3 | < 3 | < 3 | < 3 | < 3 | < 3 | < 3 | < 3 | < 3 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | < 5 | < 5 | < 5 | |||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.0012 | < 0.001 | < 0.001 | |||||||
| 0239 | Calcium, Dissolved | mg/l | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 |
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 5.07 | 1.31 | 4.97 | 3.77 | 2.3 | 0.9 | 1.75 | 1.13 | 1.72 | 1.91 |
| 3410 | Nickel, Dissolved | μg/l | < 0.5 | 0.797 | < 0.5 | < 0.5 | 4.49 | 2.3 | 2.11 | < 0.5 | < 0.5 | < 0.5 |
| 6450 | Copper, Dissolved | μg/l | 1.04 | 0.353 | 0.862 | 0.683 | 0.738 | 0.606 | 6.05 | 0.295 | 0.676 | 0.845 |
| 6455 | Zinc | μg/l | < 5 | < 5 | < 5 | < 5 | < 5 | < 10 | < 5 | < 5 | < 5 | < 5 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 90.6 | 97.8 | 98.5 | |||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.6 | 12.5 | 9.89 |