sampling point
West Okement At Meldon Res Surface
| Description | WEST OKEMENT RIVER AT MELDON RESERVOIR SURFACE - ADDITIONAL HISTORIC DATA ON URN R29D053 |
|---|---|
| Sampling point ID | SW-72940429 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 256280 91601 lat lon: 50.706232, -4.036737 |
| Area | Devon And Cornwall |
| Sub-Area | East Devon And Cornwall |
| Summary | 249 samples taken between 2023 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.
39 determinands have been measured at this site
- Action taken
- Alk-Gran
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- C - Org Filt
- CHLOROPHYLL
- Ca Filtered
- Calcium - Ca
- Colour Filt
- Cond @ 20C
- Cond @ 25C
- Cu Filtered
- Hardness
- Hdnss Ca
- Hdnss Mg
- Magnesium-Mg
- Mg Filtered
- Mineral Oils
- N Oxid Filt
- N Oxidised
- NH3 un-ion
- Ni- Filtered
- Nitrate-N
- Nitrite-N
- Nitrogen - N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- OrthophsFilt
- Oxygen Diss
- Phenol Odour
- PhenolicOdor
- Phosphorus-P
- Sld Sus@105C
- Temp Water
- Type of Flow
- Zinc - as Zn
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 249 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 28 Jun 2022 to 15 Mar 2023
| Notation | Determinand | Units | 28 Jun 2022 09:46 | 13 Jul 2022 08:29 | 4 Aug 2022 08:08 | 15 Sep 2022 13:52 | 7 Oct 2022 08:18 | 10 Nov 2022 08:26 | 8 Dec 2022 07:58 | 9 Jan 2023 10:33 | 2 Feb 2023 09:53 | 15 Mar 2023 10:52 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7887 | Chlorophyll : Acetone Extract | μg/l | 3.2 | 36 | 27 | 2.7 | 1.8 | 1.3 | 0.54 | 0.6 | < 0.5 | 0.79 |
Samples from 5 Jul 2019 to 10 Jun 2022
| Notation | Determinand | Units | 5 Jul 2019 10:43 | 6 Aug 2019 12:54 | 17 Sep 2019 11:15 | 14 Oct 2019 11:29 | 14 Nov 2019 08:41 | 2 Dec 2019 08:35 | 15 Jan 2020 12:23 | 3 Feb 2020 09:25 | 2 Mar 2020 08:20 | 10 Jun 2022 07:33 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 22 | 45 | 24 | |||||||
| 0077 | Conductivity at 25 C | μs/cm | 38 | 35 | 43 | |||||||
| 0135 | Solids, Suspended at 105 C | mg/l | < 3 | 3.4 | < 3 | < 3 | < 3 | < 3 | < 3 | < 3 | ||
| 0239 | Calcium, Dissolved | mg/l | < 1 | 1.6 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | ||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 3.6 | 3.2 | 4.7 | 6 | 4.61 | 4.1 | 3.2 | 2.9 | 2.7 | |
| 0348 | Phosphorus, Total as P | mg/l | 0.0084 | 0.0076 | 0.006 | |||||||
| 3410 | Nickel, Dissolved | μg/l | < 0.5 | 0.67 | 0.81 | 0.52 | 2.9 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | |
| 6450 | Copper, Dissolved | μg/l | 0.86 | 1 | 1.3 | 1.2 | 1.2 | 0.92 | 0.74 | 0.76 | 0.98 | |
| 6455 | Zinc | μg/l | < 5 | < 5 | < 5 | 7.6 | 8.9 | 7.8 | 9 | 5.9 | 7.7 | |
| 7610 | Alkalinity to pH 4.5 : Grans Plot | mg/l | 1.8 | 1.1 | 0.29 | |||||||
| 7887 | Chlorophyll : Acetone Extract | μg/l | 17 | 0.91 | 0.66 | 18 | ||||||
| 9686 | Nitrogen, Total as N | mg/l | 0.36 | 0.45 | 0.36 | |||||||
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0014 | 0.0016 | < 0.001 | |||||||
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.028 | 0.077 | 0.19 |