sampling point
Crowdy Stream At Crowdy Res Surface
| Description | CROWDY STREAM AT CROWDY RESERVOIR SURFACE - ADDITIONAL HISTORIC DATA ON URN R25B031 |
|---|---|
| Sampling point ID | SW-82522492 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 213966 83335 lat lon: 50.619973, -4.631238 |
| Area | Devon And Cornwall |
| Sub-Area | West Devon And Cornwall |
| Summary | 141 samples taken between 2018 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.
42 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- CHLOROPHYLL
- Ca Filtered
- Calcium - Ca
- ColformsPre
- Colour Filt
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cu Filtered
- F Coli Pre
- Hardness
- Hdnss Ca
- Hdnss Mg
- Magnesium-Mg
- Mg Filtered
- Mineral Oils
- N Oxid Filt
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Nitrate-N
- Nitrite-N
- Nitrogen - N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- OrthophsFilt
- Oxygen Diss
- Phenol Odour
- PhenolicOdor
- Phosphorus-P
- Sld Sus@105C
- StrepF PMF
- Temp Water
- Type of Flow
- Zinc - as Zn
- Zn- Filtered
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 141 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 8 Jan 2016 to 10 Apr 2018
| Notation | Determinand | Units | 8 Jan 2016 12:41 | 13 Apr 2016 15:17 | 19 Jul 2016 10:39 | 21 Oct 2016 14:28 | 10 Jan 2017 14:16 | 27 Apr 2017 11:18 | 7 Jul 2017 11:22 | 9 Nov 2017 13:23 | 12 Jan 2018 12:27 | 10 Apr 2018 12:06 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 22 | 14 | 30 | 42 | 26 | 22 | 31 | 40 | 19 | 14 |
| 0077 | Conductivity at 25 C | μs/cm | 63 | 60 | 58 | 64 | 54 | 53 | 52 | 59 | 57 | 51 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | < 5 | < 5 | < 5 | 6 | < 5 | < 5 | 6 | < 5 | < 5 | < 5 |
| 0348 | Phosphorus, Total as P | mg/l | < 0.01 | 0.01 | 0.0231 | 0.0188 | 0.0113 | < 0.01 | 0.0151 | 0.014 | < 0.01 | < 0.01 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 2 | 13.7 | 9.8 | 2.7 | 4 | 4.9 | 8.9 | 4.1 | 2.6 | 4.4 |
| 9686 | Nitrogen, Total as N | mg/l | 0.49 | 0.35 | 0.55 | 0.61 | 0.46 | 0.34 | 0.36 | 0.56 | 0.46 | 0.38 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0025 | < 0.001 | 0.001 | 0.0045 | 0.0017 | < 0.001 | 0.0019 | 0.0039 | 0.0019 | < 0.001 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.161 | 0.0517 | < 0.005 | 0.146 | 0.149 | 0.0975 | < 0.005 | 0.16 | 0.154 | 0.108 |
Samples from 30 Sep 2011 to 21 Oct 2015
| Notation | Determinand | Units | 30 Sep 2011 13:45 | 9 Jan 2012 11:35 | 17 Jul 2012 13:52 | 29 Aug 2012 13:19 | 27 Sep 2012 13:34 | 31 Oct 2013 11:44 | 31 Oct 2013 11:45 | 16 Apr 2015 14:30 | 22 Jul 2015 15:12 | 21 Oct 2015 15:14 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 39 | 24 | 28 | 41 | 43 | 17 | 34 | 34 | ||
| 0077 | Conductivity at 25 C | μs/cm | 57 | 130 | 47 | 47 | 48 | 58 | 55 | 56 | ||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | < 5 | < 5 | < 5 | < 5 | < 5 | < 5 | < 5 | 6 | ||
| 0348 | Phosphorus, Total as P | mg/l | < 0.02 | < 0.02 | < 0.02 | < 0.02 | 0.0764 | < 0.02 | 0.0139 | 0.0246 | 0.0184 | |
| 3408 | Zinc, Dissolved | μg/l | 6.21 | |||||||||
| 6450 | Copper, Dissolved | μg/l | < 1 | |||||||||
| 6452 | Copper | μg/l | < 1 | |||||||||
| 6455 | Zinc | μg/l | 9.09 | |||||||||
| 7887 | Chlorophyll : Acetone Extract | μg/l | 10.6 | 3.8 | 13.1 | 11.4 | 9.8 | 7 | 24.8 | 17.2 | ||
| 9686 | Nitrogen, Total as N | mg/l | 0.42 | 0.38 | 0.31 | 0.41 | 0.62 | 0.39 | 0.49 | 0.55 | ||
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0014 | 0.0065 | 0.0025 | |||||||
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.0705 | 0.143 | < 0.005 | 0.0194 | 0.0166 | 0.0975 | < 0.005 | 0.0074 |