sampling point
Long Brook U/S Marsh Mills Stw
| Description | LONG BROOK U/S MARSH MILLS STW |
|---|---|
| Sampling point ID | SW-81110335 |
| Type | Freshwater – Rivers |
| Status | closed |
| Location |
easting northing: 252514 56343 lat lon: 50.388426, -4.076066 |
| Area | Devon And Cornwall |
| Sub-Area | Central Devon And Cornwall |
| Summary | 47 samples taken between 2016 and 2010 |
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.
21 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- ColformsPre
- Cond @ 25C
- E.coli C-MF
- F Coli Pre
- IE Conf
- IE Pres
- N Oxidised
- NATGRIDREF
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- StrepF PMF
- Temp Water
- Weth7Dy-Prec
- WethPresPrec
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 47 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 24 Sep 2014 to 14 Dec 2016
Samples from 20 Nov 2013 to 1 Sep 2014
| Notation | Determinand | Units | 20 Nov 2013 12:09 | 25 Nov 2013 12:50 | 16 Jan 2014 12:30 | 13 Feb 2014 13:59 | 13 Mar 2014 10:57 | 6 Jun 2014 13:53 | 2 Jul 2014 15:00 | 31 Jul 2014 13:12 | 28 Aug 2014 09:45 | 1 Sep 2014 10:49 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.6 | 7.48 | 7.5 | 7.8 | 8.1 | 7.6 | |||||
| 0076 | Temperature of Water | °C | 10.4 | 10.2 | 9.4 | 9.5 | 15.4 | 14.9 | ||||
| 0077 | Conductivity at 25 C | μs/cm | 608 | 472 | 265 | 467 | 512 | 495 | ||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.123 | 0.1 | 0.053 | 0.105 | 0.128 | 0.135 | ||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 2.95 | 3.25 | 3.29 | 2.97 | 2.88 | 2.87 | ||||
| 0117 | Nitrate as N | mg/l | 2.94 | 3.24 | 3.29 | 2.97 | 2.86 | 2.83 | ||||
| 0118 | Nitrite as N | mg/l | 0.0104 | 0.0087 | 0.0044 | 0.0046 | 0.0188 | 0.0402 | ||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00093 | 0.00057 | 0.0003 | 0.00117 | 0.00346 | 0.00142 | ||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 176 | 169 | 163 | 192 | 190 | 185 | ||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.044 | 0.043 | 0.044 | 0.046 | 0.058 | 0.06 | ||||
| 1183 | Weather : Precipitation | 1 | 1 | 3 | ||||||||
| 2348 | Escherichia coli : Confirmed : MF | no/100ml | 7600 | 909 | 909 | 3300 | ||||||
| 3722 | Enterococci: Intestinal: Presumptive: MF | cfu/0.1l | 310 | 440 | 910 | 760 | ||||||
| 3723 | Enterococci: Intestinal: Confirmed: MF | cfu/0.1l | 440 | 910 | 760 | |||||||
| 6529 | Weather : Precipitation : Past 7 days | 3 | ||||||||||
| 7434 | National Grid Reference : Whole : Field report | 1 | ||||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 92.6 | 94.5 | 96.5 | 100.4 | 100.3 | 100 | ||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.3 | 10.6 | 11 | 11.4 | 10 | 10.1 |