sampling point
Rookery Bk D/S Northwich Rd Bridge
| Description | ROOKERY BROOK DOWNSTREAM OF NORTHWICH ROAD BRIDGE |
|---|---|
| Sampling point ID | NW-88022598 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 361398 356856 lat lon: 53.107477, -2.578066 |
| Area | Greater Manchester Merseyside And Cheshire |
| Sub-Area | Cheshire |
| Summary | 80 samples taken between 2017 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.
12 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- Cond @ 25C
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Temp Water
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 80 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 21 Apr 2016 to 22 Mar 2017
Samples from 27 May 2015 to 18 Mar 2016
| Notation | Determinand | Units | 27 May 2015 10:01 | 11 Jun 2015 11:13 | 21 Jul 2015 13:16 | 13 Aug 2015 14:07 | 1 Oct 2015 13:30 | 15 Oct 2015 12:13 | 17 Nov 2015 14:03 | 1 Dec 2015 11:07 | 11 Feb 2016 14:15 | 18 Mar 2016 10:37 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.96 | 8.24 | 7.76 | 7.6 | 7.66 | 7.81 | 7.73 | 7.73 | 7.81 | 7.97 | |
| 0076 | Temperature of Water | °C | 10.4 | 13.2 | 15.4 | 14.5 | 10.3 | 7.8 | 10 | 7.7 | 5.6 | 5 |
| 0077 | Conductivity at 25 C | μs/cm | 2025 | 2808 | 2029 | 2516 | 1882 | 1930 | 1319 | 947 | 837 | 1203 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 1.97 | 0.044 | 0.5 | 4.03 | 0.953 | 0.63 | 1.24 | 0.813 | 0.358 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 2.74 | 5.46 | 2.53 | 0.68 | 3.44 | 4.24 | 4.32 | 5.61 | 6.55 | |
| 0117 | Nitrate as N | mg/l | 2.12 | 5.41 | 2.22 | 0.519 | 3.24 | 4.05 | 4.04 | 5.54 | 6.46 | |
| 0118 | Nitrite as N | mg/l | 0.617 | 0.0495 | 0.312 | 0.161 | 0.201 | 0.192 | 0.278 | 0.0656 | 0.0899 | |
| 0119 | Ammonia un-ionised as N | mg/l | 0.0338 | 0.00101 | 0.00787 | 0.0413 | 0.0082 | 0.00635 | 0.0122 | 0.00696 | 0.00422 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 327 | 227 | 277 | 336 | 283 | 260 | 266 | 224 | 256 | |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.585 | 0.38 | 0.881 | 2.75 | 0.623 | 0.556 | 0.599 | 0.291 | 0.274 | |
| 9901 | Oxygen, Dissolved, % Saturation | % | 32.4 | 102.5 | 41.5 | 28.1 | 50.6 | 44.2 | 47.9 | 64 | 84.1 | 102.1 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 3.62 | 10.7 | 4.14 | 2.86 | 5.66 | 5.25 | 5.4 | 7.62 | 10.6 | 13 |