sampling point
Bollin At Hall Lane (Gurnett) Bridge
Description | RIVER BOLLIN AT HALL LANE (GURNETT) BRIDGE UPSTREAM OF MACCLESFIELD CANAL |
---|---|
Sampling point ID | NW-88002524 |
Type | Freshwater – Rivers |
Status | closed |
Location |
easting northing: 392681 371631 lat lon: 53.241641, -2.11112 |
Area | Greater Manchester Merseyside And Cheshire |
Sub-Area | Manchester |
Summary | 181 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.
32 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Calcium - Ca
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- Cu Filtered
- Hardness
- Magnesium-Mg
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- OMR Smpl Num
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- Phenol Odour
- PhenolicOdor
- Sld NV@500C
- Sld Sus@105C
- Temp Water
- Weth-Visibty
- Weth7Dy-Prec
- Weth7Dy-Temp
- Weth7Dy-Vsy
- WethPresPrec
- WethPresTemp
- Zinc - as Zn
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 181 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 13 Mar 2015 to 14 Feb 2017
Notation | Determinand | Units | 13 Mar 2015 14:58 | 22 Jun 2015 13:38 | 27 Jul 2015 13:25 | 25 Sep 2015 12:35 | 25 Nov 2015 14:06 | 13 Jan 2016 13:39 | 1 Apr 2016 12:39 | 14 Jul 2016 13:02 | 12 Oct 2016 13:56 | 14 Feb 2017 14:07 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
0061 | pH | 7.8 | 7.95 | 8.14 | 7.86 | 7.72 | 7.94 | 7.94 | 8.08 | 7.97 | ||
0076 | Temperature of Water | °C | 5.4 | 12.1 | 11.5 | 8 | 5.6 | 6.8 | 14.6 | 10.9 | 4.9 | |
0077 | Conductivity at 25 C | μs/cm | 294 | 276 | 301 | 215 | 188 | 221 | 194 | 287 | 250 | |
0111 | Ammoniacal Nitrogen as N | mg/l | 0.072 | < 0.03 | < 0.03 | 0.042 | 0.036 | 0.045 | < 0.03 | < 0.03 | 0.044 | |
0116 | Nitrogen, Total Oxidised as N | mg/l | 1.47 | 1.17 | 0.81 | 1.65 | 1.83 | 1.64 | 1.01 | 1.05 | 1.76 | |
0117 | Nitrate as N | mg/l | 1.46 | 1.15 | 0.805 | 1.64 | 1.82 | 1.63 | 1 | 1.04 | 1.75 | |
0118 | Nitrite as N | mg/l | 0.0108 | 0.0169 | 0.0049 | 0.0067 | 0.007 | 0.0058 | 0.0073 | 0.0149 | 0.0077 | |
0119 | Ammonia un-ionised as N | mg/l | 0.00059 | < 0.00061 | 0.00048 | 0.00025 | 0.00057 | < 0.00067 | < 0.00058 | 0.00052 | ||
0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 57 | 94 | 97 | 54 | 38 | 54 | 55 | 95 | 69 | |
0180 | Orthophosphate, reactive as P | mg/l | 0.033 | 0.041 | 0.043 | 0.032 | 0.031 | 0.017 | 0.019 | 0.037 | 0.022 | |
9901 | Oxygen, Dissolved, % Saturation | % | 97 | 97.4 | 98.6 | 100.9 | 100.2 | 101.3 | 97.9 | 96.7 | 99.8 | |
9924 | Oxygen, Dissolved as O2 | mg/l | 12.2 | 10.4 | 10.7 | 11.9 | 12.6 | 12.3 | 9.93 | 10.7 | 12.8 |