sampling point
Walsden Water At Todmorden
| Description | WALSDEN WATER AT TODMORDEN |
|---|---|
| Sampling point ID | NE-49500722 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 393501 423938 lat lon: 53.711808, -2.099935 |
| Area | Yorkshire |
| Sub-Area | Aire, Calder, Wharfe |
| Summary | 213 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.
59 determinands have been measured at this site
- Action taken
- Al- Filtered
- Alky pH 4.5
- Aluminium-Al
- Ammonia(N)
- BOD ATU
- C - Org Filt
- Ca Filtered
- Cadmium - Cd
- Calcium - Ca
- Cd Filtered
- Chloride Ion
- Chromium -Cr
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cr- Filtered
- Cu BLM Bio
- Cu Filtered
- Fe- Filt
- Hardness
- Iron - as Fe
- Lead - as Pb
- Liqcolour-mn
- Liqcolour-se
- Liqcolour-st
- Magnesium-Mg
- Mn BLM Bio
- Mn- Filtered
- N Oxidised
- NH3 un-ion
- Ni BLM Bio
- Ni- Filtered
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Obs Flow ROC
- Oil & Grs Vs
- Oil PRES/NF
- Orthophospht
- Oxygen Diss
- Pb BLM Bio
- Pb Filtered
- Phenol Odour
- Sample Depth
- Sld Sus@105C
- Solid quanty
- Temp Water
- Type of Flow
- Water Depth
- Weth7Dy-Prec
- Weth7Dy-Temp
- WethPresPrec
- WethPresTemp
- Zinc - as Zn
- Zn BLM Bio
- Zn- Filtered
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 213 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 20 Mar 2017 to 14 Dec 2017
| Notation | Determinand | Units | 20 Mar 2017 13:08 | 24 Apr 2017 14:14 | 22 Jun 2017 15:13 | 28 Jun 2017 13:15 | 25 Jul 2017 14:09 | 22 Aug 2017 14:05 | 25 Sep 2017 14:08 | 5 Oct 2017 12:59 | 15 Nov 2017 14:16 | 14 Dec 2017 09:49 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.25 | 8.2 | 7.95 | 7.49 | |||||||
| 0076 | Temperature of Water | °C | 8.1 | 10.4 | 15.2 | 12.4 | ||||||
| 0077 | Conductivity at 25 C | μs/cm | 67 | 251 | 229 | 142 | ||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.0258 | |||||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 0.331 | 0.38 | 0.51 | |||||||
| 0117 | Nitrate as N | mg/l | 0.33 | 0.376 | 0.506 | |||||||
| 0118 | Nitrite as N | mg/l | 0.00108 | < 0.004 | < 0.004 | |||||||
| 0119 | Ammonia un-ionised as N | mg/l | 7.0e-05 | |||||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 11 | |||||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.0158 | |||||||||
| 6460 | Iron, Dissolved | μg/l | 398 | 227 | 237 | 364 | 386 | 403 | 347 | 1000 | 476 | 347 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 101.6 | 101.7 | 95.2 | 97.8 | ||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 12 | 11.3 | 9.53 | 10.4 |
Samples from 18 May 2016 to 21 Feb 2017
| Notation | Determinand | Units | 18 May 2016 16:32 | 15 Jun 2016 15:44 | 6 Jul 2016 14:36 | 25 Aug 2016 12:07 | 30 Sep 2016 13:54 | 28 Oct 2016 12:52 | 23 Nov 2016 12:02 | 8 Dec 2016 14:08 | 18 Jan 2017 13:30 | 21 Feb 2017 12:05 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.79 | 7.97 | 8.47 | 7.66 | 7.8 | 7.51 | 7.44 | 7.67 | 7.72 | 7.79 | |
| 0076 | Temperature of Water | °C | 12.3 | 13.6 | 13.1 | 14.7 | 11.6 | 11 | 6.6 | 9.3 | 6.4 | 7.1 |
| 0077 | Conductivity at 25 C | μs/cm | 406 | 197 | 224 | 169 | 137 | 134 | 101 | 91 | 129 | 147 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.0213 | 0.0159 | 0.013 | |||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 0.347 | 0.39 | 0.42 | 0.494 | 0.41 | 0.44 | 0.478 | 0.34 | 0.52 | 0.53 |
| 0117 | Nitrate as N | mg/l | 0.344 | 0.386 | 0.414 | 0.491 | 0.406 | 0.436 | 0.476 | 0.336 | 0.516 | 0.526 |
| 0118 | Nitrite as N | mg/l | 0.00325 | < 0.004 | 0.0062 | 0.00297 | < 0.004 | < 0.004 | 0.00157 | < 0.004 | < 0.004 | < 0.004 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00046 | 0.00019 | 5.0e-05 | |||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 34 | 28 | 14 | |||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.0077 | 0.0145 | 0.0113 | |||||||
| 6460 | Iron, Dissolved | μg/l | 205 | 2920 | 264 | 423 | 589 | 614 | 406 | 546 | 429 | 385 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 103.9 | 99.5 | 102.5 | 98.5 | 97.2 | 95.3 | 101.7 | 92.4 | 97.7 | 95.3 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 11.1 | 10.3 | 10.8 | 9.97 | 10.5 | 10.5 | 12.5 | 10.6 | 12 | 11.5 |