sampling point
Wharfe At Bolton Bridge
| Description | WHARFE AT BOLTON BRIDGE |
|---|---|
| Sampling point ID | NE-49700239 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 407174 452811 lat lon: 53.971308, -1.892115 |
| Area | Yorkshire |
| Sub-Area | Aire, Calder, Wharfe |
| Summary | 418 samples taken between 2024 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.
72 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Bac Ruminant
- BacHF183
- BactHumanCN
- BactRumnt CN
- C - Org Filt
- CHLOROPHYLL
- COD as O2
- Ca Filtered
- Calcium - Ca
- Cd Filtered
- Chloride Ion
- Colour
- Cond @ 20C
- Cond @ 25C
- Cr- Filtered
- Cu BLM Bio
- Cu Filtered
- E.coli C-MF
- Fe- Filt
- Hardness
- Hg Filtered
- IE Conf
- IE Pres
- Liqcolour-mn
- Liqcolour-se
- Liqcolour-st
- MST Filter
- MST Report
- Magnesium-Mg
- Mg Filtered
- Mn BLM Bio
- Mn- Filtered
- N Oxidised
- NATGRIDREF
- NH3 un-ion
- Ni BLM Bio
- Ni- Filtered
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Obs Flow ROC
- Oil & Grs Vs
- Orthophospht
- OrthophsFilt
- Oxygen Diss
- Pb BLM Bio
- Pb Filtered
- Phenol Odour
- Phosphorus-P
- Potassium- K
- Prep: DNA
- SALinsitu
- SiO2 Rv
- Sld Sus@105C
- Solid quanty
- Sulphate SO4
- Temp Water
- TurbidityNTU
- Type of Flow
- Vol Filtered
- 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 418 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 15 Sep 2023 to 9 Feb 2024
| Notation | Determinand | Units | 15 Sep 2023 13:13 | 18 Sep 2023 14:46 | 20 Sep 2023 12:08 | 25 Sep 2023 13:28 | 2 Oct 2023 13:12 | 9 Nov 2023 14:09 | 24 Nov 2023 12:08 | 19 Dec 2023 13:19 | 12 Jan 2024 12:52 | 9 Feb 2024 12:16 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0052 | Lead, Dissolved | μg/l | 2.3 | 3.1 | 2.4 | 1.9 | 2.7 | 1.4 | 1.6 | |||
| 0061 | pH | 8.43 | 8.4 | 8.1 | 8.34 | 8.3 | 8.2 | 8.05 | 8.1 | 8.3 | 8.1 | |
| 0076 | Temperature of Water | °C | 15.4 | 14.9 | 13.3 | 13 | 12.5 | 8.5 | 8.1 | 8 | 6 | 5 |
| 0077 | Conductivity at 25 C | μs/cm | 269 | 232 | 203 | 269 | 237 | 221 | 223 | 190 | 287 | 267 |
| 0103 | Mercury, Dissolved | μg/l | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | |||
| 0106 | Cadmium, Dissolved | μg/l | 0.044 | 0.069 | 0.079 | 0.064 | 0.079 | 0.08 | 0.084 | |||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.002 | < 0.03 | < 0.03 | 0.0049 | 0.0035 | 0.027 | < 0.002 | 0.0044 | 0.021 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 0.51 | 0.54 | 0.49 | 0.6 | 0.49 | 0.53 | 0.99 | 0.66 | 1.1 | 1 |
| 0117 | Nitrate as N | mg/l | 0.506 | 0.538 | 0.486 | 0.596 | 0.489 | 0.529 | 0.984 | 0.659 | 1.1 | 0.997 |
| 0118 | Nitrite as N | mg/l | < 0.004 | 0.0016 | < 0.004 | < 0.004 | < 0.001 | < 0.001 | 0.0056 | < 0.001 | 0.0011 | 0.0028 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00081 | < 5.0e-05 | < 0.0007 | < 0.00068 | 0.00011 | 6.0e-05 | 0.00043 | < 3.0e-05 | 6.0e-05 | 0.00027 |
| 0135 | Solids, Suspended at 105 C | mg/l | 3.4 | 5.1 | 4.1 | < 3 | < 3 | < 3 | 6.4 | |||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 120 | 120 | 97 | 130 | 120 | 110 | 93 | 87 | 120 | 110 |
| 0180 | Orthophosphate, reactive as P | mg/l | < 0.01 | 0.0046 | 0.011 | < 0.01 | 0.0057 | 0.0067 | 0.02 | 0.0067 | 0.01 | 0.016 |
| 0235 | Magnesium, Dissolved | mg/l | 3 | 2.1 | 1.8 | 2.7 | 1.5 | 3.2 | 2.5 | |||
| 0239 | Calcium, Dissolved | mg/l | 39 | 44 | 41 | 37 | 33 | 50 | 42 | |||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 10 | 9 | 7.3 | 7.7 | 6.6 | 3 | 3.8 | |||
| 2348 | Escherichia coli : Confirmed : MF | no/100ml | 1100 | 5000 | 1000 | |||||||
| 3377 | Lead : BLM Bioavailable | μg/l | 0.23 | 0.34 | 0.33 | 0.25 | 0.41 | 0.47 | 0.42 | |||
| 3408 | Zinc, Dissolved | μg/l | 11 | 16 | 12 | 13 | 12 | 14 | 13 | |||
| 3409 | Chromium, Dissolved | μg/l | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | |||
| 3410 | Nickel, Dissolved | μg/l | 1.1 | 1.1 | 0.87 | 1.3 | 0.76 | 0.61 | 0.75 | |||
| 3722 | Enterococci: Intestinal: Presumptive: MF | cfu/0.1l | 590 | 1100 | 540 | |||||||
| 3723 | Enterococci: Intestinal: Confirmed: MF | cfu/0.1l | 590 | 1100 | 540 | |||||||
| 3819 | Bacteroidetes Marker : Ruminant copy number | lgn/0.1l | 5.5 | |||||||||
| 3820 | Bacteroidetes Marker : Human copy number | lgn/0.1l | 3 | |||||||||
| 3878 | Nickel : BLM Bioavailable | μg/l | 0.59 | 0.52 | 0.4 | 0.5 | 0.34 | 0.43 | 0.42 | |||
| 4820 | Manganese : BLM Bioavailable | μg/l | 5 | 5 | 5 | 12 | 5 | 5 | 5 | |||
| 4821 | Copper : BLM Bioavailable | μg/l | 0.1 | 0.11 | 0.06 | 0.07 | 0.05 | 0.11 | 0.09 | |||
| 4822 | Zinc : BLM Bioavailable | μg/l | 2.5 | 3.9 | 3.5 | 3.6 | 3.8 | 7.2 | 5.9 | |||
| 4865 | Volume of Sample Filtered | ml | 950 | 410 | 1000 | |||||||
| 4876 | Microbial Source Tracking | text | 1 | |||||||||
| 4906 | Bacteroidetes Marker : Ruminant | 1 | ||||||||||
| 4926 | MST Filtration | 2 | 2 | 2 | ||||||||
| 5886 | Bacteroides HF183 primer | 1 | ||||||||||
| 5923 | Preparation: DNA | 1 | ||||||||||
| 6396 | Turbidity | ntu | 1.5 | 2.5 | 3 | 4.1 | 3.5 | 1.3 | 2.6 | |||
| 6450 | Copper, Dissolved | μg/l | 1.7 | 2.1 | 1.2 | 1.7 | 0.98 | 0.59 | 0.93 | |||
| 6458 | Manganese, Dissolved | μg/l | < 10 | < 10 | < 10 | 12 | < 10 | < 10 | < 10 | |||
| 6460 | Iron, Dissolved | μg/l | 320 | 280 | 250 | 240 | 210 | 110 | 120 | |||
| 7887 | Chlorophyll : Acetone Extract | μg/l | 6.5 | 1.4 | 1.1 | 1 | 0.53 | < 0.5 | 0.52 | |||
| 9901 | Oxygen, Dissolved, % Saturation | % | 105.9 | 108.1 | 104.2 | 104.7 | 104 | 104.4 | 101.6 | 101.6 | 103 | 103.9 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.6 | 10.9 | 10.9 | 11 | 11.1 | 12.2 | 12 | 12 | 12.8 | 13.3 |
Samples from 18 Jul 2023 to 5 Sep 2023
| Notation | Determinand | Units | 18 Jul 2023 12:42 | 29 Jul 2023 11:10 | 1 Aug 2023 11:55 | 3 Aug 2023 12:15 | 7 Aug 2023 12:39 | 8 Aug 2023 12:44 | 18 Aug 2023 12:44 | 23 Aug 2023 12:34 | 4 Sep 2023 13:03 | 5 Sep 2023 12:49 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0052 | Lead, Dissolved | μg/l | 3.9 | |||||||||
| 0061 | pH | 8.31 | 8.32 | 8.1 | 8.11 | 8.53 | 8.45 | 8.47 | 8.46 | |||
| 0076 | Temperature of Water | °C | 13.7 | 14.7 | 12.4 | 12.5 | 14.7 | 14.5 | 16.2 | 16.5 | ||
| 0077 | Conductivity at 25 C | μs/cm | 223 | 239 | 196 | 198 | 295 | 298 | 265 | 257 | ||
| 0103 | Mercury, Dissolved | μg/l | < 0.01 | |||||||||
| 0106 | Cadmium, Dissolved | μg/l | 0.08 | |||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | 0.014 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | ||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 0.52 | 0.52 | 0.18 | 0.52 | 0.74 | 0.63 | 0.51 | 0.49 | ||
| 0117 | Nitrate as N | mg/l | 0.516 | 0.516 | 0.179 | 0.516 | 0.736 | 0.626 | 0.506 | 0.486 | ||
| 0118 | Nitrite as N | mg/l | < 0.004 | < 0.004 | < 0.001 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | ||
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00072 | < 0.00077 | 0.0003 | < 0.00066 | < 0.00077 | < 0.00076 | < 0.00086 | < 0.00088 | ||
| 0135 | Solids, Suspended at 105 C | mg/l | 7.3 | |||||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 110 | 130 | 96 | 110 | 140 | 150 | 120 | 110 | ||
| 0180 | Orthophosphate, reactive as P | mg/l | < 0.01 | < 0.01 | 0.0019 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | ||
| 0235 | Magnesium, Dissolved | mg/l | 1.4 | |||||||||
| 0239 | Calcium, Dissolved | mg/l | 36 | |||||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 12 | |||||||||
| 2348 | Escherichia coli : Confirmed : MF | no/100ml | 410 | 410 | 830 | 550 | 460 | 1600 | 730 | 260 | 360 | |
| 3377 | Lead : BLM Bioavailable | μg/l | 0.33 | |||||||||
| 3408 | Zinc, Dissolved | μg/l | 19 | |||||||||
| 3409 | Chromium, Dissolved | μg/l | < 0.5 | |||||||||
| 3410 | Nickel, Dissolved | μg/l | 1.9 | |||||||||
| 3722 | Enterococci: Intestinal: Presumptive: MF | cfu/0.1l | 400 | 190 | 320 | 260 | 200 | 340 | 450 | 250 | 170 | |
| 3723 | Enterococci: Intestinal: Confirmed: MF | cfu/0.1l | 360 | 170 | 320 | 260 | 200 | 340 | 410 | 250 | 150 | |
| 3878 | Nickel : BLM Bioavailable | μg/l | 0.56 | |||||||||
| 4820 | Manganese : BLM Bioavailable | μg/l | 5 | |||||||||
| 4821 | Copper : BLM Bioavailable | μg/l | 0.06 | |||||||||
| 4822 | Zinc : BLM Bioavailable | μg/l | 3.6 | |||||||||
| 4865 | Volume of Sample Filtered | ml | 970 | 920 | 980 | 570 | 940 | 890 | 760 | 760 | 900 | |
| 4926 | MST Filtration | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | ||
| 6396 | Turbidity | ntu | 5.9 | |||||||||
| 6450 | Copper, Dissolved | μg/l | 1.7 | |||||||||
| 6458 | Manganese, Dissolved | μg/l | < 10 | |||||||||
| 6460 | Iron, Dissolved | μg/l | 310 | |||||||||
| 7887 | Chlorophyll : Acetone Extract | μg/l | 2.8 | |||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 105.5 | 107.1 | 102.2 | 104.2 | 106.2 | 98.8 | 111.4 | 113.9 | ||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.9 | 10.8 | 10.9 | 11.1 | 10.8 | 10 | 10.9 | 11.1 |