sampling point
Pearl Brook Below Horwich Etw
| Description | PEARL BROOK BELOW HORWICH ETW |
|---|---|
| Sampling point ID | NW-88003084 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 362199 410999 lat lon: 53.594181, -2.572589 |
| Area | Cumbria And Lancashire |
| Sub-Area | Ribble / Douglas |
| Summary | 144 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.
64 determinands have been measured at this site
- 4-nonPhenol
- Alky pH 4.5
- Aluminium-Al
- Ammonia(N)
- B-[a]-pyrene
- B-[b]-fluora
- B-[ghi]-pery
- B-[k]-fluora
- BOD ATU
- C - Org Filt
- Ca Filtered
- Cadmium - Cd
- Calcium - Ca
- Cd Filtered
- Chloride Ion
- Chlorophylls
- Chromium -Cr
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cr- Filtered
- Cu Filtered
- DEHP
- Fe- Filt
- Hardness
- Hg Filtered
- Ind123pyrene
- Lead - as Pb
- Magnesium-Mg
- Mn- Filtered
- N Oxidised
- NATGRIDREF
- NH3 un-ion
- Ni- Filtered
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- OMR Smpl Num
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- PBDE 100
- PBDE 153
- PBDE 154
- PBDE 28
- PBDE 47
- PBDE 99
- Pb Filtered
- Phenol Odour
- Sld NV@500C
- Sld Sus@105C
- Temp Water
- TriBT Cation
- Weth-Visibty
- Weth7Dy-Prec
- Weth7Dy-Temp
- Weth7Dy-Vsy
- WethPresPrec
- WethPresTemp
- Zinc - as Zn
- Zn- Filtered
- pH
- ptOctylPheno
Sampling results
Displaying the twenty most recent samples. You can see all 144 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 5 Oct 2021 to 5 Jul 2024
| Notation | Determinand | Units | 5 Oct 2021 12:52 | 9 Nov 2021 11:37 | 13 Dec 2021 11:21 | 4 Jan 2022 14:08 | 4 Feb 2022 11:19 | 14 Mar 2022 11:27 | 8 Apr 2024 08:37 | 8 May 2024 11:41 | 12 Jun 2024 09:22 | 5 Jul 2024 09:42 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.42 | 7.56 | 7.53 | 7.51 | 7.59 | 7.91 | 7.59 | 7.78 | 7.73 | 7.68 | |
| 0076 | Temperature of Water | °C | 13.1 | 11.9 | 9.4 | 7.9 | 8.5 | 9.2 | 10.1 | 13.7 | 12.5 | 14.4 |
| 0077 | Conductivity at 25 C | μs/cm | 325 | 444 | 439 | 411 | 466 | 534 | 402 | 538 | 466 | 643 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.046 | 0.057 | 0.044 | 0.064 | 0.11 | 0.059 | < 0.03 | 0.088 | 0.092 | 0.089 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 3.1 | 5.1 | 4.2 | 5.7 | 5.1 | 6.1 | 3.6 | 7 | 5.1 | 6 |
| 0117 | Nitrate as N | mg/l | 3.08 | 5.08 | 4.18 | 5.68 | 5.09 | 6.07 | 3.59 | 6.99 | 5.09 | 5.93 |
| 0118 | Nitrite as N | mg/l | 0.018 | 0.018 | 0.025 | 0.017 | 0.015 | 0.03 | 0.0084 | 0.011 | 0.014 | 0.071 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00028 | 0.00044 | 0.00026 | 0.00033 | 0.00071 | 0.00083 | < 0.00022 | 0.00128 | 0.00109 | 0.00109 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 78 | 97 | 86 | 85 | 73 | 85 | 86 | 92 | 91 | 85 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.14 | 0.35 | 0.15 | 0.21 | 0.2 | 0.29 | 0.044 | 0.15 | 0.26 | 0.27 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 95.8 | 95.2 | 95.8 | 97.7 | 96.9 | 98.1 | 97.1 | 98.6 | 94.6 | 95.3 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10 | 10.3 | 10.9 | 11.6 | 11.3 | 11.3 | 10.9 | 10.2 | 10.1 | 9.71 |
Samples from 3 Nov 2014 to 13 Sep 2021
| Notation | Determinand | Units | 3 Nov 2014 14:18 | 24 Nov 2014 13:27 | 9 Jan 2015 09:50 | 2 Feb 2015 13:57 | 9 Mar 2015 12:54 | 11 May 2021 12:31 | 8 Jun 2021 11:23 | 19 Jul 2021 11:49 | 2 Aug 2021 13:31 | 13 Sep 2021 12:47 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0052 | Lead, Dissolved | μg/l | 0.175 | 0.203 | 0.286 | 0.201 | 0.395 | |||||
| 0061 | pH | 7.54 | 7.54 | 7.6 | 7.46 | 7.51 | 7.8 | 7.73 | 7.6 | 7.58 | 7.36 | |
| 0076 | Temperature of Water | °C | 11.5 | 15.2 | 18.6 | 15.9 | 15.7 | |||||
| 0077 | Conductivity at 25 C | μs/cm | 424 | 514 | 503 | 473 | 431 | |||||
| 0106 | Cadmium, Dissolved | μg/l | < 0.01 | < 0.01 | 0.0158 | 0.0137 | 0.0178 | |||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.059 | 0.078 | 0.066 | 0.15 | 0.083 | |||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 4.9 | 6.6 | 7.5 | 5.9 | 6.3 | |||||
| 0117 | Nitrate as N | mg/l | 4.89 | 6.57 | 7.46 | 5.88 | 6.29 | |||||
| 0118 | Nitrite as N | mg/l | 0.01 | 0.032 | 0.037 | 0.019 | 0.013 | |||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00076 | 0.00113 | 0.00091 | 0.00163 | 0.00054 | |||||
| 0158 | Hardness, Total as CaCO3 | mg/l | 129 | 123 | 117 | 148 | ||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 78 | 77 | 72 | 97 | 59 | |||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.14 | 0.22 | 0.27 | 0.29 | 0.25 | |||||
| 0237 | Magnesium | mg/l | 6.83 | 6.17 | 5.47 | 7.29 | ||||||
| 0239 | Calcium, Dissolved | mg/l | 36.5 | |||||||||
| 0241 | Calcium | mg/l | 40.4 | 39 | 37.8 | 47.3 | ||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 5.29 | 6.25 | 4.63 | 4.71 | 6.85 | |||||
| 3408 | Zinc, Dissolved | μg/l | 7.34 | 7.79 | 11.1 | 11.2 | 16.5 | |||||
| 3409 | Chromium, Dissolved | μg/l | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | |||||
| 3410 | Nickel, Dissolved | μg/l | 1.85 | 1.88 | 1.57 | 1.53 | 2.1 | |||||
| 6450 | Copper, Dissolved | μg/l | 1.33 | 1.27 | 2.14 | 1.54 | 3.11 | |||||
| 6458 | Manganese, Dissolved | μg/l | 68.5 | 65 | 47 | 62.8 | 50.6 | |||||
| 6460 | Iron, Dissolved | μg/l | 317 | 447 | 297 | 389 | 275 | |||||
| 9190 | 4-Nonylphenol Branched | μg/l | < 0.04 | < 0.04 | < 0.04 | < 0.04 | 0.0647 | |||||
| 9267 | 4-tert-Octylphenol :- {p-tert-Octylphenol} | μg/l | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | |||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 99.6 | 99.9 | 97.9 | 98.6 | 95.9 | |||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.8 | 10 | 9.13 | 9.73 | 9.5 |