sampling point
River Axe At Slymlakes
| Description | RIVER AXE AT SLYMLAKES |
|---|---|
| Sampling point ID | SW-70220164 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 328046 96713 lat lon: 50.765523, -3.021636 |
| Area | Devon And Cornwall |
| Sub-Area | East Devon And Cornwall |
| Summary | 222 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.
77 determinands have been measured at this site
- Action taken
- Al- Filtered
- Alky pH 4.5
- Aluminium-Al
- Ammonia(N)
- As-Filtered
- BOD ATU
- C - Org Filt
- C - Organic
- CHLOR A
- CHLOROPHYLL
- COD as O2
- Ca Filtered
- Cadmium - Cd
- Calcium - Ca
- Cd DW <63
- Cd - Dry Wt
- Cd Filtered
- Chloride Ion
- Chlorophyl-A
- Chromium -Cr
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cr Hex Filt
- Cr Hexavalnt
- Cr- Filtered
- Cu BLM Bio
- Cu Filtered
- Dry Matter %
- Endrin
- HCH Alpha
- HCH Beta
- HCH Beta DWt
- HCH Gamma
- HCHAlpha DWt
- HCHGamma DWt
- HCHs ABGDE
- Hardness
- Hdnss Ca
- Hdnss Mg
- Hg DW <63
- Hg - Dry Wt
- Hg Filtered
- Lead - as Pb
- Magnesium-Mg
- Mercury - Hg
- Mg Filtered
- N Inorganic
- N Oxidised
- NH3 un-ion
- Ni BLM Bio
- Ni- Filtered
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- OrthophsFilt
- Oxygen Diss
- Pb BLM Bio
- Pb Filtered
- Phosphate
- Phosphorus-P
- Potassium- K
- SiO2 Rv
- Sld NV@500C
- Sld Sus@105C
- Sulphate SO4
- Temp Water
- TurbidityNTU
- Type of Flow
- WethPresPrec
- Zinc - as Zn
- Zn- Filtered
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 222 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 8 Aug 2022 to 6 Feb 2024
| Notation | Determinand | Units | 8 Aug 2022 10:28 | 24 Aug 2022 11:55 | 12 Sep 2022 11:35 | 12 Oct 2022 11:00 | 1 Nov 2022 11:49 | 7 Dec 2022 10:59 | 15 Feb 2023 10:53 | 2 Mar 2023 12:03 | 7 Nov 2023 10:16 | 6 Feb 2024 10:44 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0052 | Lead, Dissolved | μg/l | 0.12 | < 0.1 | ||||||||
| 0061 | pH | 8.1 | 7.92 | 8 | 8.07 | 7.88 | 8 | 7.95 | 8.4 | 7.88 | 8.22 | |
| 0076 | Temperature of Water | °C | 18.2 | 18.9 | 17.4 | 10.8 | 13 | 5.7 | 7.5 | 6.3 | ||
| 0077 | Conductivity at 25 C | μs/cm | 486 | 187 | 491 | 489 | 388 | 430 | 458 | 451 | ||
| 0103 | Mercury, Dissolved | μg/l | < 0.01 | < 0.01 | ||||||||
| 0106 | Cadmium, Dissolved | μg/l | 0.01 | < 0.01 | ||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | 0.034 | 0.051 | < 0.03 | 0.082 | 0.087 | 0.033 | 0.058 | ||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 3.5 | 3.5 | 3.1 | 3.2 | 4.9 | 4 | 4.4 | 4.3 | ||
| 0117 | Nitrate as N | mg/l | 3.48 | 3.48 | 3.09 | 3.18 | 4.87 | 3.98 | 4.39 | 4.29 | ||
| 0118 | Nitrite as N | mg/l | 0.017 | 0.02 | 0.013 | 0.016 | 0.026 | 0.019 | 0.014 | 0.013 | ||
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00099 | 0.00099 | 0.00159 | < 0.00058 | 0.00142 | 0.00116 | 0.00045 | 0.00081 | ||
| 0135 | Solids, Suspended at 105 C | mg/l | < 3 | < 3 | 7.8 | < 3 | 74 | 4.1 | 8.3 | 3.6 | ||
| 0143 | Solids, non-volatile at 500 C | mg/l | < 20 | < 20 | < 20 | < 20 | 59 | < 20 | < 20 | < 20 | ||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 180 | 170 | 170 | 170 | 120 | 150 | 150 | 170 | ||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.097 | 0.13 | 0.11 | 0.091 | 0.14 | 0.085 | 0.065 | 0.031 | ||
| 0235 | Magnesium, Dissolved | mg/l | 4.9 | 5.4 | ||||||||
| 0239 | Calcium, Dissolved | mg/l | 53 | 69 | ||||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 6.1 | 2.8 | ||||||||
| 3377 | Lead : BLM Bioavailable | μg/l | 0.02 | 0.02 | ||||||||
| 3410 | Nickel, Dissolved | μg/l | 2.2 | 1.4 | ||||||||
| 3878 | Nickel : BLM Bioavailable | μg/l | 0.81 | 0.74 | ||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 102 | 84.9 | 103 | 93 | 93 | 96 | 99 | 112 | ||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 9.59 | 7.87 | 9.85 | 10.3 | 9.78 | 12 | 11.9 | 13.8 |
Samples from 4 Sep 2019 to 15 Jul 2022
| Notation | Determinand | Units | 4 Sep 2019 12:45 | 16 Oct 2019 11:50 | 11 Nov 2019 11:35 | 10 Dec 2019 12:04 | 31 Jan 2020 12:33 | 24 Feb 2020 11:54 | 3 May 2022 10:16 | 31 May 2022 13:02 | 14 Jun 2022 10:25 | 15 Jul 2022 09:13 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0052 | Lead, Dissolved | μg/l | 0.2 | 0.16 | ||||||||
| 0061 | pH | 8.2 | 8.02 | 7.8 | 7.8 | 8 | 8.1 | 8.29 | 8.33 | 8.44 | 7.95 | |
| 0076 | Temperature of Water | °C | 16.5 | 13.4 | 8.9 | 8.2 | 9 | 9.9 | 11.7 | 13.2 | 15.5 | 17.8 |
| 0077 | Conductivity at 25 C | μs/cm | 451 | 295 | 319 | 372 | 385 | 381 | 437 | 441 | 282 | 486 |
| 0103 | Mercury, Dissolved | μg/l | < 0.01 | < 0.01 | ||||||||
| 0106 | Cadmium, Dissolved | μg/l | 0.016 | 0.016 | ||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.042 | 0.15 | 0.117 | 0.19 | 0.16 | 0.13 | < 0.03 | 0.041 | 0.047 | 0.036 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 3.3 | 3.4 | 3 | 3.6 | 3.4 | 3.6 | 3.6 | 3.7 | 3.7 | 3.1 |
| 0117 | Nitrate as N | mg/l | 3.27 | 3.37 | 2.97 | 3.57 | 3.36 | 3.57 | 3.57 | 3.68 | 3.68 | 3.08 |
| 0118 | Nitrite as N | mg/l | 0.027 | 0.033 | 0.0262 | 0.034 | 0.037 | 0.026 | 0.028 | 0.023 | 0.025 | 0.022 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00123 | 0.00351 | 0.00125 | 0.00193 | 0.00271 | 0.00235 | < 0.00062 | 0.00094 | 0.00128 | 0.00104 |
| 0135 | Solids, Suspended at 105 C | mg/l | 14 | 62 | 26.9 | 41 | 11 | 12 | 500 | 9.8 | 11 | < 3 |
| 0143 | Solids, non-volatile at 500 C | mg/l | < 20 | 48 | 22 | 33 | < 20 | < 20 | 450 | < 20 | < 20 | < 20 |
| 0158 | Hardness, Total as CaCO3 | mg/l | 129 | 161 | ||||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 160 | 92 | 111 | 110 | 130 | 130 | 160 | 150 | 170 | 170 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.097 | 0.17 | 0.1 | 0.083 | 0.12 | 0.1 | 0.066 | 0.11 | 0.12 | 0.11 |
| 0235 | Magnesium, Dissolved | mg/l | 4.7 | |||||||||
| 0237 | Magnesium | mg/l | 4.9 | 5.1 | ||||||||
| 0239 | Calcium, Dissolved | mg/l | 44 | |||||||||
| 0241 | Calcium | mg/l | 44 | 56 | ||||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 8.79 | 4.4 | ||||||||
| 3377 | Lead : BLM Bioavailable | μg/l | 0.02 | 0.04 | ||||||||
| 3408 | Zinc, Dissolved | μg/l | 2.8 | 5.1 | ||||||||
| 3409 | Chromium, Dissolved | μg/l | < 0.5 | < 0.5 | ||||||||
| 3410 | Nickel, Dissolved | μg/l | 2.5 | 1.9 | ||||||||
| 3878 | Nickel : BLM Bioavailable | μg/l | 0.69 | |||||||||
| 4821 | Copper : BLM Bioavailable | μg/l | 0.08 | |||||||||
| 6045 | Arsenic, Dissolved | μg/l | < 1 | < 1 | ||||||||
| 6450 | Copper, Dissolved | μg/l | 2.8 | 2.2 | ||||||||
| 6455 | Zinc | μg/l | 9 | 6 | ||||||||
| 6619 | Chromium Hexavalent, Dissolved :- {Cr VI} | μg/l | 0.057 | 0.1 | ||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 110 | 89 | 99 | 98 | 93 | 86 | 104.8 | 97.5 | 98.7 | 88 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.7 | 9.27 | 11.5 | 11.5 | 10.7 | 9.71 | 11.3 | 10.2 | 9.82 | 8.34 |