sampling point
D/S Tenterden Stw
| Description | NEWMILL CHANNEL 100M DOWNSTREAM TENTERDEN SEWAGE WORKS |
|---|---|
| Sampling point ID | SO-E0001673 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 586719 132077 lat lon: 51.057668, 0.663025 |
| Area | Kent And South London |
| Sub-Area | L&W Kent And East Sussex Ksl |
| Summary | 253 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.
44 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- C - Org Filt
- COPA
- Ca Filtered
- Calcium - Ca
- Chloride Ion
- ChlorophyllA
- ChlorophyllB
- Chlorophylls
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cr Hex Filt
- Cr Hexavalnt
- Cr- Filtered
- Cu Filtered
- Fe- Filt
- Hardness
- Magnesium-Mg
- Mg Filtered
- Mn BLM Bio
- Mn- Filtered
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Ni BLM Bio
- Ni- Filtered
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Pb BLM Bio
- Pb Filtered
- Phaeophytn-A
- Phaeophytn-B
- River Flow
- Temp Water
- TurbidityNTU
- Zinc - as Zn
- Zn- Filtered
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 253 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 21 Oct 2022 to 20 Mar 2024
| Notation | Determinand | Units | 21 Oct 2022 13:29 | 23 Nov 2022 09:22 | 6 Dec 2022 11:58 | 27 Jan 2023 09:05 | 22 Feb 2023 10:38 | 1 Mar 2023 11:24 | 8 Jun 2023 13:15 | 11 Sep 2023 14:42 | 4 Dec 2023 09:53 | 20 Mar 2024 08:34 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0052 | Lead, Dissolved | μg/l | 0.1 | < 0.1 | 0.66 | 0.23 | ||||||
| 0061 | pH | 7.17 | 7.27 | 7.49 | 7.66 | 7.45 | 7.61 | 7.21 | 7.07 | 7.45 | 7.96 | |
| 0076 | Temperature of Water | °C | 13.9 | 8.7 | 7.7 | 5.3 | 7.5 | 5.2 | ||||
| 0077 | Conductivity at 25 C | μs/cm | 614 | 425 | 560 | 437 | 610 | 651 | ||||
| 0085 | BOD : 5 Day ATU | mg/l | < 2 | 1.4 | 1.7 | 1.3 | 2.1 | 2.4 | ||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.11 | 0.15 | 0.12 | 0.056 | 0.17 | 0.19 | ||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 8.6 | 5.3 | 9.9 | 4.3 | 11 | 13 | ||||
| 0117 | Nitrate as N | mg/l | 8.53 | 5.27 | 9.86 | 4.28 | 11 | 12.9 | ||||
| 0118 | Nitrite as N | mg/l | 0.066 | 0.03 | 0.041 | 0.024 | 0.04 | 0.054 | ||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.0004 | 0.00047 | 0.00058 | 0.00033 | 0.00074 | 0.001 | ||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 88 | 83 | 93 | 80 | 90 | 81 | ||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.13 | 0.087 | 0.095 | 0.072 | 0.095 | 0.09 | ||||
| 0239 | Calcium, Dissolved | mg/l | 54 | 62 | 28 | 42 | ||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 6.7 | 7 | 11 | 6.8 | ||||||
| 3377 | Lead : BLM Bioavailable | μg/l | 0.01 | 0.01 | 0.06 | 0.03 | ||||||
| 3410 | Nickel, Dissolved | μg/l | 4.2 | 4.1 | 3.6 | 4.1 | ||||||
| 3878 | Nickel : BLM Bioavailable | μg/l | 0.89 | 0.8 | 0.75 | 1.5 | ||||||
| 6396 | Turbidity | ntu | 7.6 | 9.4 | ||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 60.7 | 92.7 | 90 | 96.3 | 96.8 | 102.8 | ||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 6.25 | 10.8 | 10.7 | 12.2 | 11.6 | 13 |
Samples from 3 Dec 2019 to 15 Sep 2022
| Notation | Determinand | Units | 3 Dec 2019 10:40 | 16 Jan 2020 12:20 | 14 Feb 2020 11:07 | 4 Mar 2020 11:24 | 27 Apr 2022 12:16 | 13 May 2022 10:32 | 21 Jun 2022 12:47 | 12 Jul 2022 10:20 | 4 Aug 2022 09:36 | 15 Sep 2022 09:02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0052 | Lead, Dissolved | μg/l | 0.18 | 0.23 | ||||||||
| 0061 | pH | 7.72 | 7.48 | 7.49 | 7.74 | 7.6 | 7.18 | 7.02 | 7.03 | 7.13 | 7.04 | |
| 0062 | Conductivity at 20 C | μs/cm | 380 | |||||||||
| 0076 | Temperature of Water | °C | 11.2 | 13.3 | 15 | 17.5 | 19.2 | 15.7 | ||||
| 0077 | Conductivity at 25 C | μs/cm | 430 | 694 | 665 | 700 | 811 | 814 | 564 | |||
| 0085 | BOD : 5 Day ATU | mg/l | 2.6 | < 3 | < 3 | < 3 | < 4 | < 3 | ||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.19 | 0.22 | 0.52 | 0.67 | 0.27 | 0.13 | ||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 9.8 | 11 | 12 | 18 | 17 | 5.3 | ||||
| 0117 | Nitrate as N | mg/l | 9.73 | 10.9 | 11.8 | 17.6 | 16.6 | 5.24 | ||||
| 0118 | Nitrite as N | mg/l | 0.069 | 0.13 | 0.18 | 0.39 | 0.44 | 0.065 | ||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00152 | 0.00079 | 0.00146 | 0.00233 | 0.00134 | 0.0004 | ||||
| 0158 | Hardness, Total as CaCO3 | mg/l | 164 | 116 | 107 | |||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 120 | 120 | 110 | 93 | 91 | 94 | ||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.14 | 0.12 | 0.26 | 0.25 | 0.28 | 0.12 | ||||
| 0235 | Magnesium, Dissolved | mg/l | 7.1 | 5.2 | 4.7 | |||||||
| 0237 | Magnesium | mg/l | 7.2 | 5.4 | 4.8 | |||||||
| 0239 | Calcium, Dissolved | mg/l | 54 | 38 | 35 | |||||||
| 0241 | Calcium | mg/l | 55 | 41 | 34 | |||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 8.3 | 8.5 | 8.6 | 6.6 | ||||||
| 3377 | Lead : BLM Bioavailable | μg/l | 0.02 | |||||||||
| 3408 | Zinc, Dissolved | μg/l | 7.6 | 5 | 5.6 | 6 | ||||||
| 3409 | Chromium, Dissolved | μg/l | < 0.5 | 0.55 | < 0.5 | < 0.5 | ||||||
| 3410 | Nickel, Dissolved | μg/l | 3.6 | 3.8 | ||||||||
| 3878 | Nickel : BLM Bioavailable | μg/l | 0.9 | |||||||||
| 6396 | Turbidity | ntu | 18 | 9.5 | 7.5 | 5.9 | 18 | 8.3 | ||||
| 6455 | Zinc | μg/l | 10 | 13 | 16 | 9.8 | ||||||
| 6460 | Iron, Dissolved | μg/l | 190 | 260 | 180 | |||||||
| 6619 | Chromium Hexavalent, Dissolved :- {Cr VI} | μg/l | < 0.05 | 0.032 | 0.052 | < 0.05 | ||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 91.1 | 75.6 | 53.5 | 35.7 | 48.5 | 65.1 | ||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 9.98 | 7.89 | 5.38 | 3.41 | 4.47 | 6.45 |