sampling point
Caudworthy Water U/S River Ottery
| Description | CAUDWORTHY WATER PRIOR TO RIVER OTTERY |
|---|---|
| Sampling point ID | SW-91221702 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 226736 88854 lat lon: 50.673494, -4.453479 |
| Area | Devon And Cornwall |
| Sub-Area | Central Devon And Cornwall |
| Summary | 307 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.
35 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Calcium - Ca
- Cond @ 20C
- Cond @ 25C
- Cu Filtered
- Hardness
- Hdnss Ca
- Hdnss Mg
- Magnesium-Mg
- N Inorganic
- N Organic
- N Oxidised
- N-Kjeldahl
- NH3 un-ion
- NO FLOW/SAMP
- Nitrate-N
- Nitrite-N
- Nitrogen - N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- Phenol Odour
- Phosphate
- Phosphorus-P
- Potassium- K
- Sld Sus@105C
- Temp Water
- Type of Flow
- WethPresPrec
- Zinc - as Zn
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 307 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 11 Mar 2024 to 6 Jun 2024
| Notation | Determinand | Units | 11 Mar 2024 12:36 | 20 Mar 2024 13:45 | 26 Mar 2024 10:27 | 2 Apr 2024 13:06 | 10 Apr 2024 13:25 | 23 Apr 2024 11:10 | 15 May 2024 10:52 | 22 May 2024 12:38 | 29 May 2024 12:37 | 6 Jun 2024 10:43 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0076 | Temperature of Water | °C | 7.8 | 11.2 | 8.4 | 8.9 | 10.1 | 10.6 | 13.3 | 14.1 | 13.6 | 12.7 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | 0.13 | < 0.03 | < 0.03 | < 0.03 | |||
| 0113 | Nitrogen, Organic as N | mg/l | 0.67 | |||||||||
| 0114 | Nitrogen, Kjeldahl as N | mg/l | 0.7 | |||||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 1.6 | 2.1 | 2.3 | 2.2 | 2.1 | 1.7 | 1.6 | |||
| 0117 | Nitrate as N | mg/l | 1.59 | 2.09 | 2.28 | 2.18 | 2.08 | 1.69 | 1.6 | |||
| 0118 | Nitrite as N | mg/l | 0.0087 | 0.0067 | 0.021 | 0.024 | 0.018 | 0.0073 | 0.0042 | |||
| 0135 | Solids, Suspended at 105 C | mg/l | 11 | 3.8 | 35 | 17 | 15 | 12 | 20 | 16 | 16 | 13 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.025 | 0.018 | 0.018 | 0.015 | 0.012 | 0.023 | 0.019 | |||
| 0192 | Phosphate :- {TIP} | mg/l | 0.057 | 0.021 | 0.088 | 0.049 | 0.032 | 0.035 | 0.036 | < 0.02 | 0.04 | 0.036 |
| 0348 | Phosphorus, Total as P | mg/l | 0.079 | 0.039 | 0.13 | 0.062 | 0.036 | 0.05 | 0.038 | 0.062 | 0.074 | 0.05 |
| 9686 | Nitrogen, Total as N | mg/l | 2.7 | 2.8 | 2.7 | 2.1 | 2.5 | 2.8 | 4 | 2.3 | 2.4 | 2 |
Samples from 28 Nov 2023 to 5 Mar 2024
| Notation | Determinand | Units | 28 Nov 2023 11:07 | 6 Dec 2023 13:53 | 11 Dec 2023 10:06 | 11 Jan 2024 10:08 | 22 Jan 2024 10:51 | 29 Jan 2024 11:50 | 5 Feb 2024 10:09 | 20 Feb 2024 12:25 | 26 Feb 2024 14:26 | 5 Mar 2024 10:39 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.15 | 7.55 | 7.06 | ||||||||
| 0076 | Temperature of Water | °C | 7.9 | 7.2 | 9.6 | 4.6 | 8 | 10.2 | 9.3 | 9.9 | 7.7 | 6.9 |
| 0077 | Conductivity at 25 C | μs/cm | 208 | 212 | 176 | |||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.039 | < 0.03 | 0.032 | |||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 3.7 | 2.2 | 2.2 | |||||||
| 0117 | Nitrate as N | mg/l | 3.69 | 2.19 | 2.19 | |||||||
| 0118 | Nitrite as N | mg/l | 0.01 | 0.009 | 0.0061 | |||||||
| 0119 | Ammonia un-ionised as N | mg/l | 8.0e-05 | < 0.00019 | 5.0e-05 | |||||||
| 0135 | Solids, Suspended at 105 C | mg/l | 11 | 8.7 | 11 | 7.3 | 63 | 8.8 | 9.3 | 11 | 16 | 10 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 36 | 44 | 39 | |||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.018 | 0.019 | 0.021 | |||||||
| 0192 | Phosphate :- {TIP} | mg/l | 0.043 | 0.025 | 0.061 | < 0.02 | 0.17 | 0.024 | 0.033 | 0.032 | 0.06 | 0.04 |
| 0348 | Phosphorus, Total as P | mg/l | 0.062 | 0.038 | 0.076 | 0.019 | 0.24 | 0.029 | 0.044 | 0.043 | 0.06 | 0.046 |
| 9686 | Nitrogen, Total as N | mg/l | 3.3 | 4.1 | 4.4 | 3.4 | 3.7 | 3.3 | 2.6 | 3.4 | 3.1 | 2.6 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 94.9 | 96.8 | 95.2 | |||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 11.4 | 11.1 | 11.6 |