sampling point
Par River D/S St.Austell (North) Stw
| Description | PAR RIVER DOWNSTREAM OF ST.AUSTELL (NORTH) STW |
|---|---|
| Sampling point ID | SW-81610186 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 204518 58074 lat lon: 50.389973, -4.751411 |
| Area | Devon And Cornwall |
| Sub-Area | West Devon And Cornwall |
| Summary | 235 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.
48 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- C - Org Filt
- Ca Filtered
- Calcium - Ca
- Cd Filtered
- Chloride Ion
- Colfm PMF10
- ColfmF MF10
- ColformsPre
- Cond @ 20C
- Cond @ 25C
- Cr- Filtered
- Cu BLM Bio
- Cu Filtered
- E.coli C-MF
- F Coli Pre
- Fe- Filt
- Hardness
- IE Pres
- Magnesium-Mg
- Mg Filtered
- Mn BLM Bio
- Mn- Filtered
- N Inorganic
- N Oxidised
- NH3 un-ion
- Ni BLM Bio
- Ni- Filtered
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Pb BLM Bio
- Pb Filtered
- Sld NV@500C
- Sld Sus@105C
- StrepF PMF
- Temp Water
- TurbidityNTU
- Type of Flow
- WethPresPrec
- Zn BLM Bio
- Zn- Filtered
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 235 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 26 Oct 2022 to 1 Mar 2024
Samples from 10 Oct 2019 to 25 Feb 2022
| Notation | Determinand | Units | 10 Oct 2019 12:32 | 10 Oct 2019 12:33 | 11 Nov 2019 13:22 | 14 Jan 2020 14:22 | 16 Mar 2020 12:11 | 22 Jun 2021 12:32 | 6 Oct 2021 12:24 | 12 Oct 2021 12:45 | 17 Dec 2021 12:30 | 25 Feb 2022 13:30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 6.82 | 6.83 | 6.77 | 6.95 | 6.76 | 7.18 | 6.86 | 6.87 | 6.77 | ||
| 0076 | Temperature of Water | °C | 13.2 | 9.3 | 9.9 | 8.7 | 15.4 | 13.1 | 9.9 | 8.6 | ||
| 0077 | Conductivity at 25 C | μs/cm | 265 | 215 | 253 | 204 | 395 | 288 | 292 | 316 | ||
| 0085 | BOD : 5 Day ATU | mg/l | < 3 | |||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.15 | 0.091 | 0.16 | 0.081 | 0.98 | 0.15 | 0.68 | 0.14 | 0.14 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 1.7 | 1.83 | 1.5 | 1.7 | 0.85 | 0.94 | 1.9 | 1.9 | ||
| 0117 | Nitrate as N | mg/l | 1.67 | 1.81 | 1.47 | 1.69 | 0.835 | 0.81 | 1.89 | 1.89 | ||
| 0118 | Nitrite as N | mg/l | 0.027 | 0.0154 | 0.026 | 0.01 | 0.015 | 0.13 | 0.015 | 0.015 | ||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00023 | 9.0e-05 | 0.00026 | 8.0e-05 | 0.00411 | 0.00025 | 0.00019 | 0.00014 | ||
| 0135 | Solids, Suspended at 105 C | mg/l | 9.2 | 11.8 | 35 | 11 | 8.9 | 14 | 11 | 13 | ||
| 0143 | Solids, non-volatile at 500 C | mg/l | < 20 | < 20 | 27 | < 20 | < 20 | < 20 | < 20 | |||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 22 | 20 | 21 | 16 | 24 | 24 | 24 | 21 | ||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.4 | 0.194 | 0.46 | 0.1 | 0.49 | 0.42 | 1.3 | 0.43 | 0.47 | |
| 0235 | Magnesium, Dissolved | mg/l | 3.3 | 2.9 | ||||||||
| 0239 | Calcium, Dissolved | mg/l | 10 | 9.1 | ||||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 5.7 | 5 | ||||||||
| 6460 | Iron, Dissolved | μg/l | 730 | 600 | ||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 92.9 | 87.9 | 94.3 | 93.7 | 90.3 | 89.7 | 94.4 | 96.2 | ||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 9.72 | 10.1 | 10.6 | 10.9 | 9 | 9.41 | 10.7 | 11.2 |