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sampling point
St. Austell River At Iron Bridge

Description ST. AUSTELL RIVER AT IRON BRIDGE ABOVE ST AUSTELL(MENAGWINS) STW
Sampling point ID SW-81810168
Type Freshwater – Rivers
Status open
Location easting northing: 201202 51115
lat lon: 50.326352, -4.794328
Area Devon And Cornwall
Sub-Area West Devon And Cornwall
Summary 219 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.

45 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • B-[a]-pyrene
  • B-[ghi]-pery
  • BOD ATU
  • C - Org Filt
  • CHLOROPHYLL
  • COD as O2
  • Calcium - Ca
  • Chloride Ion
  • Chlorophyl-A
  • Cond @ 20C
  • Cond @ 25C
  • Cu Filtered
  • E.coli C-MF
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • IE Conf
  • IE Pres
  • MST Filter
  • Magnesium-Mg
  • N Inorganic
  • N Oxidised
  • NATGRIDREF
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • Potassium- K
  • SALinsitu
  • SiO2 Rv
  • Sld Sus@105C
  • Temp Water
  • TurbidityNTU
  • Type of Flow
  • Vol Filtered
  • WethPresPrec
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 219 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 16 Apr 2024 to 29 Jul 2024

NotationDeterminandUnits16 Apr
2024
14:30
4 Jun
2024
10:07
11 Jun
2024
13:03
17 Jun
2024
15:48
24 Jun
2024
14:43
3 Jul
2024
10:02
8 Jul
2024
17:38
21 Jul
2024
10:00
24 Jul
2024
14:15
29 Jul
2024
10:30
2348Escherichia coli : Confirmed : MFno/100ml1705004105301800440010000015001000880
3722Enterococci: Intestinal: Presumptive: MFcfu/0.1l543401903200860160087000560770420
3723Enterococci: Intestinal: Confirmed: MFcfu/0.1l18
4865Volume of Sample Filteredml940890660710860950470830770830
4926MST Filtration2222222222

Samples from 4 Oct 2017 to 11 Apr 2024

NotationDeterminandUnits 4 Oct
2017
13:14
3 Nov
2017
08:49
20 Nov
2017
10:54
14 Feb
2018
12:30
10 May
2018
12:47
6 Aug
2018
11:29
2 Nov
2018
12:23
5 Mar
2019
13:07
17 Jun
2019
12:41
11 Apr
2024
12:26
0061pH6.717.117.157.017.37.886.357.446.897.37
0076Temperature of Water°C13.711.911.47.912.818.69.59.614.411.6
0077Conductivity at 25 Cμs/cm193187184166154208189179195
0085BOD : 5 Day ATUmg/l1.1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.030.0350.055< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l2.041.931.671.521.321.431.191.81.41.9
0117Nitrate as Nmg/l2.041.931.671.521.321.431.191.81.4
0118Nitrite as Nmg/l0.0043< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004
0119Ammonia un-ionised as Nmg/l< 4.0e-05< 8.0e-050.00019.0e-05< 0.00014< 0.00078< 1.0e-05< 0.00015< 6.0e-05< 0.00015
0135Solids, Suspended at 105 Cmg/l30
0162Alkalinity to pH 4.5 as CaCO3mg/l10891187777
0172Chloridemg/l21
0180Orthophosphate, reactive as Pmg/l< 0.01< 0.01< 0.010.028< 0.01< 0.01< 0.01< 0.01< 0.010.015
2348Escherichia coli : Confirmed : MFno/100ml460
4865Volume of Sample Filteredml930
4926MST Filtration2
6396Turbidityntu31
7434National Grid Reference : Whole : Field report1
7608Salinity : In Situppt0.07
9901Oxygen, Dissolved, % Saturation%98.295.898.5105.295.9102.110098.3100.898.5
9924Oxygen, Dissolved as O2mg/l10.210.310.712.510.19.5211.411.210.3