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sampling point
R.Blackwater Stisted Mill

Description R.BLACKWATER STISTED MILL
Sampling point ID AN-BL06
Type Freshwater – Rivers
Status open
Location easting northing: 579090 224685
lat lon: 51.891935, 0.601194
Area Essex Norfolk And Suffolk
Sub-Area Essex Team Sub Area
Summary 245 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.

68 determinands have been measured at this site
  • 4-nonPhenol
  • Alky pH 4.5
  • Ammonia(N)
  • B-[a]-pyrene
  • B-[b]-fluora
  • B-[ghi]-pery
  • B-[k]-fluora
  • BOD ATU
  • C - Org Filt
  • Ca Filtered
  • Cadmium - Cd
  • Cd Filtered
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu BLM Bio
  • Cu Filtered
  • Cypermethrin
  • DEHP
  • E.coli C-MF
  • Fe- Filt
  • Fluoranthene
  • HBCDD
  • IE Conf
  • IE Pres
  • Ind123pyrene
  • Iron - as Fe
  • Lead - as Pb
  • Mg Filtered
  • Mn BLM Bio
  • Mn- Filtered
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • Ni BLM Bio
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • OdorThresNum
  • Orthophospht
  • Oxygen Diss
  • PBDE 100
  • PBDE 153
  • PBDE 154
  • PBDE 28
  • PBDE 47
  • PBDE 99
  • PFOS
  • Pb BLM Bio
  • Pb Filtered
  • Phosphorus-P
  • THODNU 40 C
  • Temp Water
  • TriBT Cation
  • Triclosan
  • Turbidity
  • TurbidityNTU
  • Zinc - as Zn
  • Zn BLM Bio
  • Zn- Filtered
  • pFoctanoate
  • pH
  • pH Inst unit

Sampling results

Displaying the twenty most recent samples. You can see all 245 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 16 Oct 2023 to 18 Jul 2024

NotationDeterminandUnits16 Oct
2023
12:22
24 Nov
2023
09:23
13 Dec
2023
13:10
17 Jan
2024
10:12
29 Feb
2024
09:57
22 Mar
2024
09:43
15 Apr
2024
13:12
14 May
2024
15:07
20 Jun
2024
10:21
18 Jul
2024
07:33
0061pH88.048.098.198.218.258.328.117.98
0076Temperature of Water°C10.88.87.71.98.811.811.515.715.816.3
0077Conductivity at 25 Cμs/cm809785641842777817836806924812
0085BOD : 5 Day ATUmg/l< 21.42< 31.61.1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.030.0320.110.0610.04< 0.030.110.0620.066
0116Nitrogen, Total Oxidised as Nmg/l7.91311109.29.39.49.7137.9
0117Nitrate as Nmg/l7.8813119.959.169.269.379.6412.97.84
0118Nitrite as Nmg/l0.0190.0270.0260.050.0440.0380.0320.0650.0760.058
0119Ammonia un-ionised as Nmg/l< 0.00058< 0.00050.000490.001110.001020.00083< 0.000610.003040.001380.00191
0162Alkalinity to pH 4.5 as CaCO3mg/l230270240270280280270240240250
0180Orthophosphate, reactive as Pmg/l0.290.130.110.20.130.170.20.340.250.29
2348Escherichia coli : Confirmed : MFno/100ml630650740
3722Enterococci: Intestinal: Presumptive: MFcfu/0.1l290150710
3723Enterococci: Intestinal: Confirmed: MFcfu/0.1l290150710
9901Oxygen, Dissolved, % Saturation%90.890.294.496.697.796.1102.991.281.786.5
9924Oxygen, Dissolved as O2mg/l1010.511.213.411.310.411.29.048.088.46

Samples from 6 Dec 2022 to 1 Sep 2023

NotationDeterminandUnits 6 Dec
2022
11:52
26 Jan
2023
14:38
10 Feb
2023
10:38
1 Mar
2023
11:12
20 Apr
2023
14:22
18 May
2023
09:26
6 Jun
2023
14:05
17 Jul
2023
15:46
11 Aug
2023
11:34
1 Sep
2023
11:15
0061pH8.168.198.258.368.247.987.878.067.868
0076Temperature of Water°C6.35.23.46.212.112.414.417.618.416.1
0077Conductivity at 25 Cμs/cm928952925981818878974836897844
0085BOD : 5 Day ATUmg/l1.32.21.12.11.41.5
0111Ammoniacal Nitrogen as Nmg/l0.0660.29< 0.03< 0.030.0610.0870.088< 0.030.033< 0.03
0116Nitrogen, Total Oxidised as Nmg/l141212111111127.2118.3
0117Nitrate as Nmg/l13.911.912111110.911.97.18118.29
0118Nitrite as Nmg/l0.0670.110.0250.0160.0310.0620.140.020.0310.015
0119Ammonia un-ionised as Nmg/l0.000920.00372< 0.00034< 0.000410.00130.001810.00165< 0.000950.00081< 0.00085
0162Alkalinity to pH 4.5 as CaCO3mg/l280260260270270280280240250240
0180Orthophosphate, reactive as Pmg/l0.170.130.130.110.110.230.360.240.310.23
2348Escherichia coli : Confirmed : MFno/100ml140065003604803507701500
3722Enterococci: Intestinal: Presumptive: MFcfu/0.1l1402600140814605701100
3723Enterococci: Intestinal: Confirmed: MFcfu/0.1l1402600140724605701100
9901Oxygen, Dissolved, % Saturation%87.695.393.7100.7102.981.373.986.284.888.3
9924Oxygen, Dissolved as O2mg/l10.812.112.512.5118.667.538.217.948.67