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sampling point
R.Wid Brick Bridge

Description R.WID BRICK BRIDGE
Sampling point ID AN-WD0871
Type Freshwater – Rivers
Status open
Location easting northing: 560508 198788
lat lon: 51.664943, 0.319444
Area Essex Norfolk And Suffolk
Sub-Area Essex Team Sub Area
Summary 228 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.

31 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • C - Org Filt
  • CHLOR A
  • CHLOROPHYLL
  • COD as O2
  • Ca Filtered
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Fe- Filt
  • Mg Filtered
  • Mn BLM Bio
  • Mn- Filtered
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • SiO2 Rv
  • Sld Sus@105C
  • Temp Water
  • Turbidity
  • TurbidityNTU
  • pH
  • pH Inst unit

Sampling results

Displaying the twenty most recent samples. You can see all 228 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 24 Oct 2023 to 22 Jul 2024

NotationDeterminandUnits24 Oct
2023
09:49
28 Nov
2023
10:43
14 Dec
2023
09:42
19 Jan
2024
10:59
19 Feb
2024
13:32
19 Mar
2024
12:37
17 Apr
2024
12:58
14 May
2024
12:11
25 Jun
2024
11:06
22 Jul
2024
15:22
0061pH7.427.817.827.837.967.947.847.727.677.98
0076Temperature of Water°C14.27.87.35.810.111.311.515.119.319.8
0077Conductivity at 25 Cμs/cm90068762798759676594491411811087
0085BOD : 5 Day ATUmg/l< 21.6< 3< 3< 3< 9
0111Ammoniacal Nitrogen as Nmg/l2.9< 0.030.0380.120.140.0920.170.640.40.52
0116Nitrogen, Total Oxidised as Nmg/l8.3117.97.13.92.63.21.82.33.1
0117Nitrate as Nmg/l8.07117.8873.872.533.051.62.132.86
0118Nitrite as Nmg/l0.230.0330.0230.10.0290.0660.150.20.170.24
0119Ammonia un-ionised as Nmg/l0.0193< 0.00030.000380.001090.002350.001610.002410.0090.006840.0185
0162Alkalinity to pH 4.5 as CaCO3mg/l190200190240210240250250270260
0180Orthophosphate, reactive as Pmg/l1.10.160.160.160.120.190.360.621.10.6
9901Oxygen, Dissolved, % Saturation%51.887.287.682.293.292.878.458.547.645.6
9924Oxygen, Dissolved as O2mg/l5.310.410.510.310.510.18.535.874.384.15

Samples from 3 Apr 2019 to 29 Sep 2023

NotationDeterminandUnits 3 Apr
2019
13:11
31 Jul
2019
10:20
26 Nov
2019
10:01
13 Jan
2020
09:40
21 Apr
2023
12:18
31 May
2023
15:24
26 Jun
2023
14:22
1 Aug
2023
12:57
24 Aug
2023
14:32
29 Sep
2023
10:51
0061pH7.837.77.77.677.837.787.697.667.647.68
0076Temperature of Water°C18.710.98.69.6162018.420.718
0077Conductivity at 25 Cμs/cm119297692482911811272106412131186
0085BOD : 5 Day ATUmg/l1.4< 3
0111Ammoniacal Nitrogen as Nmg/l0.0990.450.580.30.390.2
0116Nitrogen, Total Oxidised as Nmg/l5.62.80.992.74.15.5
0117Nitrate as Nmg/l5.542.620.852.553.935.38
0118Nitrite as Nmg/l0.0640.180.140.150.170.12
0119Ammonia un-ionised as Nmg/l0.001190.007750.01090.004690.00690.00318
0162Alkalinity to pH 4.5 as CaCO3mg/l230260270240270250
0180Orthophosphate, reactive as Pmg/l0.150.610.670.340.451.3
0235Magnesium, Dissolvedmg/l1212109.4
0239Calcium, Dissolvedmg/l127120130120
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l7.427.176.9
6460Iron, Dissolvedμg/l< 3061< 30< 30
9901Oxygen, Dissolved, % Saturation%42.271.381.281.266.156.24351.157.3
9924Oxygen, Dissolved as O2mg/l3.937.869.469.246.515.14.034.575.41