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sampling point
Grom D/S Tunbridge Wells S Stw

Description DOWNSTREAM TUNBRIDGE WELLS SOUTH SEWAGE WORKS RIVER GROM
Sampling point ID SO-E0000936
Type Freshwater – Rivers
Status open
Location easting northing: 552420 137455
lat lon: 51.116115, 0.176281
Area Kent And South London
Sub-Area L&W Kent And East Sussex Ksl
Summary 226 samples taken between 2023 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.

43 determinands have been measured at this site
  • 17alpha EE2
  • 17beta E2
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • C - Org Filt
  • COD as O2
  • COPA
  • Ca Filtered
  • Calcium - Ca
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • Fe- Filt
  • Hardness
  • MR Screen
  • Magnesium-Mg
  • Mg Filtered
  • Mn BLM Bio
  • Mn- Filtered
  • N Oxidised
  • NATGRIDREF
  • NH3 un-ion
  • NO FLOW/SAMP
  • Ni- Filtered
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • OestroneE1
  • Orthophospht
  • Oxygen Diss
  • PFOS
  • Pb Filtered
  • Sld Sus@105C
  • Temp Water
  • TurbidityNTU
  • Zinc - as Zn
  • Zn- Filtered
  • pFoctanoate
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 226 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 8 Jun 2022 to 6 Mar 2023

NotationDeterminandUnits 8 Jun
2022
13:41
14 Jul
2022
10:25
18 Aug
2022
08:52
21 Sep
2022
15:45
12 Oct
2022
09:32
3 Nov
2022
14:23
1 Dec
2022
13:57
17 Jan
2023
11:31
3 Feb
2023
10:23
6 Mar
2023
13:06
0061pH7.347.377.037.487.257.067.257.397.357.26
0076Temperature of Water°C1719.618.117.812.112.610.35.99.69
0077Conductivity at 25 Cμs/cm509815514789678213392315459548
0111Ammoniacal Nitrogen as Nmg/l0.0870.0680.250.0310.20.28< 0.030.670.0440.058
0116Nitrogen, Total Oxidised as Nmg/l13271326212.27.43.27.89.6
0117Nitrate as Nmg/l1326.91326212.187.393.187.789.59
0118Nitrite as Nmg/l0.0260.0980.0380.00490.0210.020.00760.0190.0160.013
0119Ammonia un-ionised as Nmg/l0.000590.00060.000910.000310.000770.00072< 0.00010.002240.000180.00018
0162Alkalinity to pH 4.5 as CaCO3mg/l50475560524553524847
0180Orthophosphate, reactive as Pmg/l0.571.60.720.740.620.0820.20.130.680.66
6396Turbidityntu31.56.11.63.1
9901Oxygen, Dissolved, % Saturation%87.690.282.689.484.888.186.891.595.6103.5
9924Oxygen, Dissolved as O2mg/l8.448.257.788.489.19.349.7111.410.911.9

Samples from 2 Aug 2019 to 16 May 2022

NotationDeterminandUnits 2 Aug
2019
08:45
9 Sep
2019
13:17
3 Oct
2019
14:06
11 Nov
2019
15:13
16 Dec
2019
10:14
9 Jan
2020
09:12
5 Feb
2020
12:34
6 Mar
2020
12:22
8 Apr
2022
10:38
16 May
2022
10:48
0061pH7.477.617.977.537.617.127.557.26.977.17
0076Temperature of Water°C18.915.814.4108.510.88.47.69.815.9
0077Conductivity at 25 Cμs/cm714655560370346425379273503550
0111Ammoniacal Nitrogen as Nmg/l0.0370.150.047< 0.032.70.140.0551.30.0710.23
0116Nitrogen, Total Oxidised as Nmg/l2117155.73.27.57.22.21314
0117Nitrate as Nmg/l2117155.693.117.477.192.1812.913.9
0118Nitrite as Nmg/l0.0130.0290.00850.006420.0890.0280.0090.0220.0880.067
0119Ammonia un-ionised as Nmg/l0.000390.001730.0011< 0.000190.01810.000360.000320.003190.000120.00098
0162Alkalinity to pH 4.5 as CaCO3mg/l51525557694744553053
0180Orthophosphate, reactive as Pmg/l0.730.710.510.2390.430.390.420.260.861.3
0235Magnesium, Dissolvedmg/l6.13.84.4
0239Calcium, Dissolvedmg/l302928
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l5.47.616.2
6396Turbidityntu1.86.3
6460Iron, Dissolvedμg/l210290340
9901Oxygen, Dissolved, % Saturation%8484.291.89389.391.496.590.49982.3
9924Oxygen, Dissolved as O2mg/l7.798.329.3510.510.410.111.310.811.28.12