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sampling point
Gores Brook At Horseshoe Sluice

Description GORES BROOK AT HORSESHOE SLUICE
Sampling point ID TH-PTNR0010
Type Freshwater – Unspecified
Status open
Location easting northing: 548041 182211
lat lon: 51.519418, 0.132333
Area Hertfordshire And North London
Sub-Area L&W Herts & North London
Summary 185 samples taken between 2020 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.

106 determinands have been measured at this site
  • 1,1,1-TCA
  • 112TCEthan
  • 2,4-D
  • 2,4-D be
  • 2,4-D bge
  • 2,4-D ioe
  • 2,4-D m e
  • 2-CHLORO-4-N
  • 2-CHLORO-6-N
  • 24Dichloropl
  • 2Chlorophenl
  • 4-nonPhenol
  • 4Cl2Ntoluene
  • 4Cl3MePhenol
  • 4Cl3NToluene
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • Arsenic - As
  • As-Filtered
  • Atrazine
  • Azinphos Myl
  • B-[a]-pyrene
  • B-[b]-fluora
  • B-[ghi]-pery
  • B-[k]-fluora
  • BOD ATU
  • Bentazone
  • Benzene
  • Biphenyl
  • Boron - as B
  • C - Org Filt
  • Ca Filtered
  • Cadmium - Cd
  • Calcium - Ca
  • Cd Filtered
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu BLM Bio
  • Cu Filtered
  • Cyfluthrin
  • DEHP
  • DemetonSMyl
  • Dichlorvos
  • Dimethoate
  • EndosulphanA
  • EndosulphanB
  • Fe- Filt
  • Fenitrothion
  • Flucofuron
  • Fluoranthene
  • Hardness
  • Ind123pyrene
  • Iron - as Fe
  • Lead - as Pb
  • Linuron
  • Magnesium-Mg
  • Malathion
  • Mecoprop
  • Mevinphos
  • Mn BLM Bio
  • Mn- Filtered
  • N Oxidised
  • NH3 un-ion
  • Naphthalene
  • Ni BLM Bio
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • PCSDs
  • Pb BLM Bio
  • Pb Filtered
  • Permethrn-Tr
  • Permethrn-cs
  • SI-BT
  • SI-EC-CD
  • SI-GQA
  • SI-LIST2
  • SiO2 Rv
  • Simazine
  • Sld Sus@105C
  • SulcofuronNa
  • Temp Water
  • Toluene
  • TriBT Cation
  • TriPT Cation
  • Triazophos
  • Triclosan
  • Trifluralin
  • Type of Flow
  • Vanadium - V
  • Xylene Tot
  • Zinc - as Zn
  • Zn BLM Bio
  • Zn- Filtered
  • m-p-Xylene
  • o-Xylene
  • pH
  • ptOctylPheno

Sampling results

Displaying the twenty most recent samples. You can see all 185 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 23 Jul 2019 to 6 Mar 2020

NotationDeterminandUnits23 Jul
2019
12:30
30 Jul
2019
11:55
16 Aug
2019
12:58
4 Sep
2019
11:15
25 Oct
2019
13:17
11 Nov
2019
11:57
17 Dec
2019
12:31
21 Jan
2020
13:18
24 Feb
2020
13:27
6 Mar
2020
11:38
0061pH7.27.347.337.547.567.427.547.427.357.86
0076Temperature of Water°C20.718.517.116.912.79.38.74.812.28.5
0077Conductivity at 25 Cμs/cm315023661380223777883089218131364460
0111Ammoniacal Nitrogen as Nmg/l6.54.92.46.41.11.940.593.31.90.43
0116Nitrogen, Total Oxidised as Nmg/l0.38< 0.2< 0.20.490.660.942.22.53.51.5
0117Nitrate as Nmg/l0.3380.1890.1830.4270.5870.8532.092.343.31.45
0118Nitrite as Nmg/l0.0420.01110.0170.0630.0730.08720.110.160.20.048
0119Ammonia un-ionised as Nmg/l0.04220.03730.01610.06820.0090.008960.003430.01090.009270.00511
0162Alkalinity to pH 4.5 as CaCO3mg/l31026819034015018915032027092
0180Orthophosphate, reactive as Pmg/l0.220.5650.60.930.240.2280.160.190.180.078
9901Oxygen, Dissolved, % Saturation%42.430.236.530.321.844.238.838.758.461.5
9924Oxygen, Dissolved as O2mg/l3.792.823.512.932.315.064.514.966.257.18

Samples from 20 Mar 2017 to 30 May 2019

NotationDeterminandUnits20 Mar
2017
12:02
17 May
2017
14:34
31 May
2017
14:26
13 Jun
2017
12:16
31 Jul
2017
10:07
22 Aug
2017
12:15
5 Oct
2017
14:14
19 Oct
2017
14:42
30 Apr
2019
12:35
30 May
2019
12:29
0061pH7.187.377.357.337.277.647.46
0076Temperature of Water°C11.91718.81916.912.618.2
0077Conductivity at 25 Cμs/cm38593331973304678719312008
0111Ammoniacal Nitrogen as Nmg/l3.40.3713.794.731.255.835.18
0116Nitrogen, Total Oxidised as Nmg/l2.950.96< 0.20.420.40.76< 0.2
0117Nitrate as Nmg/l2.750.8720.1290.3240.3140.692< 0.196
0118Nitrite as Nmg/l0.1980.08810.07130.09560.08590.0682< 0.004
0119Ammonia un-ionised as Nmg/l0.0110.00270.03020.03650.007190.05680.0507
0162Alkalinity to pH 4.5 as CaCO3mg/l35371296343152361349
0180Orthophosphate, reactive as Pmg/l0.5040.1790.5970.6111.090.8061.6
0714Benzo(g,h,i)Peryleneμg/l0.000280.000730.001010.001140.00118
0731Benzo(b)Fluorantheneμg/l0.000290.000520.001210.001610.0017
0733Benzo(k)Fluorantheneμg/l0.000120.000210.000480.000550.00061
0736Fluorantheneμg/l0.000420.000990.000710.009720.0169
0746Indeno(1,2,3-cd)pyreneμg/l0.000130.000570.00060.000820.00085
6399Benzo(a)Pyreneμg/l0.000170.001280.000460.000650.000380.00092
9901Oxygen, Dissolved, % Saturation%52.223.3284414.728.39.8
9924Oxygen, Dissolved as O2mg/l5.632.252.64.071.4230.922