sampling point
Maidenhead Ditch At Hibbert Road, Bray

Description	MAIDENHEAD DITCH AT HIBBERT ROAD, BRAY
Sampling point ID	TH-PTHR0038
Type	Freshwater – Rivers
Status	open
Location	easting northing: 489800 179700 lat lon: 51.509099, -0.70743
Area	West Thames
Sub-Area	L&W South Wt
Summary	121 samples taken between 2024 and 2000

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.

32 determinands have been measured at this site

4-nonPhenol
Action taken
Alky pH 4.5
Ammonia(N)
AmoniaTotYSI
BOD ATU
Cd Filtered
Chloride Ion
Cond @ 25C
Cr- Filtered
Cu Filtered
Fe- Filt
Mn- Filtered
N Oxidised
NH3 un-ion
Ni- Filtered
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Pb Filtered
SI-GQA
Temp Water
TriBT Cation
Triclosan
Type of Flow
Zn- Filtered
pH
pH in-situ
ptOctylPheno

Displaying the twenty most recent samples. You can see all 121 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Nov 2016 to 23 Jul 2024

Notation	Determinand	Units	10 Nov 2016 10:33	1 Dec 2016 12:17	12 Jan 2017 10:45	3 Feb 2017 12:15	10 Mar 2017 11:41	12 Apr 2017 12:06	8 Jun 2017 16:25	12 Jul 2017 14:31	24 Jun 2024 10:02	23 Jul 2024 10:44
0061	pH		7.68	7.57		7.61	7.69	7.78	7.65	7.72	7.39	7.52
0076	Temperature of Water	°C	9.6	8.7		10.4	11.8	13.7	16.3	18.2	17.7	18.2
0077	Conductivity at 25 C	μs/cm	766	1049		902	932	987	941	881	941	964
0085	BOD : 5 Day ATU	mg/l									< 3	< 4
0111	Ammoniacal Nitrogen as N	mg/l	0.495	0.197		0.111	0.141	0.081	0.104	1.01	0.22	0.23
0116	Nitrogen, Total Oxidised as N	mg/l	6.58	11.5		7.14	6.92	8.95	7.95	5.12	9.6	10
0117	Nitrate as N	mg/l	6.46	11.5		7.11	6.89	8.94	7.92	5.05	9.45	9.88
0118	Nitrite as N	mg/l	0.121	0.0336		0.0269	0.0252	0.0135	0.0304	0.069	0.15	0.12
0119	Ammonia un-ionised as N	mg/l	0.00424	0.00123		0.00086	0.00145	0.00118	0.00136	0.0178	0.00177	0.00258
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	191	253		251	262	254	251	218	260	260
0180	Orthophosphate, reactive as P	mg/l	0.844	0.701		0.348	0.113	0.286	0.709	1.57	0.63	1
8944	Tributyl Tin as Cation	μg/l	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002
9901	Oxygen, Dissolved, % Saturation	%	54.4	62.4		75.9	84	80.8	62.6	65.7	44.8	43.5
9924	Oxygen, Dissolved as O2	mg/l	6.19	7.25		8.47	9.07	8.36	6.12	6.18	4.26	4.09

Samples from 18 Jan 2016 to 20 Oct 2016

Notation	Determinand	Units	18 Jan 2016 11:49	19 Feb 2016 10:14	15 Mar 2016 09:51	12 Apr 2016 11:52	3 May 2016 11:53	3 Jun 2016 14:00	18 Jul 2016 10:53	8 Aug 2016 12:53	27 Sep 2016 09:54	20 Oct 2016 15:00
0061	pH		7.6		7.66	7.9	7.78		7.72	7.77	7.47
0076	Temperature of Water	°C	9.4		9.7	13.4	14.2		18.4	18.4	15.7
0077	Conductivity at 25 C	μs/cm	928		888	951	985		985	1095	1029
0111	Ammoniacal Nitrogen as N	mg/l	0.212		0.226	0.158	0.157		0.331	0.137	0.246
0116	Nitrogen, Total Oxidised as N	mg/l	7.25		5.87	4.33	5.62		4.65	6.55	5.68
0117	Nitrate as N	mg/l	7.23		5.85	4.28	5.59		4.52	6.51	5.63
0118	Nitrite as N	mg/l	0.0211		0.0164	0.0529	0.0315		0.133	0.041	0.0529
0119	Ammonia un-ionised as N	mg/l	0.00149		0.00186	0.00295	0.00237		0.00593	0.00275	0.00205
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	247		243	268	268		278	277	277
0180	Orthophosphate, reactive as P	mg/l	0.169		0.262	0.112	0.106		0.525	1.19	0.527
5889	Triclosan	μg/l	0.024	0.0195	0.0176
8944	Tributyl Tin as Cation	μg/l	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002
9190	4-Nonylphenol Branched	μg/l	< 0.04	< 0.04	< 0.04
9901	Oxygen, Dissolved, % Saturation	%	63.6		74.2	84.1	93		62.1	66	46.6
9924	Oxygen, Dissolved as O2	mg/l	7.27		8.42	8.76	9.52		5.82	6.18	4.62

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sampling point Maidenhead Ditch At Hibbert Road, Bray

Determinands

Sampling results

Samples from 10 Nov 2016 to 23 Jul 2024

Samples from 18 Jan 2016 to 20 Oct 2016

sampling point
Maidenhead Ditch At Hibbert Road, Bray