sampling point
Thames At Castle Eaton

Description	THAMES AT CASTLE EATON
Sampling point ID	TH-PUTR0090
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 414449 195797 lat lon: 51.660767, -1.7925
Area	West Thames
Sub-Area	L&W North Wt
Summary	125 samples taken between 2010 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.

22 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOR A
CHLOROPHYLL
Chloride Ion
Cond @ 20C
Cond @ 25C
GCMS Semi-Q
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
SI-GQA
Temp Water
Type of Flow
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 125 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 25 Jun 2009 to 29 Mar 2010

Notation	Determinand	Units	25 Jun 2009 09:40	1 Aug 2009 12:50	14 Aug 2009 12:45	22 Sep 2009 10:35	26 Oct 2009 11:30	30 Nov 2009 10:50	19 Jan 2010 12:10	9 Feb 2010 13:50	3 Mar 2010 12:16	29 Mar 2010 13:00
0061	pH		8.07	7.81	8.26	8.12	8.01	7.88	7.89	8.15	8.04	8.05
0076	Temperature of Water	°C	17.14	16.93	18.2	14.71	12.69	6.72	6.28	5.57	5.81	10.07
0077	Conductivity at 25 C	μs/cm	847	805	820	882	806	533	609	335	633	653
0111	Ammoniacal Nitrogen as N	mg/l	0.041	0.208	0.038	< 0.03	< 0.03	0.204	< 0.03	0.034	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	8.36	7.46	7.46	8.46	7.74	5.33	6.49	6.86	6.29	5.96
0117	Nitrate as N	mg/l	8.33	7.39	7.44	8.45	7.73	5.3	6.47	6.84	6.27	5.95
0118	Nitrite as N	mg/l	0.0345	0.07	0.0245	0.0138	0.0146	0.0257	0.0212	0.0224	0.0164	0.0129
0119	Ammonia un-ionised as N	mg/l	0.00126	0.0041	0.00126	< 0.00077	< 0.00067	0.00223	< 0.00032	0.00045	< 0.0004	< 0.00055
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	213	187	199	204	191	184	191	226	222	225
0180	Orthophosphate, reactive as P	mg/l	0.431	0.261	0.178	0.21	0.249	0.146	0.068	0.086	0.062	0.079
9901	Oxygen, Dissolved, % Saturation	%	82.8	78.8	87.7	89.9	93.3	91	88.3	103	97.5	100.2
9924	Oxygen, Dissolved as O2	mg/l	7.96	7.61	8.25	9.1	9.88	11.1	10.9	12.9	12.2	11.3

Samples from 18 Sep 2008 to 27 May 2009

Notation	Determinand	Units	18 Sep 2008 10:41	22 Oct 2008 11:38	17 Nov 2008 10:40	4 Dec 2008 11:50	11 Jan 2009 11:00	13 Feb 2009 13:00	3 Mar 2009 11:31	3 Apr 2009 12:50	30 Apr 2009 10:59	27 May 2009 11:20
0061	pH		7.72	8.05	7.96	8.13	8.2	8.06	8.2	8.31	8.01	8.07
0076	Temperature of Water	°C	14.36	9.37	9.33	6.19	4.04	4.72	8.38	10.34	12.03	13.57
0077	Conductivity at 25 C	μs/cm	294	665	622	746	721	587	637	676	722	784
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.093	0.034	0.084	0.102	0.199	< 0.03	< 0.03	0.031	0.08
0116	Nitrogen, Total Oxidised as N	mg/l	5.72	5.65	5.26	6.55	7.86	4.55	7.35	6.8	5.66	7.04
0117	Nitrate as N	mg/l	5.71	5.63	5.24	6.52	7.82	4.51	7.34	6.78	5.64	7.01
0118	Nitrite as N	mg/l	0.0125	0.0247	0.0219	0.0316	0.037	0.0421	0.0136	0.0179	0.0157	0.0289
0119	Ammonia un-ionised as N	mg/l	< 0.0004	0.00162	0.00054	0.00116	0.0012	0.00246	< 0.00049	< 0.00056	0.00066	0.00189
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	224	206	221	228	218	203	203	205	208	212
0180	Orthophosphate, reactive as P	mg/l	0.081	0.135	0.093	0.101	0.135	0.083	0.047	0.087	0.187	0.434
9901	Oxygen, Dissolved, % Saturation	%	90.5	96.2	86	100.9	98.9	101.2	95.9	111.2	94.5	94.9
9924	Oxygen, Dissolved as O2	mg/l	9.23	11	9.85	12.5	12.9	13	11.2	12.4	10.2	9.85

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sampling point Thames At Castle Eaton

Determinands

Sampling results

Samples from 25 Jun 2009 to 29 Mar 2010

Samples from 18 Sep 2008 to 27 May 2009

sampling point
Thames At Castle Eaton