sampling point
Bledington Brook Above Evenlode

Description	BLEDINGTON BROOK ABOVE EVENLODE
Sampling point ID	TH-PEVR0033
Type	Freshwater – Rivers
Status	open
Location	easting northing: 425056 222906 lat lon: 51.904129, -1.637208
Area	West Thames
Sub-Area	L&W North Wt
Summary	149 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.

18 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Chloride Ion
Cond @ 25C
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 149 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 16 Oct 2019 to 27 Jun 2024

Notation	Determinand	Units	16 Oct 2019 11:35	30 Oct 2019 08:42	20 Nov 2019 11:34	28 Nov 2019 11:59	12 Dec 2019 09:45	15 Jan 2020 12:17	31 Jan 2020 12:58	14 Feb 2020 11:47	5 Mar 2020 10:30	27 Jun 2024 13:09
0061	pH		7.86	7.91	8.01	7.64	8.02	7.87	8.17	7.87	7.97	7.79
0076	Temperature of Water	°C	12.7	8.6	6.9	8.2	5.3	7.4	8.6	5.6	5.6	17
0077	Conductivity at 25 C	μs/cm	675	588	577	453	560	358	589	492	550	633
0085	BOD : 5 Day ATU	mg/l										< 3
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.032	< 0.03	0.032	< 0.03	0.052	0.05	0.033	0.038	0.041
0116	Nitrogen, Total Oxidised as N	mg/l	6.4	5.11	4.98	3.5	3.7	2.4	3.8	3.4	3.6	2.6
0117	Nitrate as N	mg/l	6.39	5.1	4.97	3.49	3.69	2.39	3.78	3.39	3.59	2.58
0118	Nitrite as N	mg/l	0.0079	0.0076	0.0088	0.011	0.01	0.0094	0.017	0.012	0.01	0.022
0119	Ammonia un-ionised as N	mg/l	< 0.00049	0.00043	< 0.00044	0.00023	< 0.00039	0.00058	0.00082	0.00032	0.00047	0.00078
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	210	240	236	200	220	170	240	200	220	260
0180	Orthophosphate, reactive as P	mg/l	0.25	0.039	0.042	0.074	0.041	0.059	0.046	0.066	0.049	0.036
9901	Oxygen, Dissolved, % Saturation	%	57.9	86.8	92.8	87.6	86.6	95.7	87.8	86.2	82.3	78.6
9924	Oxygen, Dissolved as O2	mg/l	6.13	10.1	11.3	10.3	11	11.5	10.2	10.8	10.3	7.58

Samples from 12 Aug 2016 to 26 Sep 2019

Notation	Determinand	Units	12 Aug 2016 15:00	31 Oct 2016 10:37	28 Nov 2016 12:04	9 Dec 2016 10:52	6 Feb 2017 12:22	28 Feb 2017 14:02	17 Mar 2017 10:37	27 Jun 2019 12:02	24 Jul 2019 11:34	26 Sep 2019 10:59
0061	pH		7.74	7.87	7.91	7.87	8.08	8.13	8.12	7.76	7.64	7.72
0076	Temperature of Water	°C	15.9	10.8	6.1	9.7	4.2	5.4	7.1	14.6	19.2	14.8
0077	Conductivity at 25 C	μs/cm	617	715	636	673	555	564	539	560	533	605
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.058	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.04	0.79	5.04	3.38	6.81	5.14	4.74	2.56	2.6	14
0117	Nitrate as N	mg/l	2.03	0.784	5.03	3.36	6.8	5.13	4.73	2.55	2.54	14
0118	Nitrite as N	mg/l	0.0051	0.0063	0.0105	0.0175	0.0077	0.011	0.011	0.0073	0.058	0.034
0119	Ammonia un-ionised as N	mg/l	< 0.00047	< 0.00043	< 0.00033	< 0.0004	< 0.00036	< 0.00039	< 0.00044	< 0.00045	0.00092	< 0.00041
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	232	260	217	242	185	198	213	223	200	170
0180	Orthophosphate, reactive as P	mg/l	0.029	0.014	0.036	0.035	0.04	0.026	0.029	0.079	0.1	0.053
9901	Oxygen, Dissolved, % Saturation	%	68.9	68.3	87.1	79.4	94	95.3	109.6	82.1	73.2	65
9924	Oxygen, Dissolved as O2	mg/l	6.8	7.55	10.8	9.01	12.2	12	13.3	8.33	6.75	6.57

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sampling point Bledington Brook Above Evenlode

Determinands

Sampling results

Samples from 16 Oct 2019 to 27 Jun 2024

Samples from 12 Aug 2016 to 26 Sep 2019

sampling point
Bledington Brook Above Evenlode