sampling point
Coldron Brook Above Evenlode

Description	COLDRON BROOK ABOVE EVENLODE
Sampling point ID	TH-PEVR0030
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 434200 220500 lat lon: 51.882013, -1.504542
Area	West Thames
Sub-Area	L&W North Wt
Summary	26 samples taken between 2024 and 2013

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.

13 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH

Displaying the twenty most recent samples. You can see all 26 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 1 May 2015 to 27 Jun 2024

Notation	Determinand	Units	1 May 2015 11:24	17 Nov 2015 11:01	9 Dec 2015 14:41	16 Dec 2015 12:20	31 Mar 2016 13:52	21 Jun 2016 14:49	8 Sep 2016 14:43	15 Dec 2016 10:26	19 Jan 2017 13:03	27 Jun 2024 14:45
0061	pH		8.24	7.73	8.15	8.37	8.19	8.21	8.28	8.07	8.24	8.12
0076	Temperature of Water	°C	7.9	10.9	8.4	11.5	8.6	14.2	15.5	7.8	5.5	16
0077	Conductivity at 25 C	μs/cm	575	620	597	617	580	606	569	609	603	561
0085	BOD : 5 Day ATU	mg/l										1.2
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.031	< 0.03	< 0.03	< 0.03	0.044
0116	Nitrogen, Total Oxidised as N	mg/l	9.49	6.18	9.78	8.55	9.8	7.66	8.07	8.7	9.47	11
0117	Nitrate as N	mg/l	9.48	6.17	9.76	8.54	9.79	7.64	8.06	8.69	9.46	11
0118	Nitrite as N	mg/l	0.0113	0.0088	0.0195	0.0098	0.0071	0.0238	0.014	0.0107	0.0079	0.019
0119	Ammonia un-ionised as N	mg/l	< 0.00047	< 0.00032	< 0.00049	< 0.00061	< 0.00049	0.00077	< 0.00082	< 0.00047	< 0.00039	0.00124
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	218	227	220	221	216	223	213	231	229	210
0180	Orthophosphate, reactive as P	mg/l	0.033	0.08	0.016	0.043	0.027	0.058	0.073	0.034	0.02	0.045
9901	Oxygen, Dissolved, % Saturation	%	98.7	75.9	96.2	94.2	98.4	91.2	94.6	89.4	92.4	94.4
9924	Oxygen, Dissolved as O2	mg/l	11.7	8.37	11.3	10.2	11.5	9.33	9.41	10.6	11.6	9.29

Samples from 3 Oct 2013 to 16 Oct 2014

Notation	Determinand	Units	3 Oct 2013 09:13	8 Nov 2013 16:03	10 Dec 2013 10:22	12 Dec 2013 08:29	21 Jan 2014 12:56	14 Feb 2014 08:52	27 Mar 2014 08:59	24 Apr 2014 12:53	6 Aug 2014 13:30	16 Oct 2014 10:38
0061	pH		8.22	8.12	8.27	8.22	8.11	8.2	8.25	8.18	8.17	8.06
0076	Temperature of Water	°C	14.3	9.1	6.7	5.4	7.2	6.1	6.6	10.2	16.7	11.7
0077	Conductivity at 25 C	μs/cm	577	616	597	602	574	569	586	592	553.8	599
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	9.21	8.61	10.6	10.4	11.7	11.6	10.1	9.48	7.78	6.39
0117	Nitrate as N	mg/l	9.2	8.6	10.6	10.4	11.7	11.6	10.1	9.47	7.77	6.38
0118	Nitrite as N	mg/l	0.0082	0.0095	0.0066	0.0069	0.0046	0.0046	0.0055	0.0098	0.0112	0.0087
0119	Ammonia un-ionised as N	mg/l	< 0.00075	< 0.00051	< 0.00043	< 0.00039	< 0.00045	< 0.00041	< 0.00043	< 0.00056	< 0.00089	< 0.00062
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	200	221	216	215	212	210	230	216	199	201
0180	Orthophosphate, reactive as P	mg/l	0.095	0.031	0.03	0.033	0.027	0.023	0.023	0.023	0.085	0.057
9901	Oxygen, Dissolved, % Saturation	%	85	77.6	95	90	79.7	88	93	93	89.4	87
9924	Oxygen, Dissolved as O2	mg/l	8.68	8.93	11.6	11.4	9.61	10.9	11.4	10.4	8.67	9.42

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sampling point Coldron Brook Above Evenlode

Determinands

Sampling results

Samples from 1 May 2015 to 27 Jun 2024

Samples from 3 Oct 2013 to 16 Oct 2014

sampling point
Coldron Brook Above Evenlode