sampling point
Chediston W\C, Footbridge U\S Halesworth

Description	CHEDISTON WATERCOURSE, FOOTBRIDGE UPSTREAM OF HALESWORTH
Sampling point ID	AN-BLY008
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 638228 277536 lat lon: 52.344105, 1.496061
Area	Essex Norfolk And Suffolk
Sub-Area	Norfolk & Suffolk Team Sub Area
Summary	47 samples taken between 2017 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.

12 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
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 47 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 14 Mar 2016 to 14 Mar 2017

Notation	Determinand	Units	14 Mar 2016 13:08	13 Apr 2016 09:25	17 Jun 2016 09:04	25 Jul 2016 08:27	9 Aug 2016 15:14	14 Oct 2016 12:49	3 Nov 2016 14:14	10 Jan 2017 15:17	23 Feb 2017 10:53	14 Mar 2017 08:09
0061	pH		8.1	7.95	7.58	7.8	7.89	7.65	7.66	8.23	8.09	7.89
0076	Temperature of Water	°C	7.9	8.2	14	17.3	15.6	11.7	7.9	6.2	8.6	7.6
0077	Conductivity at 25 C	μs/cm	951	818	1012	874	1000	1109	1333	896	748	989
0111	Ammoniacal Nitrogen as N	mg/l	0.083	0.348	0.112	0.134	0.068	0.031	0.101	< 0.03	0.156	0.052
0116	Nitrogen, Total Oxidised as N	mg/l	5.75	14.6	2.75	1.43	1.78	1.67	1.53	15.9	7.91	8.77
0117	Nitrate as N	mg/l	5.73	14.4	2.68	1.38	1.76	1.64	1.5	15.9	7.86	8.74
0118	Nitrite as N	mg/l	0.018	0.181	0.0749	0.0547	0.0185	0.0324	0.0272	0.0188	0.0544	0.0291
0119	Ammonia un-ionised as N	mg/l	0.0013	0.00497	0.00106	0.00265	0.00146	0.00029	0.00073	< 0.00041	0.00257	0.00062
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	324	234	255	243	272	265	277	255	229	276
0180	Orthophosphate, reactive as P	mg/l	0.05	0.04	0.03	0.051	0.084	0.03	0.038	0.074	0.12	0.031
9901	Oxygen, Dissolved, % Saturation	%	102.9	92.7	77.3	54.1	77.3	44.5	55.9	103.2	89	85
9924	Oxygen, Dissolved as O2	mg/l	12.2	10.9	7.95	5.18	7.67	4.82	6.63	12.8	10.4	10.2

Samples from 8 Apr 2015 to 2 Feb 2016

Notation	Determinand	Units	8 Apr 2015 09:13	7 May 2015 11:34	8 Jun 2015 11:42	15 Jul 2015 08:40	10 Aug 2015 10:18	10 Sep 2015 11:03	13 Oct 2015 08:11	6 Nov 2015 08:43	3 Dec 2015 11:30	2 Feb 2016 08:57
0061	pH		7.46	7.4	7.82	7.69	7.78	7.89	7.59	7.82	7.92	8.17
0076	Temperature of Water	°C	8.3	12.4	13.5	16.5	16.9	13.4	8.4	12.5	10	6.6
0077	Conductivity at 25 C	μs/cm	1069	987	1016	999	1061	1080	1157	887	971	885
0111	Ammoniacal Nitrogen as N	mg/l	0.057	0.047	0.105	0.285	0.08	0.103	< 0.03	< 0.03	0.051	0.062
0116	Nitrogen, Total Oxidised as N	mg/l	2.85	3.07	1.13	0.2	0.66	1.53	1.49	10.4	13.7	7.29
0117	Nitrate as N	mg/l	2.82	3.02	1.08	0.161	0.629	1.51	1.47	10.4	13.7	7.27
0118	Nitrite as N	mg/l	0.026	0.0512	0.0506	0.0395	0.0312	0.018	0.0237	0.0303	0.0475	0.0241
0119	Ammonia un-ionised as N	mg/l	0.00027	0.00026	0.00165	0.00415	0.00147	0.00188	< 0.00019	< 0.00044	0.00078	0.00088
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	249	225	257	284	281	268	275	259	298	307
0180	Orthophosphate, reactive as P	mg/l	0.022	0.016	0.014	0.015	0.039	0.044	0.014	0.135	0.078	0.062
9901	Oxygen, Dissolved, % Saturation	%	86.9	109.8	77.8	41.5	65.5	71.5	73.5	73.5	84.6	91.6
9924	Oxygen, Dissolved as O2	mg/l	10.2	11.7	8.09	4.04	6.33	7.45	8.61	7.81	9.53	11.2

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sampling point Chediston W\C, Footbridge U\S Halesworth

Determinands

Sampling results

Samples from 14 Mar 2016 to 14 Mar 2017

Samples from 8 Apr 2015 to 2 Feb 2016

sampling point
Chediston W\C, Footbridge U\S Halesworth