sampling point
Chad Bk.A134 Br.Long Melford

Description	CHAD BK.A134 BR.LONG MELFORD
Sampling point ID	AN-CD0106
Type	Freshwater – Rivers
Status	open
Location	easting northing: 586508 245973 lat lon: 52.080683, 0.720432
Area	Essex Norfolk And Suffolk
Sub-Area	Norfolk & Suffolk Team Sub Area
Summary	122 samples taken between 2021 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.

20 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
Chloride Ion
Cond @ 20C
Cond @ 25C
N Inorganic
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
Turbidity
TurbidityNTU
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 122 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 6 Feb 2020 to 7 Dec 2021

Notation	Determinand	Units	6 Feb 2020 09:22	3 Mar 2020 11:46	5 May 2021 10:20	9 Jun 2021 10:23	9 Jul 2021 09:35	9 Aug 2021 10:19	15 Sep 2021 09:25	12 Oct 2021 10:36	3 Nov 2021 08:55	7 Dec 2021 12:10
0061	pH		7.92	8.06	7.99	7.88	7.88	8.04	7.96	7.78	8.09	8.15
0076	Temperature of Water	°C	4.9	5.5	9.3	15.7	15.1	14.1	14.1	11	6.7	5.1
0077	Conductivity at 25 C	μs/cm	845	758	869	854	884	894	897	857	834	679
0085	BOD : 5 Day ATU	mg/l	1.4	1.1
0111	Ammoniacal Nitrogen as N	mg/l	0.034	< 0.03	< 0.03	0.087	0.047	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	8.6	9.8	4.8	4.1	5.5	3.8	4.2	6.1	5.5	12
0117	Nitrate as N	mg/l	8.58	9.79	4.78	4.05	5.46	3.78	4.19	6.08	5.48	12
0118	Nitrite as N	mg/l	0.017	0.015	0.024	0.055	0.037	0.016	0.0088	0.019	0.017	0.013
0119	Ammonia un-ionised as N	mg/l	0.00036	< 0.00039	< 0.00051	0.00184	0.00095	< 0.00074	< 0.00067	< 0.00036	< 0.00043	< 0.00038
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	300	280	290	300	290	310	320	300	300	240
0180	Orthophosphate, reactive as P	mg/l	0.051	0.039	< 0.01	0.047	0.07	0.052	0.05	0.049	0.04	0.044
9901	Oxygen, Dissolved, % Saturation	%	90	100.4	96.4	89.6	87.6	91.6	90.7	92.2	82.4	84.7
9924	Oxygen, Dissolved as O2	mg/l	11.5	12.6	11	8.88	8.79	9.4	9.3	10.1	10.1	10.8

Samples from 17 Apr 2019 to 7 Jan 2020

Notation	Determinand	Units	17 Apr 2019 10:58	3 May 2019 09:26	12 Jul 2019 13:23	17 Jul 2019 09:59	9 Aug 2019 10:24	13 Sep 2019 13:12	4 Oct 2019 10:38	12 Nov 2019 10:12	5 Dec 2019 09:56	7 Jan 2020 11:33
0061	pH		8.13	7.91	8.15	8.02	8		7.99	7.9	8.01	7.87
0076	Temperature of Water	°C	11	11.2	17.2	15.3	17.2		10.8	6.4	3.9	6.2
0077	Conductivity at 25 C	μs/cm	912	909	894	889	886		891	856	857	779
0085	BOD : 5 Day ATU	mg/l	1.53	1.17	< 1	< 1	< 1		< 1	1.05	1.3	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.063	0.037	0.034	< 0.03		< 0.03	< 0.03	0.053	0.035
0116	Nitrogen, Total Oxidised as N	mg/l	3.75	2.8	2.4	2.37	2.4		3	6.73	12	12
0117	Nitrate as N	mg/l	3.73	2.77	2.39	2.36	2.39		2.99	6.72	12	12
0118	Nitrite as N	mg/l	0.0171	0.0284	0.015	0.0123	0.012		0.0097	0.0139	0.027	0.022
0119	Ammonia un-ionised as N	mg/l	< 0.00059	0.00102	0.00114	0.00091	< 0.00092		< 0.00057	< 0.00033	0.00062	0.00036
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	302	300	320	323	320		310	290	280	270
0180	Orthophosphate, reactive as P	mg/l	0.02	0.024	0.085	0.072	0.068		0.061	0.183	0.11	0.083
7668	No flow /No sample							0
9901	Oxygen, Dissolved, % Saturation	%	107	88.2	96.8	91.7	88.1		83.9	81.9	85.4	107
9924	Oxygen, Dissolved as O2	mg/l	11.8	9.66	9.29	9.16	8.46		9.28	10.1	11.2	13.2

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sampling point Chad Bk.A134 Br.Long Melford

Determinands

Sampling results

Samples from 6 Feb 2020 to 7 Dec 2021

Samples from 17 Apr 2019 to 7 Jan 2020

sampling point
Chad Bk.A134 Br.Long Melford