sampling point
Chad Bk.Bridge Street A134 Bridge

Description	CHAD BK.BRIDGE STREET A134 BRIDGE
Sampling point ID	AN-CD0125
Type	Freshwater – Rivers
Status	open
Location	easting northing: 587863 249172 lat lon: 52.108953, 0.741944
Area	Essex Norfolk And Suffolk
Sub-Area	Norfolk & Suffolk Team Sub Area
Summary	215 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.

19 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
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 215 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 8 Jun 2023 to 5 Mar 2024

Notation	Determinand	Units	8 Jun 2023 15:24	13 Jul 2023 09:12	29 Aug 2023 14:57	25 Sep 2023 11:33	10 Oct 2023 13:44	6 Nov 2023 13:06	7 Dec 2023 12:58	4 Jan 2024 11:50	2 Feb 2024 10:57	5 Mar 2024 13:22
0061	pH		8.13	7.53	7.79	7.58	7.6	8.16	8.16	8.17	8.17	8.3
0076	Temperature of Water	°C	15	14.6	14.3	16.6	15.1	10.2	5.6	7.8	6.3	7.2
0077	Conductivity at 25 C	μs/cm	914	857	946	851	928	678	720	650	785	711
0085	BOD : 5 Day ATU	mg/l	1.7	< 3	1	< 2	2.2	< 1	1.5	1.1	1.3	< 2
0111	Ammoniacal Nitrogen as N	mg/l	0.055	0.31	0.39	0.24	0.28	< 0.03	< 0.03	< 0.03	0.097	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	12	5.8	7.3	7.9	7.2	8.3	8.4	6.7	7.2	5.6
0117	Nitrate as N	mg/l	11.9	5.67	7.2	7.76	7.12	8.29	8.39	6.69	7.17	5.59
0118	Nitrite as N	mg/l	0.13	0.13	0.097	0.14	0.084	0.013	0.011	0.0098	0.026	0.014
0119	Ammonia un-ionised as N	mg/l	0.00144	0.00273	0.00606	0.00274	0.003	< 0.00056	< 0.0004	< 0.00047	0.00135	< 0.00045
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	270	280	290	270	290	280	300	270	310	290
0180	Orthophosphate, reactive as P	mg/l	0.13	0.26	0.3	0.32	0.32	0.046	0.042	0.054	0.11	0.048
9901	Oxygen, Dissolved, % Saturation	%	102.8	56.8	92.7	77.6	79.2	96	95.6	96.9	97.6	98.6
9924	Oxygen, Dissolved as O2	mg/l	10.3	5.76	9.47	7.54	7.95	10.8	12	11.5	12	11.9

Samples from 8 Aug 2022 to 11 May 2023

Notation	Determinand	Units	8 Aug 2022 10:01	23 Sep 2022 11:28	7 Oct 2022 14:18	3 Nov 2022 11:37	2 Dec 2022 09:44	24 Jan 2023 12:14	7 Feb 2023 10:50	2 Mar 2023 12:13	5 Apr 2023 14:10	11 May 2023 11:09
0061	pH		7.73	7.7	7.66	7.52	8.08	8.24	8.14	8.22	8.37	8.39
0076	Temperature of Water	°C	17	13.8	13.4	11.3	7.3	3.3	3.2	5.6	7.7	13.7
0077	Conductivity at 25 C	μs/cm	846	873	1005	932	750	789	808	824	717	717
0085	BOD : 5 Day ATU	mg/l									1.6	1.4
0111	Ammoniacal Nitrogen as N	mg/l	0.38	0.22	0.13	0.22	< 0.03		< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.4	3.4	9.5	7.8	22		13	13	10	9
0117	Nitrate as N	mg/l	2.34	3.32	9.32	7.61	22		13	13	9.98	8.94
0118	Nitrite as N	mg/l	0.063	0.081	0.18	0.19	0.028		0.0095	0.017	0.016	0.056
0119	Ammonia un-ionised as N	mg/l	0.00629	0.00269	0.00141	0.00148	< 0.00045		< 0.00033	< 0.0004	< 0.00046	< 0.00072
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	320	310	290	220	210		240	240	270	290
0180	Orthophosphate, reactive as P	mg/l	0.2	0.2	0.32	0.34	0.049		0.051	0.052	0.027	0.04
9901	Oxygen, Dissolved, % Saturation	%	57.7	67.8	82.8	60.2	85.1	92	96.3	113.1	111.1	109.4
9924	Oxygen, Dissolved as O2	mg/l	5.56	7	8.63	6.58	10.2	12.3	12.9	14.2	13.2	11.3

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sampling point Chad Bk.Bridge Street A134 Bridge

Determinands

Sampling results

Samples from 8 Jun 2023 to 5 Mar 2024

Samples from 8 Aug 2022 to 11 May 2023

sampling point
Chad Bk.Bridge Street A134 Bridge