sampling point
Lavenham Bk.A1141 D/S Bridge Farm

Description	LAVENHAM BK.A1141 D/S BRIDGE FARM
Sampling point ID	AN-BT0218
Type	Freshwater – Rivers
Status	open
Location	easting northing: 593351 248304 lat lon: 52.099269, 0.821489
Area	Essex Norfolk And Suffolk
Sub-Area	Norfolk & Suffolk Team Sub Area
Summary	148 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.

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

Samples from 6 Jun 2023 to 5 Mar 2024

Notation	Determinand	Units	6 Jun 2023 13:40	13 Jul 2023 08:42	30 Aug 2023 12:54	22 Sep 2023 11:21	10 Oct 2023 13:16	6 Nov 2023 13:37	7 Dec 2023 12:40	4 Jan 2024 11:34	2 Feb 2024 11:28	5 Mar 2024 13:07
0061	pH		7.86	7.49	7.69	7.89	7.62	8.11	8.14	8.12	8.22	8.25
0076	Temperature of Water	°C	12.9	14.8	14.1	14.3	14.9	10.5	5.6	7.9	6.6	7.7
0077	Conductivity at 25 C	μs/cm	1041	1071	1073	743	973	738	782	680	832	770
0085	BOD : 5 Day ATU	mg/l	< 1	1	1.7	1.5	< 4	< 1	1.6	1.2	1.3	1.7
0111	Ammoniacal Nitrogen as N	mg/l	0.054	0.067	< 0.03	< 0.03	0.036	< 0.03	< 0.03	0.084	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	8.4	9.9	11	5.6	6.9	8.3	9.1	6.8	7.7	6.6
0117	Nitrate as N	mg/l	8.33	9.85	11	5.59	6.87	8.27	9.08	6.77	7.69	6.58
0118	Nitrite as N	mg/l	0.071	0.055	0.018	0.0097	0.029	0.032	0.016	0.033	0.012	0.016
0119	Ammonia un-ionised as N	mg/l	0.00089	0.00055	< 0.00037	< 0.00058	0.0004	< 0.00057	< 0.0004	0.00131	< 0.00043	< 0.00046
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	290	260	240	240	310	290	300	280	310	310
0180	Orthophosphate, reactive as P	mg/l	0.085	0.11	0.1	0.2	0.22	0.087	0.09	0.09	0.12	0.077
9901	Oxygen, Dissolved, % Saturation	%	86.8	58.5	92.6	77.6	65.5	95.1	96.2	95.4	98.6	98.1
9924	Oxygen, Dissolved as O2	mg/l	9.14	5.91	9.5	7.92	6.6	10.6	12.1	11.3	12.1	11.7

Samples from 5 May 2021 to 19 May 2023

Notation	Determinand	Units	5 May 2021 09:38	9 Jun 2021 09:43	13 Jul 2021 10:33	20 Aug 2021 11:30	30 Sep 2021 11:42	19 Oct 2021 10:10	1 Nov 2021 12:37	3 Dec 2021 10:33	28 Apr 2023 10:58	19 May 2023 14:11
0061	pH		7.89	7.72	7.71	7.59	8.06	8.11	8.16	8.35	8.29	8.25
0076	Temperature of Water	°C	7.9	15.4	15.9	15.5	11.1	13.2	9.9	4.5	10.3	12.4
0077	Conductivity at 25 C	μs/cm	834	929	974	1079	776	947	837	817	817	834
0085	BOD : 5 Day ATU	mg/l									1.4	1.1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.043	0.043	0.035	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	8.5	6.7	7.2	9.1	4.6	7.2	5.8	9	8.1	7
0117	Nitrate as N	mg/l	8.47	6.61	7.17	9.08	4.59	7.19	5.79	8.98	8.08	6.97
0118	Nitrite as N	mg/l	0.034	0.087	0.029	0.018	0.007	0.01	0.0068	0.016	0.019	0.027
0119	Ammonia un-ionised as N	mg/l	< 0.00037	0.00062	0.00063	0.00038	< 0.00059	< 0.00069	< 0.00054	< 0.00037	< 0.00056	< 0.00065
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	230	270	270	270	270	300	330	300	240	290
0180	Orthophosphate, reactive as P	mg/l	0.032	0.15	0.29	0.13	0.23	0.11	0.13	0.075	< 0.01	0.038
9901	Oxygen, Dissolved, % Saturation	%	87.9	70.3	67.1	77.9	81	69	75.1	94.1	94	111.2
9924	Oxygen, Dissolved as O2	mg/l	10.4	7.01	6.62	7.75	8.89	7.22	8.48	12.2	10.5	11.8

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sampling point Lavenham Bk.A1141 D/S Bridge Farm

Determinands

Sampling results

Samples from 6 Jun 2023 to 5 Mar 2024

Samples from 5 May 2021 to 19 May 2023

sampling point
Lavenham Bk.A1141 D/S Bridge Farm