sampling point
R.Waveney Denmark Bridge

Description	R.WAVENEY DENMARK BRIDGE
Sampling point ID	AN-WAV020
Type	Freshwater – Rivers
Status	open
Location	easting northing: 611100 279400 lat lon: 52.371943, 1.099633
Area	Essex Norfolk And Suffolk
Sub-Area	Norfolk & Suffolk Team Sub Area
Summary	229 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.

26 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOR A
CHLOROPHYLL
COD as O2
Chloride Ion
Cond @ 20C
Cond @ 25C
HcarbonsFilt
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Phosphorus-P
SiO2 Rv
Sld Sus@105C
Temp Water
Turbidity
TurbidityNTU
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 229 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 19 Oct 2023 to 18 Jun 2024

Notation	Determinand	Units	19 Oct 2023 12:26	21 Nov 2023 12:36	6 Dec 2023 13:06	16 Jan 2024 11:23	19 Feb 2024 10:20	15 Mar 2024 12:48	16 Apr 2024 09:42	13 May 2024 11:04	18 Jun 2024 10:33	18 Jun 2024 10:34
0061	pH		7.31	7.48	7.78	7.49	7.71	7.42	7.55	7.47	7.44	7.44
0076	Temperature of Water	°C	12.7	10.1	3.5	2.1	9.3	11.8	9.3	15.1	15.2	15.3
0077	Conductivity at 25 C	μs/cm	1139	903	997	947	720	973	1080	1062	1129	1129
0085	BOD : 5 Day ATU	mg/l					1.7	< 1	< 3	< 6		< 1
0111	Ammoniacal Nitrogen as N	mg/l	0.16	0.054	0.24	0.17	0.032	0.25	0.32	0.27	0.24	0.24
0116	Nitrogen, Total Oxidised as N	mg/l	1.3	4.2	6.2	4.6	4.5	4.7	2.5	2.5	2	2
0117	Nitrate as N	mg/l	1.26	4.13	6.15	4.59	4.48	4.65	2.45	2.43	1.94	1.94
0118	Nitrite as N	mg/l	0.042	0.075	0.049	0.015	0.025	0.049	0.048	0.075	0.063	0.063
0119	Ammonia un-ionised as N	mg/l	0.00074	0.0003	0.00164	0.00054	0.00029	0.00139	0.00199	0.00215	0.0018	0.00181
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	300	280	310	300	250	310	310	320	330	340
0180	Orthophosphate, reactive as P	mg/l	0.013	0.022	< 0.01	0.019	0.033	< 0.01	< 0.01	< 0.01	< 0.01	0.01
9901	Oxygen, Dissolved, % Saturation	%	46.1	49.4	60.7	73.1	73.2	69.9	69	50.5	50.8	50.8
9924	Oxygen, Dissolved as O2	mg/l	4.88	5.55	8.05	10.1	8.39	7.55	7.91	5.07	5.09	5.08

Samples from 1 Dec 2015 to 8 Sep 2023

Notation	Determinand	Units	1 Dec 2015 13:17	8 Jan 2016 11:03	7 Apr 2016 12:33	1 Sep 2016 12:07	14 Oct 2016 11:33	3 Nov 2016 11:40	17 Jul 2023 15:09	8 Aug 2023 11:46	25 Aug 2023 07:43	8 Sep 2023 08:07
0061	pH		7.79	7.85	7.73	7.41	7.51	7.57	7.43	7.68	7.37	7.3
0076	Temperature of Water	°C	8.8	5.3	8.3	15.9	10.2	6.7	16.2	14	15.3	15
0077	Conductivity at 25 C	μs/cm	839	777	1012	937	965		973	1079	1002	969
0111	Ammoniacal Nitrogen as N	mg/l	0.041	0.05	0.112	0.05		0.074	0.12	0.079	0.047	0.069
0116	Nitrogen, Total Oxidised as N	mg/l	11.6	8.78	4.41	0.98		1.47	0.69	1.2	1.3	1.1
0117	Nitrate as N	mg/l	11.5	8.73	4.38	0.947		1.44	0.636	1.15	1.21	1.04
0118	Nitrite as N	mg/l	0.0618	0.0545	0.0346	0.0332		0.0268	0.054	0.051	0.086	0.062
0119	Ammonia un-ionised as N	mg/l	0.00042	0.00046	0.00098	0.00037		0.0004	0.00095	0.00094	0.0003	0.00037
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	271	266	314	303		333	310	330	340	320
0180	Orthophosphate, reactive as P	mg/l	0.063	0.062	0.037	< 0.01		< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
0348	Phosphorus, Total as P	mg/l	0.106	0.111
7887	Chlorophyll : Acetone Extract	μg/l	1.1	1.7
9901	Oxygen, Dissolved, % Saturation	%	65.5	70.1	80.1	56.6	48.3		44.2	58.8	22.7	25.5
9924	Oxygen, Dissolved as O2	mg/l	7.6	8.87	9.4	5.58	5.42		4.33	6.04	2.27	2.56

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sampling point R.Waveney Denmark Bridge

Determinands

Sampling results

Samples from 19 Oct 2023 to 18 Jun 2024

Samples from 1 Dec 2015 to 8 Sep 2023

sampling point
R.Waveney Denmark Bridge