sampling point
R.Waveney Needham Mill

Description	R.WAVENEY NEEDHAM MILL
Sampling point ID	AN-WAV050
Type	Freshwater – Rivers
Status	open
Location	easting northing: 623000 281200 lat lon: 52.383389, 1.275338
Area	Essex Norfolk And Suffolk
Sub-Area	Norfolk & Suffolk Team Sub Area
Summary	241 samples taken between 2020 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.

33 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOR A
CHLOROPHYLL
COD as O2
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Cu Filtered
Hardness
Magnesium-Mg
N Inorganic
N Oxidised
NATGRIDREF
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
Phosphorus-P
SiO2 Rv
Sld Sus@105C
Temp Water
Turbidity
TurbidityNTU
Zinc - as Zn
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 241 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 1 Jul 2019 to 5 Mar 2020

Notation	Determinand	Units	1 Jul 2019 11:56	13 Aug 2019 09:54	3 Sep 2019 12:26	10 Oct 2019 13:11	12 Nov 2019 12:05	6 Dec 2019 15:12	10 Jan 2020 10:00	30 Jan 2020 12:01	6 Feb 2020 14:06	5 Mar 2020 13:15
0061	pH		7.86	7.76	7.8	7.56	7.79	7.82	8.02		7.97	8.13
0076	Temperature of Water	°C	18.8	16.1	16.4	12.2	6.2	6.7	8.2		6.2	6.1
0077	Conductivity at 25 C	μs/cm	1021	1030	1155	905	1030	1060	1015		999	916
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	< 1	< 1	< 1	1.2	< 1		1.4	1.1
0111	Ammoniacal Nitrogen as N	mg/l	0.06	0.055	0.046	0.063	0.717	0.08	0.093		0.072	0.071
0116	Nitrogen, Total Oxidised as N	mg/l	1.8	0.47	0.76	13	8.22	16	14		12	11
0117	Nitrate as N	mg/l	1.76	0.453	0.751	12.9	8.14	15.9	13.9		11.9	11
0118	Nitrite as N	mg/l	0.037	0.017	0.0093	0.12	0.0826	0.079	0.09		0.056	0.045
0119	Ammonia un-ionised as N	mg/l	0.00152	0.00091	0.00085	0.0005	0.00613	0.00076	0.00149		0.00093	0.00097
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	300	320	320	190	290	290	290	290	300	290
0180	Orthophosphate, reactive as P	mg/l	0.091	0.13	0.11	0.23	0.175	0.14	0.13		0.13	0.099
9901	Oxygen, Dissolved, % Saturation	%	78.4	57.1	66.1	68.6	81	91.7	94.4		92.2	94.1
9924	Oxygen, Dissolved as O2	mg/l	7.28	5.61	6.45	7.34	10	11.2	11.1		11.4	11.7

Samples from 13 Jun 2018 to 13 Jun 2019

Notation	Determinand	Units	13 Jun 2018 13:12	6 Aug 2018 10:38	11 Sep 2018 09:01	28 Sep 2018 09:32	10 Dec 2018 09:49	9 Jan 2019 13:05	14 Mar 2019 09:19	1 May 2019 09:10	15 May 2019 09:48	13 Jun 2019 12:29
0061	pH		7.98	7.65	7.82	7.91	7.82	8	8.2	8.1	7.98	7.92
0076	Temperature of Water	°C	17	19.1	14.8	12.4	6.6	5.5	7.1	10.9	13.3	14.9
0077	Conductivity at 25 C	μs/cm	1027	950	1083	1112	981	1122	943	1081	1022	1033
0085	BOD : 5 Day ATU	mg/l								3.07	1.88	1.15
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.071	0.037	0.042	0.046	0.076	0.091	< 0.03	0.049	0.151
0116	Nitrogen, Total Oxidised as N	mg/l	2.89	0.94	1.87	2.29	11.7	6.97	13.4	2.83	4.15	2.63
0117	Nitrate as N	mg/l	2.87	0.911	1.86	2.28	11.6	6.92	13.3	2.81	4.11	2.58
0118	Nitrite as N	mg/l	0.0188	0.0291	0.0118	0.0134	0.0546	0.0511	0.0556	0.0193	0.0432	0.0489
0119	Ammonia un-ionised as N	mg/l	< 0.00087	0.00114	0.00064	0.00075	0.00043	0.001	0.00134	< 0.00058	0.00109	0.00329
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	304	271	323	320	260	321	266	311	274	301
0180	Orthophosphate, reactive as P	mg/l	0.075	0.098	0.07	0.073	0.215	0.13	0.158	0.031	0.093	0.105
9901	Oxygen, Dissolved, % Saturation	%	100.5	58.5	64.7	64.8	76.6	88.3	92.4	102	97	78.4
9924	Oxygen, Dissolved as O2	mg/l	9.69	5.4	6.54	6.9	9.38	11.1	11.2	11.3	10.1	7.9

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sampling point R.Waveney Needham Mill

Determinands

Sampling results

Samples from 1 Jul 2019 to 5 Mar 2020

Samples from 13 Jun 2018 to 13 Jun 2019

sampling point
R.Waveney Needham Mill