sampling point
R.Blyth Holton Bridge

Description	R.BLYTH HOLTON BRIDGE
Sampling point ID	AN-BLY030
Type	Freshwater – Rivers
Status	open
Location	easting northing: 640596 276873 lat lon: 52.337123, 1.530281
Area	Essex Norfolk And Suffolk
Sub-Area	Norfolk & Suffolk Team Sub Area
Summary	234 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.

28 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Cu Filtered
Hardness
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
Sld Sus@105C
Temp Water
Turbidity
TurbidityNTU
Zinc - as Zn
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 234 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 14 Jun 2019 to 6 Mar 2020

Notation	Determinand	Units	14 Jun 2019 11:21	1 Jul 2019 08:56	13 Aug 2019 13:15	5 Sep 2019 09:09	3 Oct 2019 08:27	19 Nov 2019 08:11	2 Dec 2019 09:50	13 Jan 2020 07:58	13 Feb 2020 13:14	6 Mar 2020 13:07
0061	pH		7.71	7.66	7.55	7.62	7.63	7.84	7.81	7.96	7.74	8.05
0076	Temperature of Water	°C	14.1	15.8	14.4	13.6	10.4	5.6	5.3	6.5	6.5	6.4
0077	Conductivity at 25 C	μs/cm	931	1177	1296	1175	972	948	928	931	933	684
0085	BOD : 5 Day ATU	mg/l	1.06	< 1	< 1	< 1	< 1	1.2	< 1	< 1	2.4	1.4
0111	Ammoniacal Nitrogen as N	mg/l	0.077	0.067	0.061	0.046	0.059	0.044	0.051	0.045	0.36	0.088
0116	Nitrogen, Total Oxidised as N	mg/l	18.2	7.5	12	8.4	15	17.8	17	14	8.4	10
0117	Nitrate as N	mg/l	18	7.43	11.9	8.35	14.9	17.8	17	14	8.33	9.97
0118	Nitrite as N	mg/l	0.152	0.07	0.072	0.046	0.099	0.0449	0.039	0.04	0.067	0.035
0119	Ammonia un-ionised as N	mg/l	0.00098	0.00087	0.00055	0.00046	0.00048	0.0004	0.00043	0.00058	0.00281	0.00123
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	212	260	260	250	190	234	230	250	220	240
0180	Orthophosphate, reactive as P	mg/l	0.438	0.95	1.3	1.1	0.39	0.122	0.12	0.15	0.44	0.12
9901	Oxygen, Dissolved, % Saturation	%	71.6	47.7	56	47	65.4	82.2	84.3	94.2	88.1	94.4
9924	Oxygen, Dissolved as O2	mg/l	7.34	4.72	5.71	4.87	7.3	10.3	10.7	11.6	10.8	11.6

Samples from 6 Jul 2018 to 3 May 2019

Notation	Determinand	Units	6 Jul 2018 13:53	6 Aug 2018 08:15	3 Oct 2018 08:42	7 Nov 2018 08:22	7 Dec 2018 08:38	31 Jan 2019 08:20	26 Feb 2019 09:27	19 Mar 2019 08:49	1 Apr 2019 10:09	3 May 2019 09:27
0061	pH		7.66	7.47	7.48	7.49	7.51	7.78	7.59	7.69	7.48	7.56
0076	Temperature of Water	°C	23.6	16.3	11.1	10.5	10.8	1.3	5.6	6.5	8.1	10.7
0077	Conductivity at 25 C	μs/cm	592	1226	1229	1163	1077	1072	1157	979	1135	1196
0085	BOD : 5 Day ATU	mg/l									43.8	1.84
0111	Ammoniacal Nitrogen as N	mg/l	0.062	0.09	0.332	0.193	0.046	0.097	0.464	0.061	0.05	0.171
0116	Nitrogen, Total Oxidised as N	mg/l	8.44	7.97	9.79	7.18	6.27	18.4	6.68	11	5.95	7.34
0117	Nitrate as N	mg/l	8.4	7.83	9.67	7.06	6.21	18.4	6.58	11	5.91	7.21
0118	Nitrite as N	mg/l	0.045	0.137	0.119	0.123	0.0584	0.046	0.0963	0.0369	0.0415	0.128
0119	Ammonia un-ionised as N	mg/l	0.00142	0.00078	0.00201	0.00114	0.00029	0.00056	0.0024	0.00042	0.00024	0.00121
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	267	265	263	277	229	197	263	258	255	250
0180	Orthophosphate, reactive as P	mg/l	1.11	1.11	1.06	0.812	0.412	0.17	0.789	0.198	0.712	0.994
9901	Oxygen, Dissolved, % Saturation	%	79.5	50.3	56.7	54	65	82.7	69	87.8	75.3	73.7
9924	Oxygen, Dissolved as O2	mg/l	6.73	4.92	6.22	6.01	7.19	11.6	8.67	10.8	8.88	8.17

Tell us whether you accept cookies

sampling point R.Blyth Holton Bridge

Determinands

Sampling results

Samples from 14 Jun 2019 to 6 Mar 2020

Samples from 6 Jul 2018 to 3 May 2019

sampling point
R.Blyth Holton Bridge