sampling point
Greta At Greta Bridge

Description	GRETA AT GRETA BRIDGE
Sampling point ID	NE-45100074
Type	Freshwater – Rivers
Status	open
Location	easting northing: 408600 513155 lat lon: 54.513612, -1.868669
Area	Northumberland Durham And Tees
Sub-Area	Wear & Tees
Summary	243 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.

56 determinands have been measured at this site

Action taken
Aldrin
Alky pH 4.5
Ammonia(N)
Arsenic - As
BOD ATU
Boron - as B
Calcium - Ca
Chlorfenvphs
Chromium -Cr
Colour
Colour Filt
Cond @ 20C
Cond @ 25C
Copper - Cu
Cr- Filtered
Cu Filtered
Cypermethrin
DDT (OP')
DDT (PP)
Diazinon
Dichlorvos
Dieldrin
Fe- Filt
Fenitrothion
Flumethrin
HCH Gamma
Hardness
Iron - as Fe
Lead - as Pb
Magnesium-Mg
N Oxidised
NH3 un-ion
Ni- Filtered
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
OrthophsFilt
Oxygen Diss
Pb Filtered
Phenol Odour
Phenols Mono
Phosphorus-P
Potassium- K
Propetamphos
Sld Sus@105C
Temp Water
V - Filtered
Vanadium - V
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 243 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 25 Oct 2023 to 29 Jul 2024

Notation	Determinand	Units	25 Oct 2023 11:00	28 Nov 2023 08:43	13 Dec 2023 11:46	23 Jan 2024 12:43	20 Feb 2024 10:30	20 Mar 2024 10:57	19 Apr 2024 12:31	13 May 2024 09:07	18 Jun 2024 08:26	29 Jul 2024 12:49
0061	pH		8.09	7.93	7.85	7.84	8.06	7.27	8.35	8.17	8.47	8.48
0076	Temperature of Water	°C	8.5	4.1	5.5	4.4	7.6	8.5	7.7	13.8	12.2	16.8
0077	Conductivity at 25 C	μs/cm	217	177	120	153	190	192	179	187	888	316
0085	BOD : 5 Day ATU	mg/l					< 2	1.3	< 3	3.3	1.3	< 3
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.1	0.45	0.76	0.81	0.96	0.68	0.51	0.34	0.27	0.5
0117	Nitrate as N	mg/l	1.1	0.446	0.756	0.806	0.956	0.676	0.506	0.336	0.266	0.496
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00049	< 0.0003	< 0.00028	< 0.00025	< 0.00046	< 9.0e-05	< 0.00046	< 0.00072	< 0.00064	< 0.0009
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	81	51	41	36	67	69	66	55	57	130
0180	Orthophosphate, reactive as P	mg/l	0.013	0.012	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	104.3	105.7	103.1	103.4	102.4	101.8	104.4	100.6	102.1	115.1
9924	Oxygen, Dissolved as O2	mg/l	12.2	13.8	13	13.4	12.2	11.9	12.4	10.4	10.9	11.1

Samples from 17 Feb 2021 to 6 Sep 2023

Notation	Determinand	Units	17 Feb 2021 09:38	23 Apr 2021 11:45	12 May 2021 12:34	23 Jun 2021 11:36	8 Jul 2021 12:29	13 Aug 2021 13:33	18 Apr 2023 12:18	24 Jul 2023 10:36	25 Aug 2023 09:38	6 Sep 2023 11:14
0061	pH		8.13	8.6	7.85	8.45	8.19	8.49	8.33	8	8.14	8.45
0076	Temperature of Water	°C	3.6	8.2	8.8	13.2	16	15.4	10.2	12	13.7	16.1
0077	Conductivity at 25 C	μs/cm	128	354	107	385	150	274	238	81	224	312
0085	BOD : 5 Day ATU	mg/l									< 2
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.48	0.81	< 0.2	0.87	0.24	0.26	0.83	0.3	0.61	0.62
0117	Nitrate as N	mg/l	0.476	0.806	< 0.196	0.866	0.236	0.256	0.826	0.296	0.606	0.616
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00034	< 0.00048	< 0.00036	< 0.00069	< 0.00085	< 0.00081	< 0.00056	< 0.00063	< 0.00072	< 0.00085
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	28	170	34	160	54	120	86	24	85	130
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	0.013	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	102.4	115.4	104.5	113.5	100.5	110.9	107.4	99.8	103.4	109.8
9924	Oxygen, Dissolved as O2	mg/l	13.5	13.6	12.1	11.9	9.89	11.1	12	10.7	10.7	10.8

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sampling point Greta At Greta Bridge

Determinands

Sampling results

Samples from 25 Oct 2023 to 29 Jul 2024

Samples from 17 Feb 2021 to 6 Sep 2023

sampling point
Greta At Greta Bridge