sampling point
Greta At Gilmonby Br (U/S Bowes Stw)

Description	GRETA AT GILMONBY BRIDGE (U/S BOWES STW)
Sampling point ID	NE-45100082
Type	Freshwater – Rivers
Status	open
Location	easting northing: 399560 513220 lat lon: 54.514267, -2.0083
Area	Northumberland Durham And Tees
Sub-Area	Wear & Tees
Summary	203 samples taken between 2021 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.

25 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Colour
Colour Filt
Cond @ 25C
Cu Filtered
Hardness
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
Potassium- K
Sld Sus@105C
Temp Water
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 203 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Nov 2020 to 17 Aug 2021

Notation	Determinand	Units	10 Nov 2020 13:01	3 Dec 2020 11:29	13 Jan 2021 11:37	15 Feb 2021 08:02	9 Mar 2021 08:13	23 Apr 2021 12:14	14 May 2021 12:17	11 Jun 2021 13:13	9 Jul 2021 12:59	17 Aug 2021 13:06
0061	pH		8.23	8.29	7.95	7.61	8.34	8.61	8.22	8.36	8.25	8.58
0076	Temperature of Water	°C	9.6	3.7	1.8	0.5	0.5	10.4	9.2	15.3	15.4	15.3
0077	Conductivity at 25 C	μs/cm	188	145	124	192	287	316	151	326	162	295
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.05	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.031
0116	Nitrogen, Total Oxidised as N	mg/l	0.61	0.29	0.58	0.36	0.65	0.51	< 0.2	0.7	< 0.2	< 0.2
0117	Nitrate as N	mg/l	0.606	0.286	0.576	0.356	0.646	0.506	< 0.196	0.696	< 0.196	< 0.196
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	< 0.00053	< 0.00034	< 0.00027	0.00019	< 0.00027	< 0.00056	< 0.00052	< 0.00081	< 0.00081	0.00083
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	70	50	33	16	81	120	41	120	56	120
0180	Orthophosphate, reactive as P	mg/l	< 0.01	0.011	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	101	99.2	105.5	107	135.6	116.4	104.6	104.6	97.8	105.9
9924	Oxygen, Dissolved as O2	mg/l	11.5	13.1	14.6	15.4	19.5	13	12	10.5	9.75	10.6

Samples from 23 Mar 2017 to 15 Oct 2020

Notation	Determinand	Units	23 Mar 2017 11:42	10 Apr 2017 11:18	27 Sep 2019 12:08	26 Nov 2019 08:08	12 Dec 2019 11:27	15 Jan 2020 07:59	5 Feb 2020 10:16	20 Feb 2020 11:00	18 Mar 2020 10:28	15 Oct 2020 12:28
0061	pH		7.2	8.47	7.07	7.67	7.89	8.89	7.74	7.43	7.32	7.84
0072	Colour, Filtered	hazen	135	46
0076	Temperature of Water	°C	3.9	8.5	11.5	6.8	3.2	3.9	3.3	5	6	8.1
0077	Conductivity at 25 C	μs/cm	69	286	54	75	105	104	107	74	69	79
0111	Ammoniacal Nitrogen as N	mg/l	0.0073	0.005	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.327	0.54	< 0.2	0.27	0.51	0.28	0.35	< 0.2	< 0.2	< 0.2
0117	Nitrate as N	mg/l	0.326	0.539	< 0.196	0.266	0.506	0.276	0.346	< 0.196	< 0.196	< 0.196
0118	Nitrite as N	mg/l	< 0.001	0.00107	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	1.0e-05	8.0e-05	< 7.0e-05	< 0.0002	< 0.00026	< 0.00035	< 0.00018	< 0.0001	< 9.0e-05	< 0.00033
0135	Solids, Suspended at 105 C	mg/l	7.77	< 3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	17	104	17	26	32	19	27	13	15	31
0180	Orthophosphate, reactive as P	mg/l	0.0084	0.0031	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	0.013	< 0.01	0.011
9901	Oxygen, Dissolved, % Saturation	%	98	110.4	103.3	97.8	104	99.3	101.8	103.9	105	98.7
9924	Oxygen, Dissolved as O2	mg/l	12.9	12.9	11.2	11.9	13.9	13	13.6	13.3	13.1	11.6

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sampling point Greta At Gilmonby Br (U/S Bowes Stw)

Determinands

Sampling results

Samples from 10 Nov 2020 to 17 Aug 2021

Samples from 23 Mar 2017 to 15 Oct 2020

sampling point
Greta At Gilmonby Br (U/S Bowes Stw)