sampling point
Cong Burn U/S Twizell Burn Confl

Description	CONG BURN U/S TWIZELL BURN CONFLUENCE
Sampling point ID	NE-44500238
Type	Freshwater – Rivers
Status	open
Location	easting northing: 425735 551499 lat lon: 54.857609, -1.600641
Area	Northumberland Durham And Tees
Sub-Area	Wear & Tees
Summary	121 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

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Cond @ 25C
Cu Filtered
Foam Visible
Hardness
Liqcolour-mn
Liqcolour-se
Liqcolour-st
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Obs Flow ROC
Oil & Grs Vs
Orthophospht
Oxygen Diss
Potassium- K
Sld Sus@105C
Solid quanty
Temp Water
Type of Flow
Weth7Dy-Prec
Weth7Dy-Temp
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 121 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 4 Jul 2019 to 11 Mar 2020

Notation	Determinand	Units	4 Jul 2019 11:35	13 Aug 2019 13:34	22 Aug 2019 13:59	12 Sep 2019 14:08	11 Oct 2019 12:57	14 Nov 2019 12:10	3 Dec 2019 10:03	14 Jan 2020 10:01	13 Feb 2020 10:24	11 Mar 2020 13:04
0061	pH		7.79	8.1	7.89	7.74	8.02	8.09	7.92	8.04	8.04	8.27
0076	Temperature of Water	°C	12.7	13.4	13.4	12.8	10.9	5.3	5	4.6	3	6.9
0077	Conductivity at 25 C	μs/cm	715	470	644	750	566	608	545	515	600	647
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.036	0.047	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.8	2.4	2.38	1.8	3.1	2.41	2.2	1.8	2.4	1.9
0117	Nitrate as N	mg/l	1.8	2.4	2.38	1.8	3.09	2.4	2.19	1.79	2.39	1.9
0118	Nitrite as N	mg/l	< 0.004	0.0046	< 0.004	< 0.004	0.0057	0.0062	0.0066	0.0081	0.011	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00041	< 0.0007	< 0.00055	< 0.00037	< 0.00058	< 0.00039	< 0.00032	0.00044	0.00051	< 0.00044
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	130	97	129	150	120	112	97	92	99	130
0180	Orthophosphate, reactive as P	mg/l	0.017	0.05	0.041	0.016	0.049	0.032	0.038	0.03	0.044	0.027
9901	Oxygen, Dissolved, % Saturation	%	90.1	95	92.2	87.7	94.6	96.1	96.9	101.4	102.3	105.2
9924	Oxygen, Dissolved as O2	mg/l	9.54	9.9	9.61	9.26	10.4	12.2	12.4	13.1	13.8	12.8

Samples from 17 Jan 2017 to 10 May 2019

Notation	Determinand	Units	17 Jan 2017 11:36	4 Apr 2017 14:17	5 Jul 2017 13:36	23 Oct 2017 10:30	8 Feb 2018 10:55	4 May 2018 10:13	31 Aug 2018 10:05	21 Nov 2018 10:19	5 Apr 2019 11:31	10 May 2019 10:29
0061	pH		8.08	8.06	8.06	7.71	7.91	8.04	7.7	7.83	8.09	7.85
0076	Temperature of Water	°C	5.8	10.6	12.5	9.5	2.8	10.4	10.3	6.3	6.1	6.2
0077	Conductivity at 25 C	μs/cm	541	698	440	568	755	1038	991	677	570	684
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.071	< 0.03	0.1	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.14	2.37	1.89	2.16	3.18	14.3	16	3.96	2.19	2.01
0117	Nitrate as N	mg/l	3.14	2.37	1.88	2.16	3.17	14.1	16	3.94	2.19	2.01
0118	Nitrite as N	mg/l	0.0041	0.0044	0.0109	0.0047	0.0091	0.171	0.008	0.0241	0.0048	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.0004	< 0.00057	< 0.00066	< 0.00027	< 0.00026	0.00133	< 0.00028	0.00094	< 0.00041	< 0.00029
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	93	120	97	126	118	119	97	86	88	114
0180	Orthophosphate, reactive as P	mg/l	0.046	0.044	0.095	0.031	0.042	0.027	0.023	0.039	0.052	0.04
9901	Oxygen, Dissolved, % Saturation	%	103.4	98.6	96.7	87.9	94.8	111	98.8	93.9	99.1	95.5
9924	Oxygen, Dissolved as O2	mg/l	12.9	11	10.3	10	12.8	12.4	11.1	11.6	12.3	11.8

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sampling point Cong Burn U/S Twizell Burn Confl

Determinands

Sampling results

Samples from 4 Jul 2019 to 11 Mar 2020

Samples from 17 Jan 2017 to 10 May 2019

sampling point
Cong Burn U/S Twizell Burn Confl