sampling point
Bolts Burn U/S Derwent Confluence

Description	BOLTS BURN U/S DERWENT CONFLUENCE
Sampling point ID	NE-43400012
Type	Freshwater – Rivers
Status	open
Location	easting northing: 395763 549761 lat lon: 54.842628, -2.067494
Area	Northumberland Durham And Tees
Sub-Area	Northumberland & Tyne
Summary	152 samples taken between 2019 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.

69 determinands have been measured at this site

Action taken
Al- Filtered
Alky pH 4.5
Aluminium-Al
Ammonia(N)
B - Filtered
BOD ATU
Ba- Filtered
Barium - Ba
Boron - as B
C - Org Filt
Ca Filtered
Cadmium - Cd
Calcium - Ca
Cd Filtered
Chloride Ion
Chromium -Cr
ColourAbnoml
Cond @ 20C
Cond @ 25C
Copper - Cu
Cr- Filtered
Cu Filtered
Fe- Filt
Fluoride - F
Foam Visible
Hardness
IonicBalance
Iron - as Fe
K- Filtered
Lead - as Pb
Liqcolour-mn
Lithium - Li
Lithium Filt
Magnesium-Mg
Manganse-Mn
Mg Filtered
Mn- Filtered
N Oxidised
NATGRIDREF
NH3 un-ion
Na- Filtered
Ni- Filtered
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
Obs Flow ROC
Oil & Grs Vs
Orthophospht
Oxygen Diss
Pb Filtered
Phenol Odour
Potassium- K
SO4dis
SiO2 Rv
Sld Sus@105C
Sodium - Na
Strontium-Sr
StrontumFilt
Sulphate SO4
Temp Water
Type of Flow
WethPresPrec
WethPresTemp
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 152 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 15 Aug 2018 to 20 Jun 2019

Notation	Determinand	Units	15 Aug 2018 10:32	21 Sep 2018 09:46	31 Oct 2018 10:36	26 Nov 2018 11:45	23 Jan 2019 11:36	1 Mar 2019 11:34	26 Mar 2019 11:31	25 Apr 2019 10:15	28 May 2019 10:47	20 Jun 2019 11:24
0050	Lead	μg/l	38.7	206	28.4	56.2	22.2	19.5	30.3	18.8	33.7	55.6
0052	Lead, Dissolved	μg/l	28.5	65.8	16.8	48	18.4	16.1	25.1	10.3	9.44	46.2
0061	pH		7.99	7	7.92	7.43	7.88	7.94	7.72	8.1	7.97	7.75
0076	Temperature of Water	°C	13.6	9.1	5.3	5.8	1.6	6	6.3	8.6	9.2	10.9
0077	Conductivity at 25 C	μs/cm	264.2	100.6	258.2	162.3	233.5	262.6	205.9	276.7	278.2	183.2
0106	Cadmium, Dissolved	μg/l	0.652	0.62	0.671	0.715	0.779	0.736	0.815	0.711	0.72	0.852
0108	Cadmium	μg/l	0.705	0.951	0.7	0.727	0.774	0.743	0.77	0.727	0.76	0.876
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	0.56	0.5	0.36	0.93	0.56	0.59	0.91	0.46	0.28	0.64
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
0135	Solids, Suspended at 105 C	mg/l	< 3	21.7	< 3	< 3	< 3	< 3	< 3	< 3	< 3	< 3
0158	Hardness, Total as CaCO3	mg/l	101	28	90.8	61.9	98.7	93.5	67.6	103	101	57.3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	71	16	67	25	69	63	38	71	74	34
0172	Chloride	mg/l	19.9	12	20.6	21.4	22	21.9	23.3	21.1	20.1	18.7
0177	Fluoride	mg/l	1.23	0.624	1.03	0.824	1.07	0.948	0.96	1.19	1.07	0.95
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
0182	Silica, reactive as SiO2	mg/l	5.13	3.22	5.81	4.83	6.58	6.37	5.53	5.52	5.42	5.17
0183	Sulphate as SO4	mg/l	27.7	11.6	24.3	14.9	26.8	26.8	20.3	28	27.2	18.4
0205	Sodium, Dissolved	mg/l	12.3	7.18	12.1	10.9	12.9	12.5	12.1	13	12.3	11
0207	Sodium	mg/l	12.3	7.15	12	10.8	12.7	12.6	11.9	12.5	12.5	10.9
0209	Potassium, Dissolved	mg/l	2.88	1.55	2.56	1.56	2.57	2.45	1.93	2.64	2.73	1.66
0211	Potassium	mg/l	2.87	1.65	2.52	1.53	2.54	2.47	1.93	2.63	2.74	1.61
0235	Magnesium, Dissolved	mg/l	6.3	1.81	5.81	3.16	6.39	6.09	4.66	6.61	6.55	3.9
0237	Magnesium	mg/l	6.38	1.95	5.89	3.19	6.35	6.19	4.44	6.61	6.59	3.9
0239	Calcium, Dissolved	mg/l	29.9	8.21	26.8	19.6	29	27.4	19.4	30.2	29.7	16.5
0241	Calcium	mg/l	29.7	8.66	27.1	13.1	28.6	27.2	19.6	29.4	30.2	16.5
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	2.64	15	2.24	5.42	1.36	1.25	1.76	1.15	1.47	3.3
3164	Chromium	μg/l	< 0.5	0.647	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3169	pH : In Situ		7.99	7.59	7.83	7.7	8.07	7.96	7.82	8.12	8.16	7.7
3408	Zinc, Dissolved	μg/l	153	200	204	242	231	202	226	181	191	235
3409	Chromium, Dissolved	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	2.2	3.44	2.31	3.88	2.47	2.46	3.04	2.09	2.19	3.51
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	39.1	208	31.7	170	37.7	44.5	71.2	41.9	38.4	98.9
6050	Manganese	μg/l	< 10	191	14.9	33.1	11.4	< 10	12.5	< 10	17.8	12.1
6051	Iron	μg/l	141	2170	148	311	97.7	77.8	102	51.5	87.9	156
6057	Aluminium	μg/l	56.3	474	41.6	189	44.8	55.2	79.2	60.7	65.8	118
6059	Boron	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6062	Barium	μg/l	56.5	33.5	52.6	43.4	53.8	55.6	49.5	57.6	57.5	47.2
6063	Strontium	μg/l	132	36.9	121	56.2	125	120	79.1	130	133	70.5
6064	Lithium	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	1.27	2.27	0.847	1.5	0.636	0.652	0.902	0.713	0.784	1.39
6452	Copper	μg/l	1.32	3.68	< 1	1.45	< 1	< 1	1	< 1	< 1	1.41
6455	Zinc	μg/l	167	305	208	232	258	207	241	185	199	248
6458	Manganese, Dissolved	μg/l	< 10	63.3	12.3	31.3	< 10	< 10	10.2	< 10	< 10	< 10
6460	Iron, Dissolved	μg/l	91	1010	83	358	71.1	54.9	67.5	< 30	< 30	115
6462	Nickel	μg/l	2.32	4.84	2.29	4.02	2.63	2.5	3.27	2.11	2.25	3.49
6693	Strontium, Filtered	μg/l	132	34.6	119	92.7	125	117	81.9	131	132	69
7044	Ionic Balance	%	0.351	0.558	-0.585	-1.88	-0.593	0.0182	0.163	-0.155	0.579	0.726
7859	Sulphate, Dissolved as SO4	mg/l	27.5	11.2	24.2	14.8	27.4	25.6	19.7	28	27.1	18.4
9446	Barium, Dissolved	μg/l	56.3	27.1	51.6	44.7	54.3	55.6	48.6	57.1	56.7	45.7
9447	Boron, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100

Samples from 15 Nov 2017 to 17 Jul 2018

Notation	Determinand	Units	15 Nov 2017 13:28	29 Nov 2017 11:05	13 Dec 2017 12:25	23 Jan 2018 11:40	15 Feb 2018 11:57	14 Mar 2018 12:16	18 Apr 2018 10:42	15 May 2018 10:44	27 Jun 2018 09:54	17 Jul 2018 10:47
0050	Lead	μg/l	31.9	49.6	74.8	181	57.5	49.6	54	15.2	17.4	18
0052	Lead, Dissolved	μg/l	24.6		31.3	43.2	40.3	35.4	33.6	11.5	10.5	11.4
0061	pH		7.91		7.71	7.01	7.39	7.39	7.61	7.9	7.96	8.15
0076	Temperature of Water	°C	6.3		4	4.3	2.8	4.6	9.4	9.6	12.3	12.7
0077	Conductivity at 25 C	μs/cm	261.5		199.1	87.1	159.6	179.4	185.1	251.1	308	337.8
0106	Cadmium, Dissolved	μg/l	0.671		0.698	0.608	0.725	0.88	0.833	0.769	0.805	0.703
0108	Cadmium	μg/l	0.693	0.685	0.786	0.804	0.74	0.897	0.852	0.798	0.795	0.728
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
0116	Nitrogen, Total Oxidised as N	mg/l	0.32		0.78	0.9	0.8	1.34	0.95	0.53	0.49	0.26
0118	Nitrite as N	mg/l	< 0.004		< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0135	Solids, Suspended at 105 C	mg/l	< 3		< 3	24	< 3	< 3	< 3	< 3	< 3	< 3
0158	Hardness, Total as CaCO3	mg/l	97.4	54.9	65.9	27	41.8	42.4	52.7	99.6	116	130
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	71		42	14	20	17	26	69	85	108
0172	Chloride	mg/l	17.7		21.3	21.3	23.9	28.7	25.4	22.1	20.5	17.2
0177	Fluoride	mg/l	1.13		0.946	0.646	0.694	0.794	1.78	1.15	1.27	1.32
0180	Orthophosphate, reactive as P	mg/l	< 0.01		< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
0182	Silica, reactive as SiO2	mg/l	6.65		5.68	3.68	4.49	4.26	4.62	5.7	5.96	6.07
0183	Sulphate as SO4	mg/l	26.6	16.8	19.5	< 10	11.8	13.9	16.5	27.9	32.6	37.2
0205	Sodium, Dissolved	mg/l	11.5		11.8	10.8	12.3	13.5	12.8	13.2	12.5	11.9
0207	Sodium	mg/l	11.2	14.1	11.9	10.7	11.5	13.8	12.8	13.1	12.9	12.7
0209	Potassium, Dissolved	mg/l	2.56		1.96	1.35	1.58	1.61	1.67	2.61	3.03	3.46
0211	Potassium	mg/l	2.57	1.9	1.97	1.46	1.56	1.63	1.67	2.72	3.06	3.51
0235	Magnesium, Dissolved	mg/l	6.26		4.42	1.88	2.88	3.26	3.7	6.78	8.02	8.38
0237	Magnesium	mg/l	6.3	3.75	4.45	2.01	2.76	3.35	3.75	6.67	7.84	8.9
0239	Calcium, Dissolved	mg/l	28.7		19.1	7.71	12	11.6	15	28.7	33.3	38.4
0241	Calcium	mg/l	28.9	15.8	19.5	8.4	11.2	12.3	15.2	30.4	35	40.9
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	1.74		2.33	7.09	4.12	2.67	2.41	1.19	1.2	1.19
3164	Chromium	μg/l	< 0.5	< 0.5	< 0.5	0.605	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3169	pH : In Situ		7.89		7.97	6.85	7.34	7.16	7.67	7.93	7.95	8.01
3408	Zinc, Dissolved	μg/l	206		232	199	238	255	224	190	183	149
3409	Chromium, Dissolved	μg/l	< 0.5		< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	2.2		3.03	3.64	3.93	4.11	3.8	2.28	1.96	1.65
4201	Lithium, Dissolved	μg/l	< 100		< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	41.4		75.8	193	134	146	122	45.5	33.3	29.7
6050	Manganese	μg/l	11.3	28.6	47.9	152	41.4	38.7	26.4	< 10	< 10	< 10
6051	Iron	μg/l	168	327	336	1230	292	153	159	< 30	33.8	< 30
6057	Aluminium	μg/l	52.4	142	142	583	240	194	170	50.9	43.5	38.4
6059	Boron	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6062	Barium	μg/l	53	45.2	49.3	36.2	39.7	47.1	50.2	60.5	64.5	63.4
6063	Strontium	μg/l	129	70.1	83.9	32.9	47.9	52.9	63.2	131	155	178
6064	Lithium	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	0.837		0.897	1.71	1.29	1.06	0.979	0.705	0.774	0.837
6452	Copper	μg/l	2.96	1.37	1.12	2.62	1.99	1.25	1.14	< 1	< 1	< 1
6455	Zinc	μg/l	245	222	252	255	245	280	246	209	187	153
6458	Manganese, Dissolved	μg/l	< 10		18.9	39.3	30.6	32.6	18.1	< 10	< 10	< 10
6460	Iron, Dissolved	μg/l	132		139	273	161	68	78	< 30	< 30	< 30
6462	Nickel	μg/l	2.54	3.72	3.32	4.66	5.33	4.4	4.03	2.57	2.02	2.11
6693	Strontium, Filtered	μg/l	129		83.4	30.9	49	52.5	62.6	128	148	170
7044	Ionic Balance	%	0.366		0.142	-2.92	-1.86	-0.0859	0.584	1.58	0.665	-0.316
7434	National Grid Reference : Whole : Field report			1
7859	Sulphate, Dissolved as SO4	mg/l	26.8		19.5	< 10	12.3	13.6	16.4	28.4	31	34.7
9446	Barium, Dissolved	μg/l	52.9		48.6	29.6	40	47.3	49.4	58.7	63.4	61.1
9447	Boron, Dissolved	μg/l	< 100		< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100

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sampling point Bolts Burn U/S Derwent Confluence

Determinands

Sampling results

Samples from 15 Aug 2018 to 20 Jun 2019

Samples from 15 Nov 2017 to 17 Jul 2018

sampling point
Bolts Burn U/S Derwent Confluence