sampling point
Bolam Lake At Outlet

Description	BOLAM LAKE AT OUTLET
Sampling point ID	NE-42600293
Type	Freshwater – Lakes/Ponds/Reservoirs
Status	open
Location	easting northing: 408360 581815 lat lon: 55.13062, -1.870419
Area	Northumberland Durham And Tees
Sub-Area	Northumberland & Tyne
Summary	57 samples taken between 2020 and 2007

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.

23 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
CHLOROPHYLL
Chloride Ion
Colour Filt
Cond @ 20C
Cond @ 25C
N Oxid Filt
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
Nitrogen - N
O Diss %sat
Oil & Grs Vs
Orthophospht
OrthophsFilt
Oxygen Diss
Phenol Odour
Phosphate
Phosphorus-P
Temp Water
pH

Displaying the twenty most recent samples. You can see all 57 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 30 Jul 2019 to 4 Mar 2020

Notation	Determinand	Units	30 Jul 2019 08:26	21 Aug 2019 11:37	28 Aug 2019 10:50	12 Sep 2019 10:10	11 Oct 2019 10:00	12 Nov 2019 09:50	2 Dec 2019 08:22	7 Jan 2020 11:34	6 Feb 2020 11:40	4 Mar 2020 09:46
0061	pH		7.7	8.47	8.07	8.61	7.97	7.83	7.71	7.86	8.18	8.29
0072	Colour, Filtered	hazen			32				44			24
0076	Temperature of Water	°C	19.5	17.9	19.4	14.5	9.9	4.5	2.2	5.7	3.9	3.7
0077	Conductivity at 25 C	μs/cm	303	308	273	263	259	240	254	273	283	284
0111	Ammoniacal Nitrogen as N	mg/l	0.044	0.033	0.049	0.052	< 0.03	0.143	0.2	0.059	0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	0.53	1	1.5	1.1	1.2
0117	Nitrate as N	mg/l	< 0.196	0.196	< 0.196	< 0.196	0.193	0.516	0.972	1.48	1.1	1.2
0118	Nitrite as N	mg/l	< 0.004	0.0042	< 0.004	< 0.004	0.0071	0.0141	0.028	0.016	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00082	0.00107	0.00177	0.00132	< 0.00051	0.00118	0.00106	0.00057	0.00035	< 0.00034
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	68	60	62	57	57	57	56	57	58	53
0180	Orthophosphate, reactive as P	mg/l	0.013	0.034	0.027	0.023	0.028	0.029	0.033	0.028	0.01	< 0.01
0348	Phosphorus, Total as P	mg/l			0.0508				0.056			0.039
7887	Chlorophyll : Acetone Extract	μg/l			4.1				1.2			35
9686	Nitrogen, Total as N	mg/l			0.87				2.1			1.8
9856	Orthophosphate, Filtered as P	mg/l			0.0222				0.033			0.0027
9901	Oxygen, Dissolved, % Saturation	%	63.5	94.5	97.4	92.6	91.5	84	70.1	95.7	96.3	102.7
9924	Oxygen, Dissolved as O2	mg/l	5.82	8.94	8.94	9.42	10.3	10.9	9.63	12	12.6	13.6
9943	Nitrogen, Total Oxidised, Filtered as N	mg/l			0.0289				1.1			1.1

Samples from 8 Jun 2017 to 19 Jul 2019

Notation	Determinand	Units	8 Jun 2017 09:51	14 Sep 2017 16:17	4 Dec 2017 13:00	8 Mar 2018 11:36	13 Jun 2018 10:10	6 Sep 2018 09:55	11 Dec 2018 13:58	6 Mar 2019 11:30	11 Apr 2019 12:01	19 Jul 2019 10:46
0061	pH										8.5	8.1
0072	Colour, Filtered	hazen	51	42	28	21	41	23	25	16		24
0076	Temperature of Water	°C									8.8	19.2
0077	Conductivity at 25 C	μs/cm	327	304	309	240	355	340	338	323	306	313
0111	Ammoniacal Nitrogen as N	mg/l									< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l									< 0.2	< 0.2
0117	Nitrate as N	mg/l									< 0.196	< 0.196
0118	Nitrite as N	mg/l									< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l									< 0.0005	< 0.00107
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	79	69	69	61	81	65	66	64	66	67
0180	Orthophosphate, reactive as P	mg/l									< 0.01	0.027
0348	Phosphorus, Total as P	mg/l	0.0844	0.0784	0.074	0.0384	0.078	0.0596	0.0457	0.178		0.06
7887	Chlorophyll : Acetone Extract	μg/l	2.4	1.7	15.6	36.6	2.1	4.9	4.4	5.3		1.4
9686	Nitrogen, Total as N	mg/l	0.89	0.78	1.7	1.65	1.02	0.95	1.16	8.65		0.81
9856	Orthophosphate, Filtered as P	mg/l	0.0484	0.0528	0.0377	0.0048	0.0416	0.0202	0.0271	0.0028		0.023
9901	Oxygen, Dissolved, % Saturation	%									118	83
9924	Oxygen, Dissolved as O2	mg/l									13.7	7.65
9943	Nitrogen, Total Oxidised, Filtered as N	mg/l	0.0179	0.0082	0.357	0.699	0.026	0.0095	0.258	0.0085		0.0056

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sampling point Bolam Lake At Outlet

Determinands

Sampling results

Samples from 30 Jul 2019 to 4 Mar 2020

Samples from 8 Jun 2017 to 19 Jul 2019

sampling point
Bolam Lake At Outlet