sampling point
Blackton Reservoir At The Overflow Basin

Description	BLACKTON RESERVOIR AT THE OVERFLOW BASIN
Sampling point ID	NE-45100116
Type	Freshwater – Lakes/Ponds/Reservoirs
Status	open
Location	easting northing: 394660 518795 lat lon: 54.564339, -2.08409
Area	Northumberland Durham And Tees
Sub-Area	Wear & Tees
Summary	50 samples taken between 2020 and 2010

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.

20 determinands have been measured at this site

Alk-Gran
Alky pH 4.5
Ammonia(N)
CHLOROPHYLL
Colour Filt
Cond @ 25C
MR Screen
N Oxid Filt
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
Nitrogen - N
O Diss %sat
Orthophospht
OrthophsFilt
Oxygen Diss
Phosphorus-P
Temp Water
pH

Displaying the twenty most recent samples. You can see all 50 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 31 Oct 2018 to 23 Mar 2020

Notation	Determinand	Units	31 Oct 2018 12:00	14 Jan 2019 12:38	6 Aug 2019 12:42	10 Sep 2019 11:25	26 Nov 2019 10:15	12 Dec 2019 09:56	22 Jan 2020 09:18	26 Feb 2020 11:46	17 Mar 2020 10:59	23 Mar 2020 10:14
0061	pH				7.56	7.67	7.3	7.61	8.31	7.29	7.59	7.77
0072	Colour, Filtered	hazen	148	143					150
0076	Temperature of Water	°C			16.3	14.1	6	4.4	4.7	3.7	5.5	5.7
0077	Conductivity at 25 C	μs/cm	67	61	61	63	49	54	52	50	50	51
0111	Ammoniacal Nitrogen as N	mg/l			< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l			< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2
0117	Nitrate as N	mg/l			< 0.196	< 0.196	< 0.196	< 0.196	< 0.196	< 0.196	< 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
0119	Ammonia un-ionised as N	mg/l			< 0.00032	< 0.00035	< 8.0e-05	< 0.00015	< 0.00037	< 7.0e-05	< 0.00015	< 0.00024
0162	Alkalinity to pH 4.5 as CaCO3	mg/l			16	17	15	15	16	13	12	12
0180	Orthophosphate, reactive as P	mg/l			< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	0.012
0348	Phosphorus, Total as P	mg/l	0.0216	0.0195					0.02
7610	Alkalinity to pH 4.5 : Grans Plot	mg/l	11.6	10.3					9.9
7887	Chlorophyll : Acetone Extract	μg/l	0.67	0.81					< 0.5
9686	Nitrogen, Total as N	mg/l	0.83	0.7					0.67
9856	Orthophosphate, Filtered as P	mg/l	0.0041	0.0047					0.0035
9901	Oxygen, Dissolved, % Saturation	%			99.1	111.3	98.7	102	101.4	101.4	108.8	104.6
9924	Oxygen, Dissolved as O2	mg/l			9.69	11.4	12.3	13.2	13	13.4	13.7	13.1
9943	Nitrogen, Total Oxidised, Filtered as N	mg/l	0.169	0.13					0.19

Samples from 18 Apr 2016 to 24 Jul 2018

Notation	Determinand	Units	18 Apr 2016 11:42	26 Jul 2016 13:19	27 Oct 2016 11:07	18 Jan 2017 12:16	20 Apr 2017 11:16	20 Jul 2017 12:47	26 Oct 2017 11:53	11 Jan 2018 11:13	12 Apr 2018 12:08	24 Jul 2018 11:38
0072	Colour, Filtered	hazen	118	98	185	135	121	130	178	133	103	86
0077	Conductivity at 25 C	μs/cm	115	128	66	58	61	66	62	60	74	58
0348	Phosphorus, Total as P	mg/l	0.0201	0.0315	0.0242	0.0199	0.0215	0.0175	0.0318	0.0238	0.0188	0.02
4994	GCMS Screen : Target Based multi-residue screening : Semi Quantitative	text	1	1	1	1	1	1	1	1
7610	Alkalinity to pH 4.5 : Grans Plot	mg/l	9.46	29	14.9	11	10.4	12.3	11.7	11.9	9.02	11.7
7887	Chlorophyll : Acetone Extract	μg/l	2.3	4.7	3.3	0.65	4.7	4.2	1.3	1.3	1.2	7.1
9686	Nitrogen, Total as N	mg/l	0.63	0.99	0.84	0.74	0.66	0.74	0.85	0.69	0.66	0.7
9856	Orthophosphate, Filtered as P	mg/l	0.0043	0.0082	0.0035	0.005	0.0061	0.0032	0.0051	0.0054	0.0027	0.0029
9943	Nitrogen, Total Oxidised, Filtered as N	mg/l	0.176	0.272	0.15	0.209	0.214	0.217	0.218	0.225	0.196	0.218

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sampling point Blackton Reservoir At The Overflow Basin

Determinands

Sampling results

Samples from 31 Oct 2018 to 23 Mar 2020

Samples from 18 Apr 2016 to 24 Jul 2018

sampling point
Blackton Reservoir At The Overflow Basin