sampling point
Potto Beck U/S R Leven

Description	POTTO BECK U/S R LEVEN
Sampling point ID	NE-45400553
Type	Freshwater – Rivers
Status	open
Location	easting northing: 447317 506041 lat lon: 54.447558, -1.271816
Area	Northumberland Durham And Tees
Sub-Area	Wear & Tees
Summary	68 samples taken between 2021 and 2013

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.

12 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH

Displaying the twenty most recent samples. You can see all 68 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Feb 2020 to 16 Dec 2021

Notation	Determinand	Units	11 Feb 2020 09:19	17 Mar 2020 09:34	7 May 2021 12:31	10 Jun 2021 08:04	12 Jul 2021 11:00	12 Aug 2021 11:05	18 Oct 2021 12:24	2 Nov 2021 13:52	23 Nov 2021 09:45	16 Dec 2021 11:32
0061	pH		8.14	8.15	8.31	8.13	8.03	7.98	7.44	7.9	7.99	8
0076	Temperature of Water	°C	3.9	7.1	6.9	15.2	14.8	14.7	11.6	8.3	5	6.9
0077	Conductivity at 25 C	μs/cm	455	442	405	451	348	437	419	315	401	413
0111	Ammoniacal Nitrogen as N	mg/l	0.063	0.034	0.043	0.046	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.031
0116	Nitrogen, Total Oxidised as N	mg/l	3.1	2.3	4.1	1.2	1.1	1.1	0.94	2	0.77	2
0117	Nitrate as N	mg/l	3.08	2.29	4.07	1.18	1.09	1.09	0.935	1.99	0.763	1.99
0118	Nitrite as N	mg/l	0.016	0.0088	0.035	0.017	0.0087	0.0065	0.0048	0.007	0.0074	0.012
0119	Ammonia un-ionised as N	mg/l	0.00073	0.0005	0.00062	0.00123	< 0.00078	< 0.00074	< 0.00017	< 0.00038	< 0.00037	0.00045
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	110	120	93	150	88	110	110	67	98	120
0180	Orthophosphate, reactive as P	mg/l	0.044	0.048	0.07	0.099	0.067	0.13	0.11	0.042	0.076	0.051
9901	Oxygen, Dissolved, % Saturation	%	86.1	97.9	107.2	94.5	94.4	100.4	86.1	97.4	93.7	97.5
9924	Oxygen, Dissolved as O2	mg/l	11.3	11.8	13	9.46	9.54	10.2	9.34	11.4	12	11.8

Samples from 21 Apr 2017 to 27 Jan 2020

Notation	Determinand	Units	21 Apr 2017 10:09	29 May 2019 13:00	12 Jun 2019 08:48	3 Jul 2019 10:26	10 Sep 2019 13:36	26 Sep 2019 12:20	18 Oct 2019 11:30	19 Nov 2019 10:42	17 Dec 2019 08:40	27 Jan 2020 07:59
0061	pH		8.23	8.1	7.94	8.12	7.94	7.93	8.21	8.14	8.03	8.25
0076	Temperature of Water	°C	10.1	10.9	10.5	12.7	11.9	14.1	10.2	4	3.9	5
0077	Conductivity at 25 C	μs/cm	479	481	363	445	517	408	403	377	405	470
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.204	< 0.03	< 0.03	< 0.03	0.072	0.04	0.075	0.28
0116	Nitrogen, Total Oxidised as N	mg/l	1.15	1.23	2.23	1.2	1.3	1.2	4.7	2.67	2.5	2.1
0117	Nitrate as N	mg/l	1.14	1.22	2.18	1.19	1.3	1.2	4.69	2.66	2.49	2.07
0118	Nitrite as N	mg/l	0.0093	0.009	0.0497	0.013	0.0044	< 0.004	0.015	0.0077	0.012	0.032
0119	Ammonia un-ionised as N	mg/l	< 0.00055	< 0.00058	0.00337	< 0.00067	< 0.00055	< 0.00063	0.00133	0.00047	0.00087	0.00354
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	119	124	89	110	130	97	82	93	110	130
0180	Orthophosphate, reactive as P	mg/l	0.067	0.229	0.193	0.11	0.18	0.13	0.097	0.032	0.053	0.093
9901	Oxygen, Dissolved, % Saturation	%	104.4	95.7	85.3	97.4	92.2	91.3	94	98.8	97.7	98.8
9924	Oxygen, Dissolved as O2	mg/l	11.7	10.6	9.5	10.3	9.94	9.36	10.5	12.9	12.8	12.6

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sampling point Potto Beck U/S R Leven

Determinands

Sampling results

Samples from 11 Feb 2020 to 16 Dec 2021

Samples from 21 Apr 2017 to 27 Jan 2020

sampling point
Potto Beck U/S R Leven