sampling point
Esk D/S Forge Bridge

Description	RSN1719 ESK D/S FORGE BRIDGE
Sampling point ID	NW-RSN1719
Type	Freshwater – Rivers
Status	open
Location	easting northing: 314900 499500 lat lon: 54.383837, -3.311835
Area	Cumbria And Lancashire
Sub-Area	Morecombe Bay
Summary	12 samples taken during 2021

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.

15 determinands have been measured at this site

Alk-Gran
Ammonia(N)
C - Org Filt
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Phosphorus-P
SiO2 Rv
Temp Water
pH

Samples from 5 Mar 2021 to 8 Dec 2021

Notation	Determinand	Units	5 Mar 2021 12:50	6 Apr 2021 14:10	20 May 2021 10:45	30 Jun 2021 15:05	29 Jul 2021 11:29	25 Aug 2021 13:27	22 Sep 2021 13:28	5 Oct 2021 11:32	12 Nov 2021 11:10	8 Dec 2021 14:30
0061	pH		7.15	7.35	8.05	8.41	7.51	7.2	7.24	6.51	7.07	6.04
0076	Temperature of Water	°C	4.8	5.6	10.3	17	14	14.8	14.6	10.2	9.9	5.3
0077	Conductivity at 25 C	μs/cm	46	46	44	48	29	35	39	28	30	33
0111	Ammoniacal Nitrogen as N	mg/l	0.0024	< 0.002	0.008	0.0063	< 0.002	0.0035	0.0021	0.0025	0.0034	0.004
0116	Nitrogen, Total Oxidised as N	mg/l	0.61	0.54	0.4	0.42	0.23	0.3	0.27	0.26	0.25	0.41
0117	Nitrate as N	mg/l	0.609	0.539	0.392	0.418	0.229	0.299	0.269	0.259	0.249	0.409
0118	Nitrite as N	mg/l	< 0.001	< 0.001	0.0085	0.0018	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
0119	Ammonia un-ionised as N	mg/l	< 1.0e-05	< 1.0e-05	0.00015	0.00019	< 2.0e-05	1.0e-05	< 1.0e-05	< 1.0e-05	< 1.0e-05	< 1.0e-05
0180	Orthophosphate, reactive as P	mg/l	< 0.001	< 0.001	0.016	0.0017	0.0013	0.0016	0.0016	< 0.001	< 0.001	0.0015
0182	Silica, reactive as SiO2	mg/l	3.1	2.9	2.1	2.9	1.9	2.6	2.8	2.1	2.1	2.2
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	1	0.86	1.7	1.6	2.8	2.3	2.2	3	2.9	2
0348	Phosphorus, Total as P	mg/l	0.0014	< 0.001	0.021	0.0057	0.012	0.0044	0.0046	0.0049	0.0046	0.0032
7610	Alkalinity to pH 4.5 : Grans Plot	mg/l	6.4	6.7	6.6	9	3	5.2	7.4	2.1	1.7	1.8
9901	Oxygen, Dissolved, % Saturation	%	103.8	107.2	103.7	97.5	93.3	108.3	103.2	100.5	100.7	99.9
9924	Oxygen, Dissolved as O2	mg/l	13.3	13.5	11.6	9.4	9.59	10.9	10.5	11.3	11.4	12.6

Samples from 26 Jan 2021 to 9 Feb 2021

Notation	Determinand	Units	26 Jan 2021 11:38	9 Feb 2021 10:07
0061	pH		8.56	7.15
0076	Temperature of Water	°C	3.8	1
0077	Conductivity at 25 C	μs/cm	49	44
0111	Ammoniacal Nitrogen as N	mg/l	0.0021	0.0024
0116	Nitrogen, Total Oxidised as N	mg/l	0.59	0.65
0117	Nitrate as N	mg/l	0.589	0.649
0118	Nitrite as N	mg/l	< 0.001	< 0.001
0119	Ammonia un-ionised as N	mg/l	2.0e-05	< 1.0e-05
0180	Orthophosphate, reactive as P	mg/l	< 0.001	0.0011
0182	Silica, reactive as SiO2	mg/l	2.9	3.1
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	1.3	1
0348	Phosphorus, Total as P	mg/l	0.0039	< 0.001
7610	Alkalinity to pH 4.5 : Grans Plot	mg/l	5.5	5.1
9901	Oxygen, Dissolved, % Saturation	%	98.1	100.7
9924	Oxygen, Dissolved as O2	mg/l	12.9	14.3