sampling point
Penberth River At Bottoms

Description	BOTTOMS PENBERTH RIVER
Sampling point ID	SW-82210140
Type	Freshwater – Rivers
Status	open
Location	easting northing: 138577 24254 lat lon: 50.060824, -5.654015
Area	Devon And Cornwall
Sub-Area	West Devon And Cornwall
Summary	94 samples taken between 2019 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.

16 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
Cond @ 25C
E.coli C-MF
IE Pres
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Sld NV@500C
Sld Sus@105C
Temp Water
pH

Displaying the twenty most recent samples. You can see all 94 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 5 Dec 2017 to 10 Jun 2019

Notation	Determinand	Units	5 Dec 2017 11:36	2 Feb 2018 09:25	5 Apr 2018 14:24	25 Jun 2018 11:47	17 Aug 2018 14:23	5 Oct 2018 10:23	4 Dec 2018 12:58	13 Feb 2019 12:42	24 Apr 2019 14:53	10 Jun 2019 13:14
0061	pH		7.54	7.37	7.12	7.51	7.72	7.43	7.15	7.39	7.57	7.63
0076	Temperature of Water	°C	9.7	8.1	10.7	13.2	15.5	12.9	10.7	10.3	13.3	13
0077	Conductivity at 25 C	μs/cm	522	511	470	530	551	544	494	480	484	493
0111	Ammoniacal Nitrogen as N	mg/l	0.053	0.206	0.079	0.042	< 0.03	< 0.03	0.121	0.131	< 0.03	0.056
0116	Nitrogen, Total Oxidised as N	mg/l	13.4	15.7	14.8	15.9	14.3	13.7	13.5	15	14.7	13.1
0117	Nitrate as N	mg/l	13.4	15.6	14.8	15.9	14.3	13.7	13.4	15	14.7	13.1
0118	Nitrite as N	mg/l	0.0187	0.0629	0.0316	0.0462	0.0211	0.0173	0.0557	0.0365	0.0187	0.0465
0119	Ammonia un-ionised as N	mg/l	0.00033	0.00078	0.0002	0.00032	< 0.00043	< 0.00019	0.00033	0.00061	< 0.00026	0.00055
0135	Solids, Suspended at 105 C	mg/l	19.2	11.9	16.3	4.8	21.8	5.8	15.7	9	7.8	8.3
0143	Solids, non-volatile at 500 C	mg/l	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	56	46	42	55	65	64	44	39	46	55
0180	Orthophosphate, reactive as P	mg/l	0.064	0.063	0.046	0.079	0.126	0.114	0.068	0.049	0.038	0.069
2348	Escherichia coli : Confirmed : MF	no/100ml	126	270	117	2000	300	928	270	135	892	1364
3722	Enterococci: Intestinal: Presumptive: MF	cfu/0.1l	99	117	99	670	720	690	270	99	280	570
9901	Oxygen, Dissolved, % Saturation	%	95.5	94	97	97	93	94.5	97.2	99.5	99.1	95.5
9924	Oxygen, Dissolved as O2	mg/l	10.8	11.1	10.7	10.2	9.25	9.96	10.8	11.1	10.3	10

Samples from 16 Dec 2016 to 11 Oct 2017

Notation	Determinand	Units	16 Dec 2016 09:50	9 Feb 2017 14:26	20 Feb 2017 14:53	21 Mar 2017 12:13	20 Apr 2017 15:34	13 Jun 2017 13:09	27 Jun 2017 13:33	15 Aug 2017 12:05	21 Aug 2017 09:55	11 Oct 2017 15:15
0061	pH		7.25	7.32	7.46	7.35	7.54	7.48	7.45	7.4	7.76	7.3
0076	Temperature of Water	°C	10.9	8.5	11	9	12.7	13.3	14.3	15.6	15.3	14.2
0077	Conductivity at 25 C	μs/cm	510	502	508	457	520	524	530	481	501	502
0111	Ammoniacal Nitrogen as N	mg/l	0.094	0.257	0.176	0.031	0.434	0.053	0.055	0.076	< 0.03	0.071
0116	Nitrogen, Total Oxidised as N	mg/l	13.4	14	14.8	14.4	16.6	13.8	15.3	7.44	10.6	13.1
0117	Nitrate as N	mg/l	13.3	14	14.7	14.4	16.6	13.8	15.2	7.41	10.6	13
0118	Nitrite as N	mg/l	0.0756	0.0491	0.0808	0.0245	0.0334	0.0455	0.0612	0.0329	0.0204	0.0591
0119	Ammonia un-ionised as N	mg/l	0.00033	0.00089	0.00101	0.00012	0.00339	0.00038	0.00039	0.00053	< 0.00047	0.00036
0135	Solids, Suspended at 105 C	mg/l	13.7		16.5		12.5	6.5		24.9		18.2
0143	Solids, non-volatile at 500 C	mg/l	< 20		< 20		< 20	< 20		< 20		< 20
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	49	44	46	44	43	57	57	66	59	55
0180	Orthophosphate, reactive as P	mg/l	0.095	0.084	0.094	0.069	0.033	0.08	0.099	0.144	0.111	0.076
2348	Escherichia coli : Confirmed : MF	no/100ml	2100		162		1636	892		5200		440
3722	Enterococci: Intestinal: Presumptive: MF	cfu/0.1l	7000		200		200	450		3300		162
9901	Oxygen, Dissolved, % Saturation	%	99.5	99.5	100	97.5	98	95.5	98	101.2	94.5	96.4
9924	Oxygen, Dissolved as O2	mg/l	11	11.6	11	11.3	10.4	9.97	10	10	9.44	9.87

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sampling point Penberth River At Bottoms

Determinands

Sampling results

Samples from 5 Dec 2017 to 10 Jun 2019

Samples from 16 Dec 2016 to 11 Oct 2017

sampling point
Penberth River At Bottoms