sampling point
Sterridge Valley Stream Prior To Beach

Description	RIVER STERRIDGE PRIOR TO BEACH
Sampling point ID	SW-73110704
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 255750 148110 lat lon: 51.213917, -4.066655
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	57 samples taken between 2017 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.

14 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
Cond @ 20C
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
Type of Flow
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 1 Oct 2014 to 31 Jan 2017

Notation	Determinand	Units	1 Oct 2014 13:13	26 Feb 2015 10:36	14 May 2015 11:21	24 Aug 2015 11:21	11 Dec 2015 11:09	23 Mar 2016 11:27	15 Jun 2016 10:21	27 Oct 2016 14:18	13 Dec 2016 13:33	31 Jan 2017 11:47
0061	pH		8.1	7.84	7.7	7.97	7.8	7.89	8.1	7.94	7.9	7.72
0076	Temperature of Water	°C	14.9	9.5	10.7	13.2	10.3	8.1	15	11.5	10.9	10.6
0077	Conductivity at 25 C	μs/cm	317	207	287	216	253	271	306	285	255	278
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.053	0.095	0.089	0.053	< 0.03	< 0.03	0.042	0.192	0.075
0116	Nitrogen, Total Oxidised as N	mg/l	1.99	2.18	2.35	2.07	2.28	2.59	1.51	2.39	2.4	2.73
0117	Nitrate as N	mg/l	1.97	2.17	2.32	2.05	2.27	2.58	1.49	2.36	2.36	2.7
0118	Nitrite as N	mg/l	0.0175	0.0076	0.0281	0.0156	0.0132	0.007	0.0223	0.026	0.0361	0.0318
0119	Ammonia un-ionised as N	mg/l	< 0.00078	0.00065	0.00092	0.00192	0.00063	< 0.00037	< 0.00079	0.00075	0.00298	0.00076
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	108	55	92	60	82	85	107	91	79	85
0180	Orthophosphate, reactive as P	mg/l	0.086	0.044	0.058	0.045	0.038	0.058	< 0.01	0.055	0.063	0.052
9901	Oxygen, Dissolved, % Saturation	%	103	98.6	104	99	97	97.2	100	96.8	97	97.1
9924	Oxygen, Dissolved as O2	mg/l	10.4	11.2	11.5	10.4	10.9	11.5	10.1	10.5	10.7	10.8

Samples from 8 Jan 2010 to 7 Jul 2014

Notation	Determinand	Units	8 Jan 2010 12:45	26 Feb 2010 11:00	12 Mar 2010 12:45	8 Mar 2013 12:51	3 Jun 2013 11:11	23 Sep 2013 11:03	4 Dec 2013 10:38	23 Jan 2014 10:52	30 Apr 2014 12:23	7 Jul 2014 11:45
0061	pH		8.1	7.4	8.1	8	8.1	7.9	7.9	7.7	8	8
0076	Temperature of Water	°C	4.5	7.2	8.4	10.7	11.8	14.5	9	8.8	11.5	13.6
0077	Conductivity at 25 C	μs/cm	204	257	313	284	283	266	346	244	281	290
0111	Ammoniacal Nitrogen as N	mg/l	0.06	0.035	< 0.03	0.07	0.042	< 0.03	0.044	0.075	0.037	0.06
0116	Nitrogen, Total Oxidised as N	mg/l	2.98	2.78	2.89	2.43	2.09	1.8	2.53	2.84	2.34	2.03
0117	Nitrate as N	mg/l	2.97	2.77	2.89	2.42	2.07	1.79	2.52	2.82	2.32	1.99
0118	Nitrite as N	mg/l	0.0085	0.0082	< 0.004	0.0081	0.0214	0.0146	0.0139	0.0161	0.0167	0.0374
0119	Ammonia un-ionised as N	mg/l	0.00073	0.00013	< 0.00049	0.00134	0.00087	< 0.00061	0.00059	0.00063	0.00075	0.00142
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	85	79	118	93	96	83	91	76	89	94
0180	Orthophosphate, reactive as P	mg/l	0.028	0.162	< 0.02	0.041	0.04	0.055	0.045	0.032	0.038	0.056
9901	Oxygen, Dissolved, % Saturation	%	105	97	101	100	96.1	96	95.3	97	98	99
9924	Oxygen, Dissolved as O2	mg/l	13.6	11.7	11.8	11.1	10.4	9.76	11	11.2	10.7	10.3

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sampling point Sterridge Valley Stream Prior To Beach

Determinands

Sampling results

Samples from 1 Oct 2014 to 31 Jan 2017

Samples from 8 Jan 2010 to 7 Jul 2014

sampling point
Sterridge Valley Stream Prior To Beach