sampling point
Crooked Oak At A373 Bridge At Alswear

Description	CROOKED OAK AT A373 BRIDGE AT ALSWEAR
Sampling point ID	SW-73062502
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 272470 122280 lat lon: 50.985753, -3.818274
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	128 samples taken between 2015 and 2000

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.

32 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Cond @ 20C
Cond @ 25C
Cu Filtered
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
Mineral Oils
N Inorganic
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
PhenolicOdor
Potassium- K
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 128 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 24 Apr 2013 to 9 Sep 2015

Notation	Determinand	Units	24 Apr 2013 13:45	2 Jul 2013 11:34	9 Oct 2013 09:57	18 Feb 2014 09:03	1 May 2014 11:59	29 Aug 2014 11:58	11 Nov 2014 10:38	19 Mar 2015 10:49	15 Jun 2015 11:30	9 Sep 2015 12:40
0061	pH		8.2	7.6	7.82	7.48	7.58	7.8	7.5	7.6	7.3	7.8
0076	Temperature of Water	°C	11.1	13.4	13.4	7.1	11.7	14.3	11	4.7	13	11.7
0077	Conductivity at 25 C	μs/cm	173	200	163	136	131	158	137	149	164	154
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.04	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.044	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.02	1.25	2.22	2.21	1.54	1.93	2.3	2.31	1.22	2.21
0117	Nitrate as N	mg/l	1.02	1.23	2.22	2.21	1.54	1.93	2.29	2.3	1.21	2.21
0118	Nitrite as N	mg/l	< 0.004	0.0223	< 0.004	< 0.004	< 0.004	0.0046	0.0062	0.0059	0.008	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00059	0.00038	< 0.00047	< 0.00013	< 0.00024	< 0.00048	< 0.00019	< 0.00015	0.0002	< 0.00039
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	44	56	30	17	29	35	24	26	42	34
0180	Orthophosphate, reactive as P	mg/l	< 0.02	0.071	0.041	< 0.02	0.021	0.037	0.019	0.0236	0.0503	0.0421
9901	Oxygen, Dissolved, % Saturation	%	94.2	83	93.3	99.8	93.1	95	100	102	84	96.4
9924	Oxygen, Dissolved as O2	mg/l	10.3	8.65	9.72	12.1	10.1	9.7	11	13.1	8.83	10.4

Samples from 22 Jul 2009 to 15 Jan 2013

Notation	Determinand	Units	22 Jul 2009 13:45	19 Aug 2009 11:10	10 Sep 2009 09:10	7 Oct 2009 13:45	9 Nov 2009 12:55	23 Nov 2009 10:50	18 Jan 2010 13:20	16 Feb 2010 11:40	12 Mar 2010 10:20	15 Jan 2013 10:32
0061	pH		7.1	7.88	7.5	7.4	7.4	7.3	7.5	7.4	7.2	7.6
0076	Temperature of Water	°C	14.4	15.29	12	13.5	8.1	10.2	7.5	4.8	2.7	4.9
0077	Conductivity at 25 C	μs/cm	112	160	173	135	159	123	156	200	151	136
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.034	< 0.03	0.082	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.88	2.35	3.28	1.15	3.29	1.05	3.91	1.75	2.77	2.28
0117	Nitrate as N	mg/l	1.88	2.35	3.28	1.15	3.29	1.05	3.91	1.74	2.77	2.28
0118	Nitrite as N	mg/l	0.0045	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.0049	0.0075	0.0045	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.0001	< 0.00061	< 0.0002	< 0.00018	< 0.00012	0.00013	< 0.00015	0.00026	< 5.0e-05	< 0.00015
0135	Solids, Suspended at 105 C	mg/l	13.5	< 3	< 3	3.3	7.6	355	22	46.5	< 3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	30	36	30	49	26	24	20	25	29	26
0180	Orthophosphate, reactive as P	mg/l	< 0.02	0.036	0.024	0.036	< 0.02	0.021	< 0.02	0.028	< 0.02	< 0.02
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0	0	0	0
6450	Copper, Dissolved	μg/l	1.8	2	1	1.59	1	1.6	1.1	1.42	1.14
6455	Zinc	μg/l	< 5	< 5	< 5	< 5	< 5	41.9	5	11.7	< 5
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	95	95.2	95	90	106	90	111	89	92.8	99
9924	Oxygen, Dissolved as O2	mg/l	9.68	9.52	10.2	9.36	12.5	10.1	13.3	11.4	12.6	12.7

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sampling point Crooked Oak At A373 Bridge At Alswear

Determinands

Sampling results

Samples from 24 Apr 2013 to 9 Sep 2015

Samples from 22 Jul 2009 to 15 Jan 2013

sampling point
Crooked Oak At A373 Bridge At Alswear