sampling point
River Yealm At Yealm Bridge

Description	RIVER YEALM AT YEALM BRIDGE
Sampling point ID	SW-81020118
Type	Freshwater – Rivers
Status	open
Location	easting northing: 259042 52002 lat lon: 50.351013, -3.982668
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	233 samples taken between 2017 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.

80 determinands have been measured at this site

Action taken
Ag- Filtered
Aldrin
Alky pH 4.5
Ammonia(N)
As-Filtered
BOD ATU
Calcium - Ca
Cd Filtered
ColfmF Conf
ColformsPre
Colour Filt
Cond @ 20C
Cond @ 25C
Cr- Filtered
Cu Filtered
DDE (PP')
DDT (OP')
DDT (PP)
DDT Derived
Dieldrin
E.coli C-MF
E.coli Pres
Endrin
F Coli Pre
HCH Alpha
HCH Beta
HCH Delta
HCH Gamma
HEXACHLORO 1
Hardness
Hdnss Ca
Hdnss Mg
Hexachlorbnz
Hg Filtered
Isodrin
MST Filter
Magnesium-Mg
Mineral Oils
N Inorganic
N Oxidised
NATGRIDREF
NH3 un-ion
Ni- Filtered
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
PCB Con 028
PCB Con 052
PCB Con 101
PCB Con 118
PCB Con 138
PCB Con 153
PCB Con 180
PCBs
Parathion
Pb Filtered
Phenol Odour
PhenolicOdor
Potassium- K
SALinsitu
Sld NV@500C
Sld Sus@105C
StrepF C-MF
StrepF PMF
TDE (PP)
Temp Water
Tot Coli CMF
Tot Drins(4)
Tot HCHs ABG
TurbidityNTU
Type of Flow
WethPresPrec
WethPresTemp
Zinc - as Zn
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 233 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 9 Feb 2015 to 27 Apr 2017

Notation	Determinand	Units	9 Feb 2015 14:02	27 May 2015 15:10	12 Aug 2015 10:14	10 Nov 2015 12:23	1 Mar 2016 12:59	6 Jun 2016 09:27	1 Sep 2016 09:13	9 Dec 2016 13:03	5 Jan 2017 11:00	27 Apr 2017 13:16
0061	pH		7.4	7.52	7.35	7.35	7.6	8.74	8.4	7.25	7.96	8.09
0076	Temperature of Water	°C	5.9	14.5	14.4	12.8	9.5	13.8	13.7	11.1	6.5	8.6
0077	Conductivity at 25 C	μs/cm	188	175	158	186	199	204	170	177	187	291
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	0.087	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.97	1.59	1.03	1.99	1.79	1.63	1.51	1.71	1.75	1.9
0117	Nitrate as N	mg/l	1.97	1.58	1.03	1.99	1.78	1.62	1.51	1.71	1.75	1.9
0118	Nitrite as N	mg/l	< 0.004	0.0062	< 0.004	< 0.004	0.0086	0.0059	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.0001	< 0.00026	< 0.00017	< 0.00015	0.00062	< 0.00072	< 0.00072	< 0.00011	< 0.00039	< 0.00049
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	46	42	31	43	42	45	42	44	44	54
0180	Orthophosphate, reactive as P	mg/l	0.017	0.037	0.036	0.026	0.049	0.039	0.039	0.02	0.015	0.016
9901	Oxygen, Dissolved, % Saturation	%	101.1	105.2	97.9	95.6	98.2	93.7	90.6	99	92.7	100.6
9924	Oxygen, Dissolved as O2	mg/l	12.6	10.7	9.98	10.1	11.2	9.67	9.38	10.9	11.4	11.7

Samples from 29 Aug 2013 to 4 Nov 2014

Notation	Determinand	Units	29 Aug 2013 15:40	6 Sep 2013 13:17	3 Oct 2013 12:54	21 Oct 2013 12:40	31 Oct 2013 13:06	16 Dec 2013 13:09	24 Jan 2014 13:06	10 Apr 2014 10:51	30 Jul 2014 10:53	4 Nov 2014 13:49
0061	pH		7.8	7.6	7.4	7.9	7.2	7.2	7.3	7.7	7.6	7.7
0076	Temperature of Water	°C	15.4	14.9	15.6	13.9	12.1	11	8.5	9.5	15.7	10.5
0077	Conductivity at 25 C	μs/cm		159				131	137	184	191	170
0085	BOD : 5 Day ATU	mg/l	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03		0.038	< 0.03	< 0.03	< 0.03	0.034	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l			1			1.1	1.18	1.85	1.64	1.36
0117	Nitrate as N	mg/l			0.992			1.1	1.18	1.85	1.64	1.36
0118	Nitrite as N	mg/l	< 0.004		0.0085	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00052		0.00027	< 0.00058	< 0.0001	< 9.0e-05	0.00011	< 0.00027	< 0.00034	< 0.00029
0135	Solids, Suspended at 105 C	mg/l	3.5		466	45.4	5.02	9.48
0162	Alkalinity to pH 4.5 as CaCO3	mg/l			33			29	37	47	47	43
0180	Orthophosphate, reactive as P	mg/l			0.063			0.028	0.038	< 0.02	0.04	0.027
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0		0	0	0
6450	Copper, Dissolved	μg/l	1.21		3.02	2.61	1.59	1.86
6455	Zinc	μg/l	< 5	< 5		13.7	< 5	5.53
6841	Phenolic Odour	pres/nf	0	0		0	0	0
9901	Oxygen, Dissolved, % Saturation	%	98.4	97.2		108.7	101.2	95	97.6	100	102	105.2
9924	Oxygen, Dissolved as O2	mg/l	9.81	9.8		11.2	10.9	10.5	11.4	11.4	10.1	11.7

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sampling point River Yealm At Yealm Bridge

Determinands

Sampling results

Samples from 9 Feb 2015 to 27 Apr 2017

Samples from 29 Aug 2013 to 4 Nov 2014

sampling point
River Yealm At Yealm Bridge