sampling point
Tregrehan Strm At Carlyon Bay Rd Bridge

Description	TREGREHAN STREAM AT CARLYON BAY ROAD BRIDGE
Sampling point ID	SW-81710119
Type	Freshwater – Rivers
Status	open
Location	easting northing: 205500 52750 lat lon: 50.342474, -4.734861
Area	Devon And Cornwall
Sub-Area	West Devon And Cornwall
Summary	93 samples taken between 2018 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.

65 determinands have been measured at this site

Action taken
Al- Filtered
Alky pH 4.5
Aluminium-Al
Ammonia(N)
Arsenic - As
As-Filtered
B - Filtered
BOD ATU
Ba- Filtered
Barium - Ba
Boron - as B
C - Org Filt
Ca Filtered
Cadmium - Cd
Calcium - Ca
Cd Filtered
Chloride Ion
Chromium -Cr
Cond @ 25C
Copper - Cu
Cr- Filtered
Cu Filtered
Fe- Filt
Fluoride - F
Hardness
Hdnss Ca
Hdnss Mg
IonicBalance
Iron - as Fe
K- Filtered
Lead - as Pb
Lithium - Li
Lithium Filt
Magnesium-Mg
Manganse-Mn
Mg Filtered
Mn- Filtered
N Inorganic
N Oxidised
NH3 un-ion
Na- Filtered
Ni- Filtered
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Pb Filtered
Potassium- K
SO4dis
SiO2 Rv
Sld Sus@105C
Sodium - Na
Strontium-Sr
StrontumFilt
Sulphate SO4
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 93 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 26 Sep 2013 to 22 May 2018

Notation	Determinand	Units	26 Sep 2013 11:15	30 Aug 2017 09:50	29 Sep 2017 11:50	19 Oct 2017 11:30	15 Nov 2017 14:00	17 Jan 2018 10:22	1 Feb 2018 09:20	20 Mar 2018 11:24	17 Apr 2018 10:45	22 May 2018 10:00
0050	Lead	μg/l	< 2	< 2	< 2	< 2	< 2	< 2		< 2	< 2	< 2
0052	Lead, Dissolved	μg/l	< 2	0.108	0.14	< 0.1	0.341	< 0.1	0.137	< 0.1	< 0.1	0.141
0061	pH		6.88	7.38	7.43	7.3	7.41	7.34	7.3	7.31	7.32	7.29
0076	Temperature of Water	°C	15.1	14	14	13.1	11.8	8.5	8.8	8.6		14.1
0077	Conductivity at 25 C	μs/cm	196	176	170.1	178	176.7	188.5	179.3	176.5		174.6
0106	Cadmium, Dissolved	μg/l	< 0.1	< 0.01	< 0.01	< 0.01	0.0116	0.0138	0.0147	0.0128	0.0121	< 0.01
0108	Cadmium	μg/l	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1		< 0.1	< 0.1	< 0.1
0111	Ammoniacal Nitrogen as N	mg/l	0.078	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.033	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.64	2.03	2.25	2.5	2.52	3.08	2.74	2.75	2.34	2.3
0118	Nitrite as N	mg/l	0.0126	0.0111	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0135	Solids, Suspended at 105 C	mg/l	11.4	6.67	8.53	4.03	5.72	9.32	12.8	7.53	5.45	5.7
0158	Hardness, Total as CaCO3	mg/l	49.2	33	34.1	36.5	35	39.4	37.2	33.5	30.9	31.4
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	24	15	17	14	17	16	18	16	14	15
0172	Chloride	mg/l	22.2	21.4	20.7	22.5	22.2	24.6	24.9	23.9	23.2	22.7
0177	Fluoride	mg/l		0.196	0.173	0.19	0.163	0.128	0.095	0.161	0.187	0.193
0180	Orthophosphate, reactive as P	mg/l		0.014	0.019	0.013	0.011	0.018	0.026	0.037	< 0.01	0.014
0182	Silica, reactive as SiO2	mg/l	5.15	5.31	5.71	5.97	6.13	5.82	5.49	5.51	5.08	5.59
0183	Sulphate as SO4	mg/l	18.4	21.3	16.6	19.3	17.3	13.8		17.5	18.9	19.8
0205	Sodium, Dissolved	mg/l	14.6	18.3	15.7	17.6	16	17.8	15.6	16.9	17.3	18.2
0207	Sodium	mg/l	14.3	18.1	16	16.8	16.3	17		16.8	17.7	18.2
0209	Potassium, Dissolved	mg/l	2.39	2.7	2.54	2.68	2.4	2.59	2.62	2.5	2.25	2.33
0211	Potassium	mg/l	2.35	2.76	2.51	2.63	2.47	2.59		2.42	2.28	2.39
0235	Magnesium, Dissolved	mg/l	4.62	3.11	2.8	3.04	2.84	2.89	2.74	2.66	2.61	2.84
0237	Magnesium	mg/l	4.78	3.06	2.85	3.01	2.89	2.87		2.72	2.71	2.92
0239	Calcium, Dissolved	mg/l	12.1	8.1	9.04	9.61	9.33	11	10.4	9.02	8.08	7.9
0241	Calcium	mg/l	12	8.07	9.15	9.07	9.4	10.4		8.76	8.35	7.99
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	1.44	1.85	3.15	1.99	1.75	2.28	2.53	1.95	2.02	1.55
3164	Chromium	μg/l	0.613	< 0.5	< 0.5	< 0.5	< 0.5	0.592		< 0.5	< 0.5	< 0.5
3169	pH : In Situ		6.7	7.48	7.43	6.99	7.02	7.35	7.42	7.69		7.46
3408	Zinc, Dissolved	μg/l	67.4	3.42	5.95	6.04	5.58	7.9	7.55	6.84	6.58	4.2
3409	Chromium, Dissolved	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	9.48	0.523	0.557	< 0.5	0.544	0.686	0.728	< 0.5	0.621	< 0.5
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	< 10	27.6	56.4	28.6	83.1	55.8	55.3	50.1	44.8	33.3
6045	Arsenic, Dissolved	μg/l	1.18
6046	Arsenic	μg/l	2.19
6050	Manganese	μg/l	19.6	16.6	12.8	14.4	13.7	18.7		15	14.7	< 10
6051	Iron	μg/l	511	239	212	191	155	254		134	160	102
6057	Aluminium	μg/l	129	105	109	88.4	87.3	193		109	115	71.3
6059	Boron	μg/l	< 100	< 100	< 100	< 100	< 100	< 100		< 100	< 100	< 100
6062	Barium	μg/l	< 10	< 10	< 10	< 10	< 10	< 10		< 10	< 10	< 10
6063	Strontium	μg/l	50.6	34.9	37.8	38.8	39.8	42.9		39.2	35.8	34.7
6064	Lithium	μg/l	< 100	< 100	< 100	< 100	< 100	< 100		< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	47.6	2.08	2.79	2.51	2.41	2.56	2.41	2.13	2.85	2.13
6452	Copper	μg/l	58.4	2.95	3.19	3.11	2.51	4.23		2.58	3.5	2.66
6455	Zinc	μg/l	72.3	6.7	6.67	7.46	< 5	13.7		6.49	8.74	6.05
6458	Manganese, Dissolved	μg/l	15.3	< 10	< 10	< 10	13.7	< 10	10.2	10.8	< 10	< 10
6460	Iron, Dissolved	μg/l	112	53	85.6	46.2	148	45.6	58.6	36.3	33	37
6462	Nickel	μg/l	9.57	< 1	< 1	< 1	< 1	1.65		< 1	< 1	1.74
6693	Strontium, Filtered	μg/l	50.5	34.8	38.2	38.3	39.6	43	41.8	38	34.9	34
7044	Ionic Balance	%	-0.0851	0.702	0.754	0.134	-0.892	1.31		-3.34	-0.892	-0.808
7859	Sulphate, Dissolved as SO4	mg/l	18.8	21.9	17.2	19.4	17.2	13.8	12.7	16.9	18.2	19.6
9446	Barium, Dissolved	μg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
9447	Boron, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
9901	Oxygen, Dissolved, % Saturation	%	90

Samples from 20 Mar 2006 to 28 Nov 2006

Notation	Determinand	Units	20 Mar 2006 12:45	6 Apr 2006 12:15	9 May 2006 13:50	28 Jun 2006 13:00	21 Jul 2006 13:20	8 Aug 2006 11:05	11 Sep 2006 12:30	13 Oct 2006 14:10	9 Nov 2006 13:10	28 Nov 2006 12:30
0061	pH		7.53	6.58	7.22	8.08	7.73	6.78	7.5	6.82	6.56	7.01
0076	Temperature of Water	°C	8.5	12.6	13.3	16.5	17.3	17.2	16	15.1	10.8	13.1
0085	BOD : 5 Day ATU	mg/l	1.4	< 1	< 1	1.5	< 1	2.1	< 1	< 1	< 1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	0.059	0.031	0.041	0.051	< 0.03	< 0.03	< 0.03	0.036	0.077	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.44	3.22	2.42	3.29	2.73	2.86	2.58	2.71	1.97	3.21
0117	Nitrate as N	mg/l	3.44	3.22	2.42	3.29	2.73	2.86	2.58	2.71	1.97	3.21
0118	Nitrite as N	mg/l	0.0049	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00033	3.0e-05	0.00016	0.00149	< 0.00051	< 6.0e-05	< 0.00027	6.0e-05	6.0e-05	< 7.0e-05
0180	Orthophosphate, reactive as P	mg/l	0.021	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	0.023	< 0.02	< 0.02	< 0.02
0211	Potassium	mg/l	2.36	2.42	4.29	2.5	2.64	2.73
1183	Weather : Precipitation		2	1	1	2	1	1	1	2	1	2
3267	Type of flow as description		3	3	3	3	3	3	3	3	3	4
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	3.5	3.25	2.46	3.34	2.76	2.89
6450	Copper, Dissolved	μg/l	2	52.9	2.2	55.5	1.7	61.7	2.5	45.2	3.8	41.3
6455	Zinc	μg/l	6.1	60.3	16	89.2	6.5	92.1	6.4	66	41.5	53.3
9901	Oxygen, Dissolved, % Saturation	%	97	92.5	98	91	100	90.6	88.1	86.5	103	93.2
9924	Oxygen, Dissolved as O2	mg/l	11.3	9.81	10.2	8.86	9.58	8.7	8.67	8.68	11.4	9.77

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sampling point Tregrehan Strm At Carlyon Bay Rd Bridge

Determinands

Sampling results

Samples from 26 Sep 2013 to 22 May 2018

Samples from 20 Mar 2006 to 28 Nov 2006

sampling point
Tregrehan Strm At Carlyon Bay Rd Bridge