sampling point
Crinnis Stream U/S Minewater At Cuddra

Description	CRINNIS STREAM UPSTREAM OF MINEWATER AT CUDDRA
Sampling point ID	SW-81710127
Type	Freshwater – Rivers
Status	open
Location	easting northing: 204912 52751 lat lon: 50.342288, -4.743115
Area	Devon And Cornwall
Sub-Area	West Devon And Cornwall
Summary	15 samples taken between 2024 and 2017

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.

52 determinands have been measured at this site

Al- Filtered
Alky pH 4.5
Aluminium-Al
Ammonia(N)
B - Filtered
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
IonicBalance
Iron - as Fe
K- Filtered
Lead - as Pb
Lithium - Li
Lithium Filt
Magnesium-Mg
Manganse-Mn
Mg Filtered
Mn- Filtered
N Oxidised
Na- Filtered
Ni- Filtered
Nickel - Ni
Nitrite-N
Orthophospht
Pb Filtered
Potassium- K
SO4dis
SiO2 Rv
Sld Sus@105C
Sodium - Na
Strontium-Sr
StrontumFilt
Sulphate SO4
Temp Water
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Samples from 1 Feb 2018 to 27 Mar 2024

Notation	Determinand	Units	1 Feb 2018 11:20	20 Mar 2018 13:04	17 Apr 2018 12:21	22 May 2018 11:15	12 Jan 2024 11:33	23 Jan 2024 10:24	7 Feb 2024 10:09	14 Feb 2024 10:00	14 Mar 2024 10:53	27 Mar 2024 11:00
0050	Lead	μg/l	< 2	< 2	< 2	< 2
0052	Lead, Dissolved	μg/l	< 0.1	< 0.1	0.149	0.812	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1
0061	pH		6.75	6.68	6.78	6.9	6.48	6.52	6.57	6.76	6.72	6.86
0076	Temperature of Water	°C	9.8	11.1	12.1	15.4
0077	Conductivity at 25 C	μs/cm	232	220.1	237.5	240.2
0106	Cadmium, Dissolved	μg/l	0.0563	0.0659	0.0638	0.0875	0.057	0.065	0.051	0.044	0.045	0.043
0108	Cadmium	μg/l	< 0.1	< 0.1	< 0.1	< 0.1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.09	3.43	2.68	2.81
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.007	0.0052
0135	Solids, Suspended at 105 C	mg/l	5.05	< 3	5.8	3.17
0158	Hardness, Total as CaCO3	mg/l	54.5	55.3	51.6	61.2
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	26	24	23	28
0172	Chloride	mg/l	30.7	31.1	37.3	31.1
0177	Fluoride	mg/l	0.063	0.071	0.081	0.069
0180	Orthophosphate, reactive as P	mg/l	0.016	0.032	< 0.01	< 0.01
0182	Silica, reactive as SiO2	mg/l	5.68	6.14	5.5	5.65
0183	Sulphate as SO4	mg/l	19.5	21.7	19.4	25.3
0205	Sodium, Dissolved	mg/l	18.9	18.9	22.3	19.2
0207	Sodium	mg/l	18.9	18.4	21.5	19.4
0209	Potassium, Dissolved	mg/l	2.73	2.8	2.48	2.76
0211	Potassium	mg/l	2.76	2.77	2.48	2.81
0235	Magnesium, Dissolved	mg/l	4.27	4.76	4.46	5.95	4.2	3.7	3.5	3.5	3.6	3.4
0237	Magnesium	mg/l	4.38	4.83	4.49	5.96
0239	Calcium, Dissolved	mg/l	14.8	14.3	13.3	14.7	14	14	14	14	14	15
0241	Calcium	mg/l	15.1	13.5	13	14.6
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	1.51	1.09	1.88	1.1	1.6	1.5	1.9	1.7	1.6	1.9
3164	Chromium	μg/l	< 0.5	< 0.5	0.564	< 0.5
3169	pH : In Situ		6.62	6.51	6.53	6.48
3408	Zinc, Dissolved	μg/l	30.3	29	31.4	39.7	23	29	19	18	18	17
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	8.88	10.3	9.26	14.7	7.2	4.6	4.7	4.5	4.5	4.4
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	25.6	15.5	18.3	< 10	22	17	27	24	24	29
6050	Manganese	μg/l	19.4	18.7	22.9	30.4
6051	Iron	μg/l	366	329	508	518
6057	Aluminium	μg/l	90.8	34.7	131	19.7
6059	Boron	μg/l	< 100	< 100	< 100	< 100
6062	Barium	μg/l	< 10	< 10	< 10	< 10
6063	Strontium	μg/l	57.2	58.2	52.7	60
6064	Lithium	μg/l	< 100	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	11	11.4	12	10.7	8.1	7.3	7.8	7	6.5	7.6
6452	Copper	μg/l	20.1	12.7	15.4	14.2
6455	Zinc	μg/l	30.6	29.8	38.4	40.5
6458	Manganese, Dissolved	μg/l	17.1	18.2	19.4	29.7
6460	Iron, Dissolved	μg/l	203	233	248	305
6462	Nickel	μg/l	9.22	10.5	9.74	14.9
6693	Strontium, Filtered	μg/l	56.3	57.4	52.8	59.5
7044	Ionic Balance	%	-0.129	-2.77	-2.18	-0.675
7859	Sulphate, Dissolved as SO4	mg/l	19.1	21.4	19.3	25.2
9446	Barium, Dissolved	μg/l	< 10	< 10	< 10	10.2
9447	Boron, Dissolved	μg/l	< 100	< 100	< 100	< 100

Samples from 30 Aug 2017 to 17 Jan 2018

Notation	Determinand	Units	30 Aug 2017 12:12	29 Sep 2017 13:25	19 Oct 2017 14:15	15 Nov 2017 15:20	17 Jan 2018 12:42
0050	Lead	μg/l	< 2	< 2	< 2	< 2	< 2
0052	Lead, Dissolved	μg/l	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1
0061	pH		6.67	6.79	6.53	6.65	6.68
0076	Temperature of Water	°C	15.8	14.7	13.8	12.9	10
0077	Conductivity at 25 C	μs/cm	221.8	211.3	218	229.3	258.9
0106	Cadmium, Dissolved	μg/l	0.0853	0.0604	0.0845	0.0767	0.0659
0108	Cadmium	μg/l	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1
0111	Ammoniacal Nitrogen as N	mg/l	0.033	< 0.03	0.051	0.044	0.042
0116	Nitrogen, Total Oxidised as N	mg/l	2.41	2.89	3.08	3.28	3.41
0118	Nitrite as N	mg/l	0.0063	< 0.004	< 0.004	< 0.004	< 0.004
0135	Solids, Suspended at 105 C	mg/l	< 3	< 3	4.43	3.35	4.22
0158	Hardness, Total as CaCO3	mg/l	59.1	54	62.2	56.9	57.9
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	29	24	27	28	27
0172	Chloride	mg/l	26.1	23.5	27.1	26.1	36.3
0177	Fluoride	mg/l	0.061	0.075	0.072	0.07	0.071
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
0182	Silica, reactive as SiO2	mg/l	6.17	6.24	6.16	6	5.7
0183	Sulphate as SO4	mg/l	23.2	19.4	23.7	23.6	20.8
0205	Sodium, Dissolved	mg/l	16.7	16	18.3	16.7	21.8
0207	Sodium	mg/l	15.8	15.4	16.6	16.9	22.2
0209	Potassium, Dissolved	mg/l	2.57	2.77	2.83	2.68	2.8
0211	Potassium	mg/l	2.73	2.79	2.86	2.75	2.84
0235	Magnesium, Dissolved	mg/l	5.99	4.69	6	5.28	4.72
0237	Magnesium	mg/l	5.79	4.67	5.73	5.37	4.71
0239	Calcium, Dissolved	mg/l	13.8	13.9	15	14.1	15.4
0241	Calcium	mg/l	13.1	13.7	13.9	14.4	15.6
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	1.39	1.45	0.94	0.97	1.31
3164	Chromium	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3169	pH : In Situ		6.93	6.61	6.3	6.35	6.53
3408	Zinc, Dissolved	μg/l	48.1	35	43.5	39.5	33.1
3409	Chromium, Dissolved	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	17.3	10.1	15	13.7	10.5
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	10.7	16.1	10.1	< 10	17.4
6050	Manganese	μg/l	28.9	18.8	29.9	24.5	20.1
6051	Iron	μg/l	581	386	553	464	410
6057	Aluminium	μg/l	34.2	42.1	35.7	26.9	69.7
6059	Boron	μg/l	< 100	< 100	< 100	< 100	< 100
6062	Barium	μg/l	< 10	< 10	< 10	< 10	< 10
6063	Strontium	μg/l	54.9	54.3	56.8	57.6	58.9
6064	Lithium	μg/l	< 100	< 100	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	13	10.5	11.9	11.3	10.5
6452	Copper	μg/l	16.7	12.4	13.1	13	12.1
6455	Zinc	μg/l	48.7	38.9	40.2	39.1	35.1
6458	Manganese, Dissolved	μg/l	28.4	17.7	29.9	22.9	18.7
6460	Iron, Dissolved	μg/l	374	267	314	332	287
6462	Nickel	μg/l	16	10.4	13.7	13.6	10.3
6693	Strontium, Filtered	μg/l	55.9	56	58.4	56.9	59.6
7044	Ionic Balance	%	-2.16	1.59	-1.42	-1.38	-0.794
7859	Sulphate, Dissolved as SO4	mg/l	23.9	20.4	25.2	23.3	21
9446	Barium, Dissolved	μg/l	< 10	< 10	< 10	< 10	< 10
9447	Boron, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100

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sampling point Crinnis Stream U/S Minewater At Cuddra

Determinands

Sampling results

Samples from 1 Feb 2018 to 27 Mar 2024

Samples from 30 Aug 2017 to 17 Jan 2018

sampling point
Crinnis Stream U/S Minewater At Cuddra