sampling point
River Okement At South Dornaford

Description	RIVER OKEMENT AT SOUTH DORNAFORD BELOW HILL BARTON STW
Sampling point ID	SW-72940158
Type	Freshwater – Rivers
Status	open
Location	easting northing: 259990 100050 lat lon: 50.783071, -3.987443
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	94 samples taken between 2024 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.

28 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Cond @ 25C
Cu Filtered
E.coli C-MF
Hardness
Hdnss Ca
Hdnss Mg
IE Conf
IE Pres
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Potassium- K
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 94 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 29 Aug 2023 to 9 Jul 2024

Notation	Determinand	Units	29 Aug 2023 11:32	1 Sep 2023 10:44	24 Oct 2023 12:45	7 Nov 2023 13:00	5 Dec 2023 12:10	12 Jan 2024 10:17	1 Feb 2024 12:48	30 May 2024 14:23	19 Jun 2024 11:45	9 Jul 2024 11:18
0061	pH		7.3	7.45	7.6	6.8	6.74	7.17	7.28	7.47	7.48	7.73
0076	Temperature of Water	°C	13.8	15.4	11.1	10.8	7.6	5.9	8.1	12.7	13.3	14.6
0077	Conductivity at 25 C	μs/cm	90	75	87	85	58	118	115	107	111	143
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.87	0.58	1.1	0.96	0.42	1.4	1.2	1.2	1.3	0.21
0117	Nitrate as N	mg/l	0.866	0.576	1.1	0.956	0.416	1.39	1.2	1.2	1.3	0.206
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.008	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00015	< 0.00023	< 0.00024	< 4.0e-05	< 3.0e-05	< 6.0e-05	< 9.0e-05	< 0.0002	< 0.00021	< 0.00042
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	11	9	11	10	6	11	12	15	15	9
0180	Orthophosphate, reactive as P	mg/l	0.099	0.067	0.069	0.013	0.012	0.039	0.058	0.16	0.15	0.049
2348	Escherichia coli : Confirmed : MF	no/100ml	770	2500	2500	3000	2400
3722	Enterococci: Intestinal: Presumptive: MF	cfu/0.1l	550	1400	670	1500	29000
3723	Enterococci: Intestinal: Confirmed: MF	cfu/0.1l	550	1400	540	1500	29000
9901	Oxygen, Dissolved, % Saturation	%	102	100.5	96.4	100.8	101.5	100.4	99.7	98.9	100.2	98.2
9924	Oxygen, Dissolved as O2	mg/l	10.5	10	10.6	11.1	12.1	12.5	11.8	10.5	10.5	9.96

Samples from 28 Jul 2022 to 12 Jun 2023

Notation	Determinand	Units	28 Jul 2022 12:00	16 Aug 2022 13:10	6 Sep 2022 10:32	27 Oct 2022 12:13	14 Nov 2022 14:17	8 Dec 2022 14:25	19 Jan 2023 15:45	23 Feb 2023 13:48	15 Mar 2023 11:25	12 Jun 2023 10:58
0061	pH		7.37	7.31	7.26	7.69	7.53	7.81	7.12	7.43	7.23	7.38
0076	Temperature of Water	°C	15.3	17.6	15.4	14	12.3	5.6	6.6	6.8	6.9	15.7
0077	Conductivity at 25 C	μs/cm	121	427	137	109	88	121	106	143	101	121
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.037	0.12
0116	Nitrogen, Total Oxidised as N	mg/l	1.1	1.4	1.1	1.1	0.87	1.2	1.3	1.3	1.1	0.94
0117	Nitrate as N	mg/l	1.1	1.4	1.1	1.1	0.866	1.2	1.3	1.29	1.1	0.924
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.013	< 0.004	0.016
0119	Ammonia un-ionised as N	mg/l	< 0.00019	< 0.0002	< 0.00015	< 0.00036	< 0.00022	< 0.00026	< 6.0e-05	< 0.00012	9.0e-05	0.00081
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	15	14	14	12	9	13	8	17	11	19
0180	Orthophosphate, reactive as P	mg/l	0.2	0.2	0.11	0.065	0.029	0.086	0.022	0.16	0.036	0.15
2348	Escherichia coli : Confirmed : MF	no/100ml	1100	2000	1500	1900	660	1500		500	3600
3722	Enterococci: Intestinal: Presumptive: MF	cfu/0.1l	470	1200	2000	3100	2000	500		380	2500
3723	Enterococci: Intestinal: Confirmed: MF	cfu/0.1l	470	1200	1800	3100	1800	500		380	2300
9901	Oxygen, Dissolved, % Saturation	%	105.2	99.2	100.1	96.1	99.7	99.2	100.1	100.3	101.1	99.3
9924	Oxygen, Dissolved as O2	mg/l	10.5	9.44	9.98	9.88	10.6	12.5	12.3	12.2	12.3	9.84

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sampling point River Okement At South Dornaford

Determinands

Sampling results

Samples from 29 Aug 2023 to 9 Jul 2024

Samples from 28 Jul 2022 to 12 Jun 2023

sampling point
River Okement At South Dornaford