sampling point
Offwell Brook At Roadpitt Farm

Description	OFFWELL BROOK AT ROADPITT FARM
Sampling point ID	SW-70221203
Type	Freshwater – Rivers
Status	open
Location	easting northing: 321482 95324 lat lon: 50.752182, -3.114396
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	178 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
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Potassium- K
Sld NV@500C
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 178 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Jul 2023 to 17 Jun 2024

Notation	Determinand	Units	11 Jul 2023 08:53	31 Aug 2023 10:49	20 Sep 2023 09:21	5 Oct 2023 12:39	14 Nov 2023 09:36	5 Dec 2023 11:55	12 Jan 2024 12:40	2 Feb 2024 10:21	15 Mar 2024 08:36	17 Jun 2024 08:41
0061	pH		7.8	7.87	7.8	7.8	7.6	7.55	7.86	8	7.76	8.15
0076	Temperature of Water	°C	14.5	13.3	15.2	12.4	10.9	7.7	6	7.5	10	12.2
0077	Conductivity at 25 C	μs/cm	272	367	346	372	272	235	353	378	279	388
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.058	< 0.03	0.036	< 0.03	0.064	0.05	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.4	2.9	2.8	2.6	2.1	2.2	3.8	4.3	2.4	4.3
0117	Nitrate as N	mg/l	2.39	2.89	2.78	2.59	2.1	2.2	3.79	4.28	2.38	4.28
0118	Nitrite as N	mg/l	0.0084	0.0097	0.018	0.009	0.0049	0.005	0.011	0.017	0.017	0.023
0119	Ammonia un-ionised as N	mg/l	< 0.00048	< 0.00052	0.00099	< 0.00041	0.00028	< 0.00017	0.00063	0.00076	< 0.00032	< 0.00064
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	46	84	88	82	67	58	89	95	81	95
0180	Orthophosphate, reactive as P	mg/l	0.058	0.073	0.078	0.049	0.067	0.075	0.061	0.054	0.067	0.062
9901	Oxygen, Dissolved, % Saturation	%	97	100	95	96	94	99.2	100	98	94	98
9924	Oxygen, Dissolved as O2	mg/l	9.86	10.4	9.51	10.2	10.4	11.8	12.4	11.7	10.6	10.5

Samples from 8 Aug 2022 to 15 Jun 2023

Notation	Determinand	Units	8 Aug 2022 08:33	7 Sep 2022 08:25	7 Oct 2022 11:26	1 Nov 2022 12:29	7 Dec 2022 09:58	18 Jan 2023 11:22	1 Feb 2023 15:06	2 Mar 2023 11:11	2 May 2023 10:17	15 Jun 2023 08:37
0061	pH		7.9	7.76	7.87	7.5	7.9	7.92	7.98	8.39	8.1	8.2
0076	Temperature of Water	°C	13.6	15.4	12.7	12.7	5.3	4.8	7.1	6.5	10.1	14.3
0077	Conductivity at 25 C	μs/cm	371	372	373	302	350	274	371	392	352	419
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.043	0.034	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.5	2.3	2.6	2.5	2.6	2.8	4	4.4	3	4.7
0117	Nitrate as N	mg/l	3.49	2.29	2.6	2.49	2.59	2.8	3.99	4.39	2.99	4.68
0118	Nitrite as N	mg/l	0.0069	0.0053	< 0.004	0.0091	0.0062	0.0048	0.0078	0.0075	0.011	0.022
0119	Ammonia un-ionised as N	mg/l	< 0.00057	< 0.00047	< 0.0005	< 0.00021	< 0.00031	0.00045	0.00048	< 0.00042	< 0.00055	< 0.00075
0135	Solids, Suspended at 105 C	mg/l	< 3	4	9	37	< 3	4.6	6.9	3.6
0143	Solids, non-volatile at 500 C	mg/l	< 20	< 20	< 20	27	< 20	< 20	< 20	< 20
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	84	67	73	49	67	61	89	92	89	110
0180	Orthophosphate, reactive as P	mg/l	0.057	0.052	0.036	0.073	0.039	0.055	0.046	0.016	0.044	0.06
9901	Oxygen, Dissolved, % Saturation	%	96	94.5	105.3	95	99	100.3	100.6	106.8	100	99
9924	Oxygen, Dissolved as O2	mg/l	9.96	9.42	11.1	10.1	12.5	12.9	12.2	13.1	11.2	10.1

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sampling point Offwell Brook At Roadpitt Farm

Determinands

Sampling results

Samples from 11 Jul 2023 to 17 Jun 2024

Samples from 8 Aug 2022 to 15 Jun 2023

sampling point
Offwell Brook At Roadpitt Farm