sampling point
R Isle Us Chard Stw

Description	R ISLE US CHARD STW
Sampling point ID	SW-E2030800
Type	Freshwater – Rivers
Status	open
Location	easting northing: 334073 111259 lat lon: 50.897027, -2.938809
Area	Wessex
Sub-Area	West Wessex
Summary	143 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.

35 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOR A
CHLOROPHYLL
Calcium - Ca
Chlorophyl-A
Cond @ 25C
Cr- Filtered
Cu Filtered
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
Ni- Filtered
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
OrthophsFilt
Oxygen Diss
Pb Filtered
Phosphorus-P
Potassium- K
SiO2 Rv
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 143 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 22 Oct 2020 to 20 Jun 2024

Notation	Determinand	Units	22 Oct 2020 11:38	12 Nov 2020 09:27	8 Dec 2020 10:06	14 Jan 2021 08:56	5 Feb 2021 09:51	16 Mar 2021 09:51	14 Apr 2021 13:51	13 May 2021 10:35	10 Jun 2021 09:02	20 Jun 2024 09:59
0061	pH		8.09	7.44	7.88	7.44	7.82	8.3	8.68	7.82	8.07	8.12
0076	Temperature of Water	°C	12.4	10.1	5.6	8.5	6.8	9.2	11.3	11.3	16.2	13.2
0077	Conductivity at 25 C	μs/cm	354	370	375	396	315	396	424	366	399	643
0085	BOD : 5 Day ATU	mg/l										2.2
0111	Ammoniacal Nitrogen as N	mg/l	0.062	0.074	0.25	0.076	0.11	< 0.03	< 0.03	0.14	0.056	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2	2.9	2.6	3.3	2.3	3.1	2.9	7.3	2.5	5.8
0117	Nitrate as N	mg/l	1.98	2.88	2.56	3.28	2.28	3.09	2.88	7.27	2.45	5.79
0118	Nitrite as N	mg/l	0.023	0.024	0.036	0.019	0.018	0.011	0.023	0.029	0.05	0.014
0119	Ammonia un-ionised as N	mg/l	0.00135	0.00038	0.00251	0.00035	0.00105	< 0.00052	< 0.0006	0.00187	0.0016	< 0.00069
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	130	120	130	140	100	150	160	95	150	250
0180	Orthophosphate, reactive as P	mg/l	0.019	0.06	0.057	0.074	0.077	0.052	0.047	0.064	0.021	0.15
9901	Oxygen, Dissolved, % Saturation	%	93	92.2	91.4	90	96.3	99.7	96.8	89.2	93	96.3
9924	Oxygen, Dissolved as O2	mg/l	9.91	10.4	11.5	10.5	11.7	11.4	10.6	9.75	9.12	10.1

Samples from 10 Jun 2019 to 17 Mar 2020

Notation	Determinand	Units	10 Jun 2019 11:19	11 Jul 2019 09:36	13 Aug 2019 09:31	30 Sep 2019 08:35	17 Oct 2019 15:43	13 Nov 2019 10:39	10 Dec 2019 10:15	8 Jan 2020 09:56	26 Feb 2020 08:56	17 Mar 2020 08:52
0061	pH		8.06	8.05	8	7.7	7.69	7.83	7.87	7.75	7.65	7.58
0076	Temperature of Water	°C	15.1	18.5	16.8	14.7	13.7	8.1	7.8	8.5	6	8.6
0077	Conductivity at 25 C	μs/cm	375	362	361	375	350	358	360	346	353	349
0111	Ammoniacal Nitrogen as N	mg/l	0.096	< 0.03	< 0.03	0.076	0.1	0.09	0.11	0.14	0.05	0.054
0116	Nitrogen, Total Oxidised as N	mg/l	2	0.81	0.88	2.2	2.4	2.64	2.7	2.6	2.8	2.4
0117	Nitrate as N	mg/l	1.96	0.8	0.872	2.13	2.36	2.61	2.68	2.57	2.79	2.39
0118	Nitrite as N	mg/l	0.042	0.0097	0.0077	0.068	0.045	0.0273	0.024	0.028	0.0099	0.013
0119	Ammonia un-ionised as N	mg/l	0.00254	< 0.00102	< 0.0009	0.00099	0.00118	0.00097	0.00127	0.0013	0.00031	0.00034
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	130	130	120	120	120	116	120	130	130	120
0180	Orthophosphate, reactive as P	mg/l	0.046	0.033	0.061	0.063	0.038	0.045	0.054	0.075	0.066	0.052
9901	Oxygen, Dissolved, % Saturation	%	88.5	95.3	75	97	87	92	92.7	95.6	97.3	98.1
9924	Oxygen, Dissolved as O2	mg/l	8.88	8.91	7.26	9.82	9	10.9	11	11.2	12.1	11.4

Tell us whether you accept cookies

sampling point R Isle Us Chard Stw

Determinands

Sampling results

Samples from 22 Oct 2020 to 20 Jun 2024

Samples from 10 Jun 2019 to 17 Mar 2020

sampling point
R Isle Us Chard Stw