sampling point
Sei Bridgwater Bay

Description	SEI BRIDGWATER BAY
Sampling point ID	SW-60510011
Type	Saline Water – Estuarine Sites – Non Bathing/Shellfish
Status	open
Location	easting northing: 322260 153880 lat lon: 51.278734, -3.115938
Area	Wessex
Sub-Area	Ecmas Sampling (Wessex)
Summary	216 samples taken between 2024 and 2004

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.

75 determinands have been measured at this site

1,1,1-TCA
4-nonPhenol
Ag- Filtered
Arsenic - As
As-Filtered
Atrazine
B-(a)-anthra
B-[a]-pyrene
B-[b]-fluora
B-[ghi]-pery
B-[k]-fluora
C - Org Filt
CHLOROPHYLL
Cadmium - Cd
Carbon Tet
Cd Filtered
Chloroform
Chromium -Cr
Chrysene
Copper - Cu
Cr Hex Filt
Cr Hexavalnt
Cr- Filtered
Cu Filtered
Cyanide - CN
Fe- Filt
Fluoranthene
HCH Alpha
HCH Beta
HCH Delta
HCH Gamma
HTrlTW
Hg Filtered
Ind123pyrene
Iron - as Fe
LIGHT EXT.
Lead - as Pb
MR Screen
Mercury - Hg
N Dis Inorg
N Oxid Filt
NGR Easting
NGR Northing
NH3 filt N
Ni- Filtered
Nickel - Ni
Nitrate Filt
Nitrite Filt
O Diss %sat
OrthophsFilt
Oxygen Diss
PYRENE
Pb Filtered
Phytoplankto
SALinsitu
Sample Depth
SiO2 Filt
Silver - Ag
Simazine
Sld Sus@105C
Temp Water
TetClEthene
Time Hi-Tide
Transparency
TriBT Cation
TriPT Cation
Tributyl Tin
Trichloroeth
Turbdty in-s
Vol Filtered
Water Depth
Zinc - as Zn
Zn- Filtered
pH
ptOctylPheno

Displaying the twenty most recent samples. You can see all 216 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 14 Apr 2023 to 18 Mar 2024

Notation	Determinand	Units	14 Apr 2023 12:10	8 May 2023 16:34	15 Jun 2023 17:08	1 Aug 2023 18:50	11 Sep 2023 20:07	9 Oct 2023 09:45	5 Dec 2023 11:12	4 Jan 2024 16:22	5 Feb 2024 14:04	18 Mar 2024 09:25
0004	Time of high tide	hh.mm	13.55	21.43	16.36	7.06	14.52	11.08	11.35	11.43	10.26	12.53
0006	Sample Depth below surface	m	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
0052	Lead, Dissolved	μg/l		0.044	0.049	0.043	0.051	0.05	< 0.04	< 0.04	< 0.04	< 0.04
0076	Temperature of Water	°C	9.737	12.4	18	18.3	20.1	16.9	9.1	8.8	7.4	9.1
0103	Mercury, Dissolved	μg/l	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
0106	Cadmium, Dissolved	μg/l		0.059	0.065	0.056	0.087	0.09	0.055	0.038	0.053	0.045
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l		1.8
3268	1,1,1-Trichloroethane	μg/l		< 0.1		< 0.1					< 0.1
3408	Zinc, Dissolved	μg/l		2.8		1.6					2.1
3410	Nickel, Dissolved	μg/l		0.73	0.63	0.72	0.93	0.69	0.41	0.8	0.67	0.72
3428	Water Depth	m	15.38	8.67	13.44	10.25	12.23	14.58	14.37	12.32	15.04	12.13
3976	Turbidity : In Situ	ftu	61.4		26.4	58.7	11.4	75.1	79.5	52.1	62.1	42.8
4574	Phytoplankton		1	1	1	1	1	1	1	1	1	1
4865	Volume of Sample Filtered	ml	850	630	560	0	1050	470	400	400	420	480
4925	Nitrogen, Dissolved Inorganic : as N	mg/l		1.31	0.967	0.937	0.907	0.927	1.21	1.51	1.41	1.21
5732	Triphenyl Tin as Cation	μg/l		< 0.0002		< 0.0002
6019	NGR : Easting	ngr	322255	322329	322402	322615	322349	322311	322276	322392	322447	322354
6020	NGR : Northing	ngr	153981	153882	153969	153952	153908	153972	153819	154061	153911	153939
6045	Arsenic, Dissolved	μg/l		2		2					2
6450	Copper, Dissolved	μg/l		1.7		1.4					1.9
6460	Iron, Dissolved	μg/l		< 100		< 100					< 100
6485	Nitrite, Filtered as N	mg/l		0.00087	0.0031	0.0022	0.0017	< 0.0007	< 0.0007	0.00086	< 0.0007	0.0014
6619	Chromium Hexavalent, Dissolved :- {Cr VI}	μg/l		< 0.3
7342	Time of sampling relative to previous high water	hh.mm	12.06	7.09	10.54	8.45	10.21	0.45	12	9.16	1.05	9.31
7608	Salinity : In Situ	ppt	23.868	24.4	27.34	28.01	28.46	28.53	24.35	20.22	21.76	22.88
7887	Chlorophyll : Acetone Extract	μg/l	0.92	1.3	4.5	2.3	1.1	1.4	1.6	< 1		< 1
8944	Tributyl Tin as Cation	μg/l	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002			< 0.0002
9190	4-Nonylphenol Branched	μg/l	< 0.04
9267	4-tert-Octylphenol :- {p-tert-Octylphenol}	μg/l	< 0.001
9853	Nitrate, Filtered as N	mg/l		1.3	0.957	0.928	0.898	0.919	1.2	1.5	1.4	1.2
9856	Orthophosphate, Filtered as P	mg/l		0.065	0.054	0.068	0.073	0.079	0.074	0.077	0.07	0.062
9857	Silicate, Filtered as SiO2	mg/l		2	0.97	1.3	1.7	1.9	2.5	3.2	2.8	2.5
9901	Oxygen, Dissolved, % Saturation	%	100.66	92.2	104.3	96.5	99.7	95.9	96.7	99.8	98.4	94.2
9924	Oxygen, Dissolved as O2	mg/l	9.88	8.5	8.42	7.71	7.68	7.85	9.6	10.3	10.3	9.45
9943	Nitrogen, Total Oxidised, Filtered as N	mg/l		1.3	0.96	0.93	0.9	0.92	1.2	1.5	1.4	1.2
9993	Ammoniacal Nitrogen, Filtered as N	mg/l		< 0.007	< 0.007	< 0.007	< 0.007	< 0.007	< 0.007	< 0.007	< 0.007	< 0.007

Samples from 3 Mar 2022 to 7 Mar 2023

Notation	Determinand	Units	3 Mar 2022 15:15	9 Apr 2022 11:38	4 May 2022 10:39	9 Jun 2022 11:41	17 Jul 2022 14:02	14 Sep 2022 13:58	12 Oct 2022 11:12	1 Dec 2022 10:22	3 Feb 2023 08:14	7 Mar 2023 08:10
0004	Time of high tide	hh.mm	19.27	13.06	9.31	14.37	11.3	9.38	8.52	13.06	4.15	6.3
0006	Sample Depth below surface	m	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
0076	Temperature of Water	°C	7.9	9.4	11.8	15.8	19.9	19	15.4	10.4	6.7	7.3
3428	Water Depth	m	7.05	14.47	16.16	11.56	11.2	10.26	14.61	14.16	12.49	16.7
3976	Turbidity : In Situ	ftu	158.6	69.5	110.4	36.6	108	141.9	86.5	35.5	98.2	92.4
4574	Phytoplankton		1	1	1	1	1	1	1	1	1	1
4865	Volume of Sample Filtered	ml	450	790	400	830	350	510	560	1010	460	470
4925	Nitrogen, Dissolved Inorganic : as N	mg/l	1.51	1.11	0.927	0.957	0.917	0.827	0.797	2.11	1.31	1.01
6019	NGR : Easting	ngr	319419	322325	322252	322315	322245	322180	322105	322276	322255	322150
6020	NGR : Northing	ngr	149274	153896	153831	153910	153872	153862	153833	154000	153779	153830
6485	Nitrite, Filtered as N	mg/l	< 0.0007	< 0.0007	< 0.0007	0.0013	0.00091	0.00074	0.0008	0.001	< 0.0007	< 0.0007
7342	Time of sampling relative to previous high water	hh.mm	7.5	11.09	1.08	9.04	2.3	4.2	2.2	9.58	3.59	1.4
7608	Salinity : In Situ	ppt	24.6	25.81	28.08	28.02	28.85	29.94	30.43	26.98	22.63	27.26
7887	Chlorophyll : Acetone Extract	μg/l	2.3		1	1.6	3.9	2.3	2.5	0.92	< 1	1.6
9853	Nitrate, Filtered as N	mg/l	1.5	1.1	0.919	0.949	0.909	0.819	0.789	2.1	1.3	0.999
9856	Orthophosphate, Filtered as P	mg/l	0.073	0.064	0.058	0.064	0.069	0.078	0.077	0.091	0.063	0.055
9857	Silicate, Filtered as SiO2	mg/l	2.6	2.1	1.5	1.4	1.4	1.6	1.6	3.6	2.2	1.8
9901	Oxygen, Dissolved, % Saturation	%	97.7	95.8	95.1	92.5	99.2	89.7	96.7	95.3	98.4	100.7
9924	Oxygen, Dissolved as O2	mg/l	9.96	9.36	8.68	7.76	7.65	6.99	8.06	9.03	10.5	10.2
9943	Nitrogen, Total Oxidised, Filtered as N	mg/l	1.5	1.1	0.92	0.95	0.91	0.82	0.79	2.1	1.3	1
9993	Ammoniacal Nitrogen, Filtered as N	mg/l	< 0.007	< 0.007	< 0.007	< 0.007	< 0.007	< 0.007	< 0.007	< 0.007	< 0.007	< 0.007

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sampling point Sei Bridgwater Bay

Determinands

Sampling results

Samples from 14 Apr 2023 to 18 Mar 2024

Samples from 3 Mar 2022 to 7 Mar 2023

sampling point
Sei Bridgwater Bay