sampling point
D/S Southmere Lake, Thamesmead

Description	D/S SOUTHMERE LAKE, THAMESMEAD
Sampling point ID	TH-PGWL0116
Type	Freshwater – Lakes/Ponds/Reservoirs
Status	open
Location	easting northing: 547400 179800 lat lon: 51.497922, 0.122094
Area	Kent And South London
Sub-Area	L&W Thames And South London Ksl
Summary	85 samples taken between 2022 and 2013

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.

27 determinands have been measured at this site

4-nonPhenol
Alky pH 4.5
Ammonia(N)
B-[a]-pyrene
B-[b]-fluora
B-[ghi]-pery
B-[k]-fluora
Cond @ 25C
DEHP
Fluoranthene
HCH Alpha
HCH Beta
HCH Delta
HCH Epsilon
HCH Gamma
Ind123pyrene
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
Triclosan
pH
ptOctylPheno

Displaying the twenty most recent samples. You can see all 85 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 9 Jun 2021 to 8 Mar 2022

Notation	Determinand	Units	9 Jun 2021 11:15	22 Jul 2021 11:43	3 Aug 2021 10:43	7 Sep 2021 08:20	7 Oct 2021 12:06	8 Nov 2021 08:14	13 Dec 2021 09:30	10 Jan 2022 08:31	8 Feb 2022 08:41	8 Mar 2022 08:32
0061	pH		7.71	7.43	7.68	7.71	7.67	7.87	7.77	8.05	7.96	7.95
0076	Temperature of Water	°C	20.2	24	18.9	18.1	14.3	8.7	7.9	3.9	7.3	5.6
0077	Conductivity at 25 C	μs/cm	813	606	595	755	571	593	683	679	809	819
0111	Ammoniacal Nitrogen as N	mg/l	0.4	2	2	1.5	0.29	0.4	0.63	0.38	0.21	0.23
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	< 0.2	0.26	< 0.2	0.64	0.85	1.3	1.8	1.9	1.7
0117	Nitrate as N	mg/l	0.188	0.18	0.15	0.182	0.596	0.808	1.26	1.76	1.87	1.67
0118	Nitrite as N	mg/l	0.012	0.02	0.11	0.018	0.044	0.042	0.038	0.037	0.029	0.027
0119	Ammonia un-ionised as N	mg/l	0.00799	0.028	0.034	0.0257	0.00343	0.00494	0.00584	0.00443	0.00287	0.00271
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	190	130	150	200	160	180	190	190	200	210
0180	Orthophosphate, reactive as P	mg/l	0.26	0.33	0.38	0.28	0.13	0.12	0.1	0.097	0.07	0.067
9901	Oxygen, Dissolved, % Saturation	%	46.2	22.6	18.2	40.3	65.2	54.1	63.4	80.2	83.2	86.4
9924	Oxygen, Dissolved as O2	mg/l	4.17	1.9	1.69	3.8	6.66	6.29	7.52	10.5	10	10.9

Samples from 8 Jul 2019 to 21 May 2021

Notation	Determinand	Units	8 Jul 2019 12:10	4 Aug 2019 08:27	20 Sep 2019 12:35	4 Oct 2019 13:59	1 Nov 2019 09:57	3 Dec 2019 10:47	8 Jan 2020 08:44	13 Feb 2020 10:52	13 Mar 2020 08:54	21 May 2021 08:22
0061	pH		9.57	9.04	8.15	8.03	7.83	7.86	7.59	8.11	8.03	7.28
0076	Temperature of Water	°C	19.8	19.9	16.2	14.3	10.6	5.1	8.9	6.1	7.1	12.2
0077	Conductivity at 25 C	μs/cm	552	533	623	587	602	655	886	839	780	801
0111	Ammoniacal Nitrogen as N	mg/l	0.085	0.15	0.17	0.069	0.21	0.3	0.6	0.26	0.28	0.41
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	< 0.2	< 0.2	< 0.2	0.52	0.98	1.6	1.5	2.2	< 0.2
0117	Nitrate as N	mg/l	0.189	0.185	< 0.196	0.183	0.473	0.919	1.53	1.47	2.15	0.188
0118	Nitrite as N	mg/l	0.0113	0.015	< 0.004	0.017	0.047	0.061	0.071	0.035	0.051	0.012
0119	Ammonia un-ionised as N	mg/l	0.00316	0.00561	0.00487	0.00172	0.00272	0.00278	0.00397	0.00356	0.00413	0.0017
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	124	140	190	180	180	190	240	190	190	190
0180	Orthophosphate, reactive as P	mg/l	0.44	0.81	1.4	1.6	0.82	0.43	0.13	0.058	0.035	0.12
9901	Oxygen, Dissolved, % Saturation	%	98	62.8	65.3	76.6	88.5	62.5	66.1	91.1	83.6	84.2
9924	Oxygen, Dissolved as O2	mg/l	8.92	5.71	6.4	7.82	9.83	7.95	7.65	11.3	10.1	9.01

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sampling point D/S Southmere Lake, Thamesmead

Determinands

Sampling results

Samples from 9 Jun 2021 to 8 Mar 2022

Samples from 8 Jul 2019 to 21 May 2021

sampling point
D/S Southmere Lake, Thamesmead