sampling point
Eridge Lane Bridge -Eridge Str

Description	ERIDGE LANE BRIDGE OVER ERIDGE STREAM, U/S REDGATE MILL WASTEWATER TREATMENT WORKS
Sampling point ID	SO-E0004843
Type	Freshwater – Rivers
Status	open
Location	easting northing: 555838 131986 lat lon: 51.066056, 0.222718
Area	Kent And South London
Sub-Area	L&W Kent And East Sussex Ksl
Summary	112 samples taken between 2024 and 2009

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.

13 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
TurbidityNTU
pH

Displaying the twenty most recent samples. You can see all 112 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 27 Sep 2022 to 14 Aug 2024

Notation	Determinand	Units	27 Sep 2022 11:43	11 Oct 2022 11:10	3 Nov 2022 12:19	1 Dec 2022 12:16	23 Jan 2023 13:00	15 Feb 2023 11:56	6 Mar 2023 11:51	5 Jun 2024 11:12	29 Jul 2024 10:17	14 Aug 2024 13:14
0061	pH		7.1	6.56	7.12	7.16	6.96	6.9	6.83	6.91	6.81	6.43
0076	Temperature of Water	°C	10.8	9.5	12.3	8.7	4.6	6.2	6.1	12.6	13.5	14.7
0077	Conductivity at 25 C	μs/cm	258	268	147	184	181	212	217	222	261	260
0111	Ammoniacal Nitrogen as N	mg/l	0.055	0.059	0.033	< 0.03	< 0.03	< 0.03	< 0.03	0.044	0.058	0.088
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	0.23	1.2	1.4	1.6	1.4	1.1	0.92	1	0.78
0117	Nitrate as N	mg/l	< 0.196	0.226	1.19	1.4	1.6	1.4	1.1	0.916	0.996	0.776
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0089	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00014	4.0e-05	0.0001	< 7.0e-05	< 3.0e-05	< 3.0e-05	< 3.0e-05	8.0e-05	9.0e-05	6.0e-05
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	67	68	31	37	32	40	45	46	58	61
0180	Orthophosphate, reactive as P	mg/l	0.03	0.043	0.11	0.025	0.016	0.024	0.019	0.038	0.042	0.041
6396	Turbidity	ntu						6
9901	Oxygen, Dissolved, % Saturation	%	56.5	55.6	96.3	90.4	94.6	91.7	88.1	84.9	70.9	56.7
9924	Oxygen, Dissolved as O2	mg/l	6.25	6.34	10.3	10.5	12.2	11.3	10.9	9.01	7.37	5.74

Samples from 11 Nov 2019 to 18 Aug 2022

Notation	Determinand	Units	11 Nov 2019 12:50	12 Dec 2019 11:51	20 Jan 2020 11:02	3 Feb 2020 10:44	11 Mar 2020 09:37	1 Apr 2022 10:14	6 May 2022 15:27	9 Jun 2022 14:03	26 Jul 2022 10:18	18 Aug 2022 10:54
0061	pH		7.48	7.76	7.54	7.61	7.19	6.84	7	6.71	6.75	6.56
0076	Temperature of Water	°C	8.9	6.3	5.4	8.4	9.6	5.9	13.9	12.6	12.5	14.7
0077	Conductivity at 25 C	μs/cm	181	214	195	196	188	222	228	247	243	245
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.029	< 0.03	< 0.03	< 0.03	0.041	0.05	0.081	0.14
0116	Nitrogen, Total Oxidised as N	mg/l	0.93	1.2	1.4	1.2	1.2	0.95	0.64	0.6	0.44	1.6
0117	Nitrate as N	mg/l	0.926	1.2	1.4	1.2	1.2	0.946	0.636	0.596	0.436	1.55
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0029	0.0043	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.051
0119	Ammonia un-ionised as N	mg/l	< 0.00015	< 0.00024	0.00013	< 0.0002	< 8.0e-05	< 3.0e-05	0.0001	6.0e-05	0.0001	0.00013
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	46	52	41	49	43	48	49	56	56	53
0180	Orthophosphate, reactive as P	mg/l	0.024	0.041	0.025	0.04	0.027	0.027	0.027	0.048	0.018	0.071
6396	Turbidity	ntu						7	15	17	20	34
9901	Oxygen, Dissolved, % Saturation	%	95	96.9	95.5	95.5	92.7	88.1	77.1	71.6	56.2	65
9924	Oxygen, Dissolved as O2	mg/l	11	12	12.1	11.2	10.5	11	7.94	7.59	5.97	6.58

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sampling point Eridge Lane Bridge -Eridge Str

Determinands

Sampling results

Samples from 27 Sep 2022 to 14 Aug 2024

Samples from 11 Nov 2019 to 18 Aug 2022

sampling point
Eridge Lane Bridge -Eridge Str