sampling point
Brent Upstream Of Western Avenue, Alpert

Description	BRENT UPSTREAM OF WESTERN AVENUE, ALPERTON
Sampling point ID	TH-PBRR0015
Type	Freshwater – Rivers
Status	open
Location	easting northing: 517487 182796 lat lon: 51.531852, -0.307614
Area	Hertfordshire And North London
Sub-Area	L&W Herts & North London
Summary	255 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.

26 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
AmoniaTotYSI
BOD ATU
C - Org Filt
Chloride Ion
Cond @ 20C
Cond @ 25C
Cu Filtered
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
SI-GQA
Sld Sus@105C
Temp Water
Type of Flow
Zinc - as Zn
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 255 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 16 Oct 2023 to 17 Jul 2024

Notation	Determinand	Units	16 Oct 2023 13:35	20 Nov 2023 11:00	12 Dec 2023 13:29	18 Jan 2024 12:58	22 Feb 2024 11:00	19 Mar 2024 12:29	23 Apr 2024 11:56	9 May 2024 10:45	17 Jun 2024 11:53	17 Jul 2024 11:16
0061	pH		8.1	7.88	7.96	7.94	7.8	7.98	8.31	7.95	7.73	7.78
0076	Temperature of Water	°C	12.8	10.1	8.5	1.9	9.9	11	10.9	14.5	17.3	18
0077	Conductivity at 25 C	μs/cm	784	667	600	1044	616	771	1016	657	875	530
0085	BOD : 5 Day ATU	mg/l	6.1	< 3	2.5	3.5	6.1	< 4	6.8	2.6	3.7	3
0111	Ammoniacal Nitrogen as N	mg/l	0.16	0.23	0.49	1.2	0.32	0.45	0.059	0.18	1.4	0.21
0116	Nitrogen, Total Oxidised as N	mg/l	3.4	2.4	2	4.3	2.1	2.4	3.3	2.1	1.2	1.9
0117	Nitrate as N	mg/l	3.29	2.33	1.95	4.21	2.05	2.32	3.17	2	1.07	1.81
0118	Nitrite as N	mg/l	0.11	0.075	0.052	0.094	0.048	0.081	0.13	0.097	0.13	0.091
0119	Ammonia un-ionised as N	mg/l	0.00358	0.00322	0.00731	0.0105	0.00368	0.00844	0.00115	0.00407	0.0237	0.00418
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	190	170	150	270	160	210	250	180	230	140
0180	Orthophosphate, reactive as P	mg/l	0.33	0.23	0.098	0.28	0.1	0.097	0.39	0.18	0.6	0.21
9901	Oxygen, Dissolved, % Saturation	%	99.7	87.7	91.9	82.9	93.2	89.5	133.6	106.9	66.1	91.4
9924	Oxygen, Dissolved as O2	mg/l	10.5	9.86	10.7	11.5	10.5	9.85	14.7	10.9	6.33	8.63

Samples from 15 Dec 2022 to 6 Sep 2023

Notation	Determinand	Units	15 Dec 2022 12:31	23 Jan 2023 13:32	7 Feb 2023 10:19	7 Mar 2023 11:07	20 Apr 2023 11:23	30 May 2023 11:16	23 Jun 2023 11:04	17 Jul 2023 12:11	14 Aug 2023 10:58	6 Sep 2023 12:26
0061	pH		8.02	7.96	7.84	7.94	8.63	8.25	8.16	8.29	7.78	7.7
0076	Temperature of Water	°C	2.7	4.5	5.7	6.7	11.5	15.2	19.9	19	17.9	20.1
0077	Conductivity at 25 C	μs/cm	1301	902	953	953	860	1011	991	675	487	894
0085	BOD : 5 Day ATU	mg/l	3.7	7.1	3.1	4.4	5.9	3.5	2.4	3.7	7.2	2.9
0111	Ammoniacal Nitrogen as N	mg/l	0.95	0.64	1.1	0.53	0.033	0.74	1.3	0.19	0.51	0.31
0116	Nitrogen, Total Oxidised as N	mg/l	4.2	3.8	4.4	3.1	3.1	3	1.6	0.82	1.8	3.3
0117	Nitrate as N	mg/l	4.07	3.71	4.27	2.99	3.02	2.76	1.33	0.71	1.63	2.94
0118	Nitrite as N	mg/l	0.13	0.091	0.13	0.11	0.081	0.24	0.27	0.11	0.17	0.36
0119	Ammonia un-ionised as N	mg/l	0.0101	0.00711	0.0102	0.00662	0.00067	0.0197	0.0487	0.00667	0.0101	0.00601
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	220	210	240	200	200	250	250	180	92	240
0180	Orthophosphate, reactive as P	mg/l	0.45	0.33	0.45	0.26	0.27	0.69	0.93	0.37	0.26	0.86
9901	Oxygen, Dissolved, % Saturation	%	76.7	89.2	74.8	84.2	148.2	130.7	81.7	93.3	64.3	56.3
9924	Oxygen, Dissolved as O2	mg/l	10.4	11.5	9.37	10.3	16.1	13.1	7.42	8.63	6.08	5.1

Tell us whether you accept cookies

sampling point Brent Upstream Of Western Avenue, Alpert

Determinands

Sampling results

Samples from 16 Oct 2023 to 17 Jul 2024

Samples from 15 Dec 2022 to 6 Sep 2023

sampling point
Brent Upstream Of Western Avenue, Alpert