sampling point
Wennington Branch Sewer At Aveley Hallps

Description	WENNINGTON BRANCH SEWER AT AVELEY HALL PUMPING STATION
Sampling point ID	TH-PTNR0089
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 554171 179099 lat lon: 51.48982, 0.219256
Area	Hertfordshire And North London
Sub-Area	L&W Herts & North London
Summary	79 samples taken between 2017 and 2010

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
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH

Displaying the twenty most recent samples. You can see all 79 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 29 Mar 2016 to 17 May 2017

Notation	Determinand	Units	29 Mar 2016 15:08	25 Aug 2016 11:00	10 Nov 2016 11:36	30 Nov 2016 10:17	1 Dec 2016 11:15	8 Dec 2016 13:21	15 Dec 2016 12:57	6 Mar 2017 11:27	29 Mar 2017 11:42	17 May 2017 11:23
0061	pH		7.95	8.13	7.66	7.41	7.62	7.54	7.6	8.03	7.88	7.79
0076	Temperature of Water	°C	9.9	21.3	6.3	3.6	2.9	5.8	6.9	7.8	11.5	17.8
0077	Conductivity at 25 C	μs/cm	2396	2072	1395	1474	1505	1728	1713	1660	1728	793
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.392	0.141	0.091	0.112	0.101	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	< 0.2	< 0.2	0.2	0.25	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2
0117	Nitrate as N	mg/l	< 0.196	< 0.196	0.19	0.175	0.225	0.189	0.193	< 0.196	< 0.196	< 0.196
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0101	0.0249	0.0246	0.0111	0.0067	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00049	< 0.00124	0.00251	0.00042	0.00041	0.00052	0.00059	< 0.00047	< 0.00047	< 0.0006
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	477	431	315	307	317	326	325	341	330	377
0180	Orthophosphate, reactive as P	mg/l	0.025	0.243	0.106	0.094	0.085	0.115	0.105	0.126	0.176	0.335
9901	Oxygen, Dissolved, % Saturation	%	102.7	115.5	38.1	35.3	47.1	42.2	42.8	91.9	73.1	60.5
9924	Oxygen, Dissolved as O2	mg/l	11.6	10.2	4.7	4.67	6.35	5.27	5.2	10.9	7.95	5.74

Samples from 23 Apr 2015 to 22 Feb 2016

Notation	Determinand	Units	23 Apr 2015 10:18	9 Jun 2015 15:57	1 Jul 2015 10:31	14 Aug 2015 16:08	2 Sep 2015 11:04	28 Sep 2015 13:44	2 Nov 2015 12:30	14 Dec 2015 12:26	21 Dec 2015 10:41	22 Feb 2016 12:37
0061	pH		7.72	7.86	7.76	7.69	7.64	7.8	7.75	7.84	7.9	8.94
0076	Temperature of Water	°C	12.5	15.6	22.7	19.9	16.8	14.3	11.3	8.9	9.5	9.3
0077	Conductivity at 25 C	μs/cm	2699	2778	2843	1533	1460	1329	1283	1277	1280	1985
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.07	0.04	0.064	0.279	< 0.03	< 0.03	0.061	0.073	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2
0117	Nitrate as N	mg/l	< 0.196	< 0.196	< 0.196	< 0.196	0.191	< 0.196	< 0.196	< 0.196	0.194	< 0.196
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	0.0093	< 0.004	< 0.004	< 0.004	0.0059	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00035	0.0014	0.00107	0.0012	0.00371	< 0.00048	< 0.00034	0.00071	0.00102	< 0.00052
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	663	616	600	277	301	168	317	333	336	351
0180	Orthophosphate, reactive as P	mg/l	0.033	0.056	0.04	0.166	0.231	0.132	0.119	0.127	0.156	0.033
9901	Oxygen, Dissolved, % Saturation	%	83	54.8	73	45.7	39	69	63	46.3	57	86.2
9924	Oxygen, Dissolved as O2	mg/l	8.82	5.44	6.28	4.15	3.78	7.05	6.88	5.36	6.5	9.88

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sampling point Wennington Branch Sewer At Aveley Hallps

Determinands

Sampling results

Samples from 29 Mar 2016 to 17 May 2017

Samples from 23 Apr 2015 to 22 Feb 2016

sampling point
Wennington Branch Sewer At Aveley Hallps