sampling point
Waterloo Ditch At Coleshill

Description	WATERLOO DITCH AT COLESHILL
Sampling point ID	TH-PUTR0121
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 423900 192600 lat lon: 51.631702, -1.656086
Area	West Thames
Sub-Area	L&W North Wt
Summary	89 samples taken between 2024 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.

14 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
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 89 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Mar 2017 to 15 Aug 2024

Notation	Determinand	Units	7 Mar 2017 09:42	20 May 2019 09:21	23 Aug 2019 12:21	28 Oct 2019 10:44	27 Nov 2019 12:24	27 Jan 2020 09:09	18 Mar 2020 09:05	25 Jun 2024 10:54	19 Jul 2024 12:28	15 Aug 2024 10:07
0061	pH		7.99	8.1	8	8	7.84	8.03	8.11	7.86	7.87	8.1
0076	Temperature of Water	°C	5.8	11.4	16.3	8.7	9.1	6.4	9.1	14.9	16	14.8
0077	Conductivity at 25 C	μs/cm	768	717	644	706	669	423	733	724	730	694
0085	BOD : 5 Day ATU	mg/l								< 1	1.1	< 6
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.041	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	5.78	4.1	6.6	5.4	5	4.8	5.3	6.8	5.8	3.8
0117	Nitrate as N	mg/l	5.76	4.08	6.58	5.39	4.99	4.78	5.29	6.79	5.79	3.79
0118	Nitrite as N	mg/l	0.0168	0.0188	0.021	0.0091	0.011	0.018	0.0077	0.015	0.0095	0.013
0119	Ammonia un-ionised as N	mg/l	< 0.00039	0.00083	< 0.00087	< 0.0005	< 0.00036	< 0.00042	< 0.00051	< 0.00057	< 0.00063	< 0.00078
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	293	288	250	250	260	280	300	310	300	310
0180	Orthophosphate, reactive as P	mg/l	0.045	0.012	0.017	0.045	0.041	0.051	0.025	0.026	0.026	0.044
9901	Oxygen, Dissolved, % Saturation	%	88.8	92.1	98	79.8	103	95.7	84.7	91	92.2	91.6
9924	Oxygen, Dissolved as O2	mg/l	11.1	10	9.59	9.28	11.9	11.8	9.75	9.17	9.08	9.25

Samples from 18 Mar 2016 to 17 Feb 2017

Notation	Determinand	Units	18 Mar 2016 09:56	20 Apr 2016 15:00	9 Jun 2016 12:17	27 Jul 2016 12:35	25 Aug 2016 11:54	20 Oct 2016 11:47	30 Nov 2016 14:34	16 Dec 2016 15:15	6 Jan 2017 15:03	17 Feb 2017 10:17
0061	pH		8.3	8.29	8.08	8.11	8.04	8.01	8.04	8.04	8.09	8.03
0076	Temperature of Water	°C	4.6	12.4	13.9	16.2	17	10.2	4.3	8.3	5.8	6.8
0077	Conductivity at 25 C	μs/cm	794	765	748	689	638	708	825	817	805	798
0111	Ammoniacal Nitrogen as N	mg/l	0.061	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.037	< 0.03	0.054	0.106
0116	Nitrogen, Total Oxidised as N	mg/l	5.06	3.87	4.36	5.26	5.63	5.25	6.35	6.97	6.04	6.03
0117	Nitrate as N	mg/l	5.03	3.86	4.34	5.25	5.62	5.24	6.34	6.95	6.03	6
0118	Nitrite as N	mg/l	0.0268	0.0097	0.0176	0.0138	0.0111	0.008	0.0082	0.02	0.0122	0.0333
0119	Ammonia un-ionised as N	mg/l	0.00075	< 0.00065	< 0.00073	< 0.00086	< 0.00091	< 0.00056	0.00044	< 0.00048	0.00072	0.00153
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	293	273	303	271	271	278	297	286	301	289
0180	Orthophosphate, reactive as P	mg/l	0.063	0.031	0.048	0.047	0.038	0.032	0.053	0.038	0.038	0.071
9901	Oxygen, Dissolved, % Saturation	%	99	105.1	87.3	85.4	84.2	86.3	79.6	87.7	108.5	93.1
9924	Oxygen, Dissolved as O2	mg/l	12.8	11.2	8.99	8.37	8.12	9.68	10.3	10.3	13.6	11.3

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sampling point Waterloo Ditch At Coleshill

Determinands

Sampling results

Samples from 7 Mar 2017 to 15 Aug 2024

Samples from 18 Mar 2016 to 17 Feb 2017

sampling point
Waterloo Ditch At Coleshill