sampling point
Shrawley Brook 500 M D/S Holt Mill

Description	SHRAWLEY BROOK 500M DOWNSTREAM HOLT MILL
Sampling point ID	MD-22932250
Type	Freshwater – Rivers
Status	open
Location	easting northing: 380498 263504 lat lon: 52.269334, -2.2872
Area	Shropshire Herefordshire Worcestershire And Gloucestershire
Sub-Area	Avon & Lower Severn (4)
Summary	51 samples taken between 2024 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.

13 determinands have been measured at this site

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

Displaying the twenty most recent samples. You can see all 51 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Jan 2020 to 27 Jun 2024

Notation	Determinand	Units	7 Jan 2020 11:56	18 May 2021 14:46	8 Jun 2021 11:13	9 Jul 2021 12:13	25 Aug 2021 12:51	16 Sep 2021 12:51	21 Oct 2021 14:17	4 Nov 2021 08:57	16 Dec 2021 13:43	27 Jun 2024 14:15
0061	pH		7.97	8.28	8.29	8.11	8.22	8.1	8.05	8.2	8.14	8.2
0076	Temperature of Water	°C	7.9	12.8	13.8	15.1	14.2	13.9	11.3	7.8	9.8	15.8
0077	Conductivity at 25 C	μs/cm	702	610	744	724	814	820	730	800	793	763
0085	BOD : 5 Day ATU	mg/l										1.1
0111	Ammoniacal Nitrogen as N	mg/l	0.041	0.076	< 0.03	< 0.03	0.076	0.043	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	9.4	5.1	8.4	7.3	9.7	9.7	6.7	9.5	8.6	8.9
0117	Nitrate as N	mg/l	9.37	5.06	8.36	7.27	9.68	9.68	6.68	9.48	8.57	8.89
0118	Nitrite as N	mg/l	0.03	0.038	0.041	0.034	0.018	0.021	0.022	0.02	0.027	0.012
0119	Ammonia un-ionised as N	mg/l	0.0006	0.0017	< 0.00072	< 0.00079	0.00188	0.00104	< 0.0006	< 0.00047	< 0.00054	< 0.00084
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	240	210	240	250	270	280	250	260	260	270
0180	Orthophosphate, reactive as P	mg/l	0.1	0.089	0.034	0.12	0.11	0.12	0.11	0.11	0.081	0.079
9901	Oxygen, Dissolved, % Saturation	%	100	94.1	94.2	95.6	76.1	94.5	102.5	95.7	98.5	98.1
9924	Oxygen, Dissolved as O2	mg/l	11.9	9.94	9.73	9.59	7.79	9.74	11.2	11.4	11.2	9.7

Samples from 2 Nov 2018 to 17 Dec 2019

Notation	Determinand	Units	2 Nov 2018 14:10	10 Dec 2018 12:15	23 Apr 2019 14:18	23 May 2019 11:13	20 Jun 2019 11:05	27 Aug 2019 10:12	2 Oct 2019 14:18	31 Oct 2019 11:10	26 Nov 2019 12:54	17 Dec 2019 10:13
0061	pH		8.22	7.94	8.36	8.36	7.72	8.24	8.26	7.97	8.05	7.87
0076	Temperature of Water	°C	7.9	7.5	13.9	11.7	13	15.5	12.7	8.4	9.7	4.9
0077	Conductivity at 25 C	μs/cm	855	883	788	832	750	842	620	632	521	587
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.031	< 0.03	0.05	0.053	< 0.03	0.06	0.038	0.044	0.041
0116	Nitrogen, Total Oxidised as N	mg/l	9.59	10.6	9.2	9.89	7.29	9.5	5.9	8	5.9	6.9
0117	Nitrate as N	mg/l	9.58	10.6	9.17	9.85	7.24	9.49	5.86	7.97	5.86	6.87
0118	Nitrite as N	mg/l	0.0114	0.0287	0.0268	0.0355	0.0518	0.013	0.042	0.032	0.039	0.026
0119	Ammonia un-ionised as N	mg/l	< 0.00047	0.00041	< 0.00073	0.00103	0.00064	< 0.00082	0.00133	0.00058	0.00079	0.00038
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	284	256	218	261	252	260	210	220	180	200
0180	Orthophosphate, reactive as P	mg/l	0.097	0.119	0.022	0.103	0.136	0.14	0.15	0.13	0.13	0.098
9901	Oxygen, Dissolved, % Saturation	%	87.1	87.7	94	101.7	90.4	99.4	96.8	91	92.6	90.8
9924	Oxygen, Dissolved as O2	mg/l	10.3	10.5	9.68	11	9.5	9.89	10.2	10.7	10.5	11.6

Tell us whether you accept cookies

sampling point Shrawley Brook 500 M D/S Holt Mill

Determinands

Sampling results

Samples from 7 Jan 2020 to 27 Jun 2024

Samples from 2 Nov 2018 to 17 Dec 2019

sampling point
Shrawley Brook 500 M D/S Holt Mill