sampling point
Hawkridge Brook At Hawkridge Bridge

Description	HAWKRIDGE BROOK AT HAWKRIDGE BRIDGE
Sampling point ID	SW-73021607
Type	Freshwater – Rivers
Status	open
Location	easting northing: 259443 125339 lat lon: 51.010207, -4.004937
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	93 samples taken between 2017 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.

25 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Cond @ 25C
Cu Filtered
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Potassium- K
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 93 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 28 Nov 2014 to 16 Mar 2017

Notation	Determinand	Units	28 Nov 2014 11:28	16 Jan 2015 11:09	27 Apr 2015 11:29	28 Jul 2015 11:40	15 Oct 2015 11:34	19 Feb 2016 13:24	11 May 2016 11:52	31 Aug 2016 10:45	29 Nov 2016 10:29	16 Mar 2017 11:39
0061	pH		7.6	7.8	7.9	7.6	7.84	7.77	7.79	7.95	7.77	7.87
0076	Temperature of Water	°C	10	7.5	8.9	13.3	7.8	7.7	14.1	15.3	5.1	10
0077	Conductivity at 25 C	μs/cm	216	210	276	256	247	256	292	315	250	239
0111	Ammoniacal Nitrogen as N	mg/l		< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l		5.76	2.99	4.93	4.51	4.69	2.57	1.9	6.6	6
0117	Nitrate as N	mg/l		5.75	2.98	4.91	4.5	4.68	2.56	1.89	6.59	5.99
0118	Nitrite as N	mg/l		0.0053	0.0072	0.0202	0.0072	0.0091	0.0125	0.0128	0.0056	0.0075
0119	Ammonia un-ionised as N	mg/l		< 0.00029	< 0.0004	< 0.00028	< 0.00032	< 0.00027	< 0.00046	< 0.00072	< 0.00023	< 0.00041
0162	Alkalinity to pH 4.5 as CaCO3	mg/l		34	66	55	55	47	71	86	39	47
0180	Orthophosphate, reactive as P	mg/l		0.039	0.102	0.112	0.058	0.024	0.081	0.125	0.024	0.035
9901	Oxygen, Dissolved, % Saturation	%	97	98	98.9	95	99.9	97.9	97.7	87.7	94.3	102.2
9924	Oxygen, Dissolved as O2	mg/l	10.9	11.7	11.4	9.92	11.9	11.7	10	8.76	12	11.5

Samples from 14 Sep 2006 to 5 Sep 2014

Notation	Determinand	Units	14 Sep 2006 11:10	12 Oct 2006 11:40	27 Oct 2006 12:35	28 Feb 2013 10:33	14 May 2013 10:15	1 Aug 2013 11:29	8 Nov 2013 13:14	7 Mar 2014 12:57	9 Jun 2014 10:19	5 Sep 2014 13:36
0061	pH		7.7	7.4	7.5	8	8.1	7.7	7.62	7.6	7.9	7.8
0076	Temperature of Water	°C	16.1	11.5	10.5	3.4	9.5	17.7	10.8	9.8	13.7	13.2
0077	Conductivity at 25 C	μs/cm				261	298	365	180	211	231	266
0085	BOD : 5 Day ATU	mg/l	2.5	2.5	1.4
0111	Ammoniacal Nitrogen as N	mg/l	0.047	0.047	< 0.03	< 0.03	< 0.03	0.037	< 0.03	0.04	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.18	8.11	8.56	3.31	2.29	1.18	4	3.41	3.5	2.68
0117	Nitrate as N	mg/l	1.16	8.09	8.55	3.3	2.28	1.17	3.99	3.39	3.48	2.67
0118	Nitrite as N	mg/l	0.0248	0.0185	0.0149	0.0124	0.0135	0.0088	0.0054	0.0156	0.0177	0.0077
0119	Ammonia un-ionised as N	mg/l	0.00068	0.00024	< 0.00018	< 0.00034	< 0.00053	0.0006	< 0.00024	0.00029	< 0.00057	< 0.00044
0162	Alkalinity to pH 4.5 as CaCO3	mg/l				62	75	97	38	43	55	67
0180	Orthophosphate, reactive as P	mg/l	0.19	0.052	0.026	0.035	0.076	0.142	0.034	0.03	0.066	0.115
1183	Weather : Precipitation		2	1	1
3267	Type of flow as description		2	3	3
9901	Oxygen, Dissolved, % Saturation	%	97	98.5	88.3	99	95.3	80	91	102	91.6	96
9924	Oxygen, Dissolved as O2	mg/l	9.53	10.7	9.83	13.2	10.9	7.6	10.1	11.5	9.48	10

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sampling point Hawkridge Brook At Hawkridge Bridge

Determinands

Sampling results

Samples from 28 Nov 2014 to 16 Mar 2017

Samples from 14 Sep 2006 to 5 Sep 2014

sampling point
Hawkridge Brook At Hawkridge Bridge