sampling point
Salary Bk.Crockleford Bridge

Description	SALARY BK.CROCKLEFORD BRIDGE
Sampling point ID	AN-TG2230
Type	Freshwater – Rivers
Status	open
Location	easting northing: 602980 226200 lat lon: 51.897358, 0.948795
Area	Essex Norfolk And Suffolk
Sub-Area	Essex Team Sub Area
Summary	98 samples taken between 2020 and 2005

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.

18 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
C - Org Filt
Ca Filtered
Cond @ 25C
Fe- Filt
Mg Filtered
Mn BLM Bio
Mn- Filtered
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 98 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Oct 2017 to 7 Jan 2020

Notation	Determinand	Units	11 Oct 2017 10:24	11 Jan 2018 11:14	10 Apr 2018 09:31	11 Jul 2018 12:57	8 Oct 2018 14:49	3 Jan 2019 11:03	3 Apr 2019 09:05	2 Jul 2019 09:50	7 Oct 2019 13:11	7 Jan 2020 09:18
0061	pH		7.9	7.63	7.56	7.91	7.99	7.83	8.33	8.05	7.86	7.69
0076	Temperature of Water	°C	13.5	7.5	8.8	16	11.6			15.6	12.8	6
0077	Conductivity at 25 C	μs/cm	733	755	645	702	716			741	614	767
0235	Magnesium, Dissolved	mg/l	14	8.72	11.7	14.5	15.6	16.1	16.2	15	12	17
0239	Calcium, Dissolved	mg/l	68.4	50.1	61.4	63	68.9	79.3	82.3	72	60	87
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	5.79	5.56	7.82	5.09	6.79	6.23	6.16	5.8	6.8	7.4
6460	Iron, Dissolved	μg/l	52.4	46.5	57.3	< 30	57.8	32	42.1	37	47	36
9901	Oxygen, Dissolved, % Saturation	%	80.4	89.4		91.4	91.8			93.3	88.3	95.9
9924	Oxygen, Dissolved as O2	mg/l	8.36	10.7		9	9.96			9.26	9.32	11.9

Samples from 4 Jul 2016 to 7 Jul 2017

Notation	Determinand	Units	4 Jul 2016 14:11	6 Sep 2016 14:33	5 Oct 2016 09:46	2 Nov 2016 14:02	11 Jan 2017 09:49	1 Feb 2017 10:46	18 Apr 2017 10:20	3 May 2017 10:37	6 Jun 2017 09:21	7 Jul 2017 11:32
0061	pH		7.79	7.89	8.1	7.92	7.76	7.51	8.01	8.03	7.74	7.77
0076	Temperature of Water	°C	16.2	17.8	13.1	8.9	6.5	6	8.2	9.9	14.4
0077	Conductivity at 25 C	μs/cm	656	774	713	725	833	679	739	741	511
0111	Ammoniacal Nitrogen as N	mg/l	0.033	< 0.03	< 0.03	< 0.03	0.042	0.045	0.041	0.06	0.32
0116	Nitrogen, Total Oxidised as N	mg/l	7.2	5.91	5.96	5.92	6.44	8.16	5.27	5.47	3.02
0117	Nitrate as N	mg/l	7.17	5.87	5.95	5.91	6.42	8.14	5.25	5.44	2.95
0118	Nitrite as N	mg/l	0.0342	0.0376	0.0061	0.0142	0.0206	0.0191	0.0236	0.0261	0.0657
0119	Ammonia un-ionised as N	mg/l	0.00059	< 0.00075	< 0.00069	< 0.00042	0.00034	0.0002	0.00066	0.00109	0.00447
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	99	121	110	118	116	86	132	142	93
0180	Orthophosphate, reactive as P	mg/l	0.105	0.107	0.104	0.088	0.087	0.08	0.109	0.117	0.167
0235	Magnesium, Dissolved	mg/l							14.4			13.9
0239	Calcium, Dissolved	mg/l	66.2		70.3		79.5		79.2			71.9
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	7.31		4.89		5.21		5.36			5.98
4820	Manganese : BLM Bioavailable	μg/l	19.7		3.4		3.77
6458	Manganese, Dissolved	μg/l	28.9		< 10		10.7
6460	Iron, Dissolved	μg/l	69.6		< 30		< 30		32.9			< 30
9901	Oxygen, Dissolved, % Saturation	%	93.4	91.2	93.4	94.6	88.4	93.6	90.1	92.3	73.5
9924	Oxygen, Dissolved as O2	mg/l	9.16	8.65	9.8	10.9	10.9	11.6	10.6	10.4	7.49

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sampling point Salary Bk.Crockleford Bridge

Determinands

Sampling results

Samples from 11 Oct 2017 to 7 Jan 2020

Samples from 4 Jul 2016 to 7 Jul 2017

sampling point
Salary Bk.Crockleford Bridge