sampling point
Wooler Water At Coldgate Mill

Description	WOOLER WATER AT COLDGATE MILL
Sampling point ID	NE-41000037
Type	Freshwater – Rivers
Status	open
Location	easting northing: 399756 624849 lat lon: 55.517377, -2.005413
Area	Northumberland Durham And Tees
Sub-Area	Northumberland & Tyne
Summary	251 samples taken between 2025 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.

36 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Cond @ 25C
Cu Filtered
Foam Visible
Hardness
Liqcolour-mn
Liqcolour-st
Magnesium-Mg
N Organic
N Oxidised
N-Kjeldahl
NH3 un-ion
Nitrate-N
Nitrite-N
Nitrogen - N
O Diss %sat
Obs Flow ROC
Oil & Grs Vs
Orthophospht
OrthophsFilt
Oxygen Diss
Phenol Odour
Phosphate
Phosphorus-P
Potassium- K
Sld Sus@105C
Solid quanty
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 251 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 17 Jun 2024 to 5 Mar 2025

Notation	Determinand	Units	17 Jun 2024 07:32	15 Jul 2024 07:38	21 Aug 2024 07:21	18 Sep 2024 09:01	14 Oct 2024 07:56	18 Nov 2024 07:58	3 Dec 2024 07:58	21 Jan 2025 07:32	4 Feb 2025 07:45	5 Mar 2025 10:13
0061	pH		7.97	7.6	7.98	8.52	7.56	8.18	7.66	8.3	7.89	8.11
0076	Temperature of Water	°C	10.9	11.5	11.4	10.2	5.9	2.5	4.2	4	6.3	6.9
0077	Conductivity at 25 C	μs/cm	102	61	147	139	78	121	69	106	98	148
0085	BOD : 5 Day ATU	mg/l	1.2	< 3	< 1	1.1	1.4	1.6	2.1	1.1	1.2	1
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	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	< 0.2	0.23	0.23	0.45	0.4	0.26	0.45	0.44	0.68
0117	Nitrate as N	mg/l	< 0.196	< 0.196	0.226	0.226	0.446	0.396	0.256	0.446	0.436	0.676
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00055	< 0.00025	< 0.00058	< 0.00056	< 0.00015	< 0.00032	< 0.00016	< 0.00035	< 0.00032	< 0.00044
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	28	16	36	32	16	29	15	22	22	41
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	95	95.5	99.1	99	100	100.1	100.7	101.8	101.4	103.3
9924	Oxygen, Dissolved as O2	mg/l	10.5	10.4	10.8	11.1	12.5	13.6	13.1	13.3	12.5	12.6

Samples from 1 Nov 2023 to 19 Mar 2024

Notation	Determinand	Units	1 Nov 2023 07:56	21 Nov 2023 08:12	4 Dec 2023 12:23	19 Dec 2023 08:44	2 Jan 2024 08:02	15 Jan 2024 11:10	1 Feb 2024 07:47	19 Feb 2024 08:54	1 Mar 2024 08:02	19 Mar 2024 07:24
0061	pH		7.29		7.61		7.22		7.58		7.65
0076	Temperature of Water	°C	8.3	7.5	4.2	6.7	5	1.2	4	6.7	3.2	7.7
0077	Conductivity at 25 C	μs/cm	69		108		42		71		103
0111	Ammoniacal Nitrogen as N	mg/l	0.0022	< 0.03	0.01	< 0.03	< 0.002	< 0.03	0.005	< 0.03	< 0.002	< 0.03
0113	Nitrogen, Organic as N	mg/l	0.378	0.47	0.29	0.17	0.578	0.18	0.265	0.26	0.178	0.21
0114	Nitrogen, Kjeldahl as N	mg/l	0.38	> 0.5	0.3	0.2	0.58	0.21	0.27	0.29	0.18	0.24
0116	Nitrogen, Total Oxidised as N	mg/l	0.42	< 0.2	0.46	0.57	0.16	0.48	0.49	0.38	0.38	0.22
0117	Nitrate as N	mg/l	0.419	< 0.196	0.459	0.566	0.159	0.476	0.489	0.376	0.379	0.216
0118	Nitrite as N	mg/l	< 0.001	< 0.004	< 0.001	< 0.004	< 0.001	< 0.004	< 0.001	< 0.004	< 0.001	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 1.0e-05		5.0e-05		< 1.0e-05		2.0e-05		< 1.0e-05
0135	Solids, Suspended at 105 C	mg/l	< 3	< 3	< 3	< 3	5.7	< 3	< 3	6.5	< 3	< 3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	11		20		9		13		23
0180	Orthophosphate, reactive as P	mg/l	0.0092	< 0.01	0.011	0.011	0.012	< 0.01	0.0099	< 0.01	0.0058	< 0.01
0192	Phosphate :- {TIP}	mg/l	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02
0348	Phosphorus, Total as P	mg/l	0.019	0.021	0.019	0.015	0.03	0.014	0.013	0.022	< 0.01	< 0.01
9686	Nitrogen, Total as N	mg/l	0.8	0.7	0.76	0.77	0.74	0.69	0.76	0.67	0.56	0.46
9901	Oxygen, Dissolved, % Saturation	%	100.2		101.2		102.7		99.7		100.9
9924	Oxygen, Dissolved as O2	mg/l	11.8		13.2		13.1		13.1		13.5

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sampling point Wooler Water At Coldgate Mill

Determinands

Sampling results

Samples from 17 Jun 2024 to 5 Mar 2025

Samples from 1 Nov 2023 to 19 Mar 2024

sampling point
Wooler Water At Coldgate Mill