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sampling point
Colt Crag Reservoir

Description COLT CRAG RESERVOIR
Sampling point ID NE-43100119
Type Freshwater – Lakes/Ponds/Reservoirs
Status closed
Location easting northing: 394300 579200
lat lon: 55.107156, -2.090872
Area Northumberland Durham And Tees
Sub-Area Northumberland & Tyne
Summary 21 samples taken between 2009 and 2007

Determinands

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.

20 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • CHLOROPHYLL
  • Chloride Ion
  • Colour Filt
  • Cond @ 20C
  • Cond @ 25C
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • Nitrogen - N
  • O Diss %sat
  • Orthophospht
  • OrthophsFilt
  • Oxygen Diss
  • Phosphate
  • Phosphorus-P
  • Temp Water
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 21 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 31 Oct 2008 to 22 Apr 2009

NotationDeterminandUnits31 Oct
2008
13:01
3 Nov
2008
13:00
10 Nov
2008
11:31
10 Nov
2008
11:44
26 Nov
2008
10:10
26 Nov
2008
10:59
12 Jan
2009
11:16
11 Feb
2009
11:27
23 Mar
2009
11:12
22 Apr
2009
11:02
0072Colour, Filteredhazen67686864625547
0077Conductivity at 25 Cμs/cm203199198208213127220
0111Ammoniacal Nitrogen as Nmg/l0.0520.051
0116Nitrogen, Total Oxidised as Nmg/l0.240.29
0117Nitrate as Nmg/l0.2330.283
0118Nitrite as Nmg/l0.00680.0072
0162Alkalinity to pH 4.5 as CaCO3mg/l656774696871727275
0172Chloridemg/l15.715.8
0180Orthophosphate, reactive as Pmg/l< 0.02< 0.02
0192Phosphate :- {TIP}mg/l0.0238< 0.02
0348Phosphorus, Total as Pmg/l0.04290.0420.0340.03070.02950.03440.0236
7887Chlorophyll : Acetone Extractμg/l9.26.57.94.14.63.34.928.212.3
9686Nitrogen, Total as Nmg/l1.381.231.231.21.231.261.271.060.94
9856Orthophosphate, Filtered as Pmg/l< 0.02< 0.02< 0.02

Samples from 1 Mar 2007 to 22 Oct 2008

NotationDeterminandUnits 1 Mar
2007
11:55
12 May
2008
11:10
23 Jun
2008
12:23
15 Jul
2008
10:35
21 Aug
2008
10:59
12 Sep
2008
09:42
12 Sep
2008
09:43
26 Sep
2008
10:28
22 Oct
2008
11:11
22 Oct
2008
11:19
0061pH7.87.87.627.647.45
0062Conductivity at 20 Cμs/cm186
0072Colour, Filteredhazen5067
0076Temperature of Water°C514.8316.0216.3713.41
0077Conductivity at 25 Cμs/cm236221218220183196
0111Ammoniacal Nitrogen as Nmg/l< 0.030.042< 0.030.0420.044< 0.030.046
0116Nitrogen, Total Oxidised as Nmg/l1.020.470.390.25< 0.2< 0.20.24
0117Nitrate as Nmg/l1.020.4660.3860.246< 0.196< 0.1960.235
0118Nitrite as Nmg/l< 0.0040.0041< 0.004< 0.004< 0.004< 0.0040.0054
0119Ammonia un-ionised as Nmg/l< 0.000240.00069< 0.000360.00054< 0.0002
0162Alkalinity to pH 4.5 as CaCO3mg/l576565737166726969
0172Chloridemg/l16.115.9
0180Orthophosphate, reactive as Pmg/l< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02
0192Phosphate :- {TIP}mg/l0.024< 0.02
0348Phosphorus, Total as Pmg/l0.02820.0354
7887Chlorophyll : Acetone Extractμg/l917.410.210.6
9686Nitrogen, Total as Nmg/l1.321.151.141.18
9856Orthophosphate, Filtered as Pmg/l< 0.02< 0.02
9901Oxygen, Dissolved, % Saturation%9898.780.394.478.4
9924Oxygen, Dissolved as O2mg/l12.59.967.99.228.17