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sampling point
Brathay At Colwith Road Bridge

Description BRATHAY AT COLWITH ROAD BRIDGE
Sampling point ID NW-88004529
Type Freshwater – Rivers
Status open
Location easting northing: 332985 503031
lat lon: 54.41827, -3.034224
Area Cumbria And Lancashire
Sub-Area Morecombe Bay
Summary 171 samples taken between 2023 and 2000

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.

40 determinands have been measured at this site
  • Al- Filtered
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • C - Org Filt
  • Ca Filtered
  • Cd Filtered
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Cr- Filtered
  • Cu Filtered
  • Hardness
  • Mg Filtered
  • N Oxidised
  • NATGRIDREF
  • NH3 un-ion
  • Ni- Filtered
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • OMR Smpl Num
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Pb Filtered
  • Phenol Odour
  • Phosphorus-P
  • SiO2 Rv
  • Sld NV@500C
  • Sld Sus@105C
  • Temp Water
  • Weth-Visibty
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • Weth7Dy-Vsy
  • WethPresPrec
  • WethPresTemp
  • Zn- Filtered
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 171 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 26 Jul 2019 to 24 Jan 2023

NotationDeterminandUnits26 Jul
2019
12:54
23 Aug
2019
10:38
11 Sep
2019
12:03
14 Oct
2019
12:22
15 Nov
2019
09:23
4 Dec
2019
10:43
10 Jan
2020
10:40
11 Feb
2020
10:15
16 Mar
2020
16:07
24 Jan
2023
13:50
0052Lead, Dissolvedμg/l< 2
0061pH7.797.387.226.897.657.477.727.286.78
0076Temperature of Water°C19.214.313.310.354.454.27.74
0077Conductivity at 25 Cμs/cm36293034464440544741.3
0106Cadmium, Dissolvedμg/l< 0.1
0111Ammoniacal Nitrogen as Nmg/l0.00220.00250.0088< 0.0020.0025< 0.002< 0.0020.003< 0.002
0116Nitrogen, Total Oxidised as Nmg/l0.140.110.130.190.3640.380.450.420.3
0117Nitrate as Nmg/l0.1390.1090.1290.1890.3630.3790.4490.4190.299
0118Nitrite as Nmg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0119Ammonia un-ionised as Nmg/l5.0e-052.0e-053.0e-05< 1.0e-051.0e-05< 1.0e-05< 1.0e-052.0e-05< 1.0e-05
0158Hardness, Total as CaCO3mg/l9.04
0162Alkalinity to pH 4.5 as CaCO3mg/l9788811766
0180Orthophosphate, reactive as Pmg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.0010.0011< 0.001
0235Magnesium, Dissolvedmg/l0.68
0239Calcium, Dissolvedmg/l2.5
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l0.84
0348Phosphorus, Total as Pmg/l0.037< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01
3408Zinc, Dissolvedμg/l5.3
3409Chromium, Dissolvedμg/l< 0.5
3410Nickel, Dissolvedμg/l< 1
6037Aluminium, Dissolvedμg/l40
6450Copper, Dissolvedμg/l< 1
9901Oxygen, Dissolved, % Saturation%101.3101.5102.9101.9101101102.1102.8101.5101.2
9924Oxygen, Dissolved as O2mg/l9.3410.410.711.412.913.11313.412.1

Samples from 31 Aug 2016 to 21 Jun 2019

NotationDeterminandUnits31 Aug
2016
15:11
8 Sep
2016
14:25
14 Oct
2016
11:36
5 Dec
2016
13:09
9 Jan
2017
12:03
21 Mar
2017
14:46
12 Apr
2017
13:19
8 Apr
2019
10:17
9 May
2019
11:07
21 Jun
2019
10:41
0061pH7.27.859.127.457.317.327.637.627.97.86
0076Temperature of Water°C16.116.59.91.866.29.386.613.6
0077Conductivity at 25 Cμs/cm40435245413647444239
0111Ammoniacal Nitrogen as Nmg/l0.00240.0025< 0.002< 0.0020.01060.00310.01060.00280.0040.0021
0116Nitrogen, Total Oxidised as Nmg/l0.10.1260.1530.2510.3280.2270.2340.2360.1610.12
0117Nitrate as Nmg/l0.09820.1250.1520.250.3270.2260.2320.2350.160.119
0118Nitrite as Nmg/l0.00180.00102< 0.001< 0.001< 0.001< 0.0010.002080.00101< 0.001< 0.001
0119Ammonia un-ionised as Nmg/l1.0e-055.0e-05< 4.0e-05< 1.0e-053.0e-05< 1.0e-058.0e-052.0e-055.0e-054.0e-05
0162Alkalinity to pH 4.5 as CaCO3mg/l111212117712699
0180Orthophosphate, reactive as Pmg/l< 0.0010.0018< 0.001< 0.0010.00510.00160.0015< 0.001< 0.001< 0.001
0348Phosphorus, Total as Pmg/l< 0.01< 0.01< 0.01
9901Oxygen, Dissolved, % Saturation%97.898.196100.6103.698.893101.698.597.6
9924Oxygen, Dissolved as O2mg/l9.619.5610.81412.912.210.71212.110.1