We would welcome your feedback to help us make future improvements.

sampling point
Chald At Kirkgate U/S Calder Confluence

Description CHALD AT KIRKGATE U/S CALDER CONFLUENCE
Sampling point ID NE-49500363
Type Freshwater – Rivers
Status open
Location easting northing: 433685 420184
lat lon: 53.67703, -1.491535
Area Yorkshire
Sub-Area Aire, Calder, Wharfe
Summary 127 samples taken between 2021 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.

37 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Calcium - Ca
  • Chloride Ion
  • ColourAbnoml
  • Cond - Field
  • Cond @ 25C
  • Cu Filtered
  • Foam Visible
  • Hardness
  • Liqcolour-mn
  • Liqcolour-se
  • Liqcolour-st
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Obs Flow ROC
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • Sample Depth
  • Sld Sus@105C
  • Solid quanty
  • Temp Water
  • Type of Flow
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 127 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Oct 2019 to 2 Aug 2021

NotationDeterminandUnits 7 Oct
2019
11:42
21 Nov
2019
13:36
18 Dec
2019
13:43
21 Jan
2020
14:47
6 Feb
2020
13:58
4 Mar
2020
10:16
5 May
2021
15:22
1 Jun
2021
15:27
5 Jul
2021
10:37
2 Aug
2021
11:26
0061pH7.978.158.128.258.198.198.378.348.148.08
0076Temperature of Water°C11.96.25.15.95.85.48.514.615.113.9
0077Conductivity at 25 Cμs/cm608866840933906842967982596814
0111Ammoniacal Nitrogen as Nmg/l0.0740.0790.0890.066< 0.030.12< 0.030.0380.0520.038
0116Nitrogen, Total Oxidised as Nmg/l7.14.384.33.23.34.21.32.41.11.3
0117Nitrate as Nmg/l7.074.364.283.183.284.181.282.381.081.29
0118Nitrite as Nmg/l0.0340.01780.0250.0240.0240.0210.0210.0220.0230.013
0119Ammonia un-ionised as Nmg/l0.001450.001090.001130.00089< 0.00040.00156< 0.000490.000970.001380.00092
0162Alkalinity to pH 4.5 as CaCO3mg/l140227210250230210180260150210
0180Orthophosphate, reactive as Pmg/l0.110.0370.0440.0290.0170.0270.0140.0420.0430.051
9901Oxygen, Dissolved, % Saturation%99.892.494.894.698.497.397.393.999.487
9924Oxygen, Dissolved as O2mg/l10.811.412.111.812.312.311.49.539.988.96

Samples from 17 May 2017 to 5 Aug 2019

NotationDeterminandUnits17 May
2017
15:44
7 Aug
2017
12:21
13 Nov
2017
13:59
7 Mar
2018
14:56
11 Jun
2018
11:54
11 Apr
2019
12:06
23 May
2019
11:19
13 Jun
2019
11:13
12 Jul
2019
12:22
5 Aug
2019
12:21
0061pH7.97.998.388.138.198.428.398.148.287.96
0076Temperature of Water°C13.314.65.35.715.3712.612.115.816.7
0077Conductivity at 25 Cμs/cm77041111141017114410881267548837759
0111Ammoniacal Nitrogen as Nmg/l0.1650.0480.0690.0610.08< 0.030.1080.0530.0820.065
0116Nitrogen, Total Oxidised as Nmg/l0.90.941.116.511.261.760.932.110.892
0117Nitrate as Nmg/l0.8740.9191.16.481.241.750.9112.090.8761.96
0118Nitrite as Nmg/l0.02620.02150.00970.02780.02280.01010.01870.02060.0140.042
0119Ammonia un-ionised as Nmg/l0.003060.00120.000890.000810.00215< 0.000440.002380.001130.002280.00177
0162Alkalinity to pH 4.5 as CaCO3mg/l193120324188314281296136230180
0180Orthophosphate, reactive as Pmg/l0.0560.0580.0640.0540.0620.0140.0920.0750.130.088
9901Oxygen, Dissolved, % Saturation%89.887.199.7104.687.8102.589.690.878.985.6
9924Oxygen, Dissolved as O2mg/l9.388.8412.613.18.7712.49.59.747.88.3