sampling point
Layer Bk.Brook Hall
| Description | LAYER BK.BROOK HALL |
|---|---|
| Sampling point ID | AN-RR0358 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 590584 215234 lat lon: 51.803253, 0.76282 |
| Area | Essex Norfolk And Suffolk |
| Sub-Area | Essex Team Sub Area |
| Summary | 167 samples taken between 2019 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.
26 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- C - Org Filt
- C - Organic
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- N Inorganic
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- O Diss% Satn
- O Dissolved
- Oil & Grs Vs
- Oil,Grse,Fat
- Oil,Grse,Fat
- Orthophospht
- Oxygen Diss
- Temp Water
- Turbidity
- TurbidityNTU
- pH
- pH Inst unit
Sampling results
Displaying the twenty most recent samples. You can see all 167 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 5 Jan 2017 to 4 Feb 2019
| Notation | Determinand | Units | 5 Jan 2017 15:14 | 7 Feb 2017 11:54 | 9 Mar 2017 14:19 | 6 Apr 2017 14:47 | 3 May 2017 13:44 | 10 Apr 2018 14:44 | 1 May 2018 14:15 | 5 Jul 2018 12:54 | 3 Oct 2018 10:31 | 4 Feb 2019 10:21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.93 | 7.68 | 7.84 | 8.15 | 7.9 | ||||||
| 0076 | Temperature of Water | °C | 10.3 | 9.8 | 10.7 | 17.4 | 12.7 | 4.3 | ||||
| 0077 | Conductivity at 25 C | μs/cm | 775 | 479 | 934 | 1185 | 748 | |||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | 0.127 | 0.041 | < 0.03 | 0.052 | |||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 9.05 | 16.9 | 12.2 | 12.9 | 4.3 | 7.05 | 27.3 | 0.99 | 14.1 | |
| 0117 | Nitrate as N | mg/l | 9 | 16.9 | 12.2 | 12.8 | 4.21 | 7.02 | 27.3 | 0.986 | 14.1 | |
| 0118 | Nitrite as N | mg/l | 0.0485 | 0.0258 | 0.0427 | 0.0722 | 0.0929 | 0.034 | 0.0347 | < 0.004 | 0.0254 | |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00048 | 0.0011 | 0.0009 | < 0.00067 | 0.0005 | |||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 147 | 126 | 121 | 252 | 128 | |||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.151 | 0.148 | 0.765 | 0.283 | 0.108 | |||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 89.8 | 98 | 98.2 | 84.7 | 94.9 | |||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10 | 10.9 | 9.39 | 8.96 | 12.3 |
Samples from 2 Mar 2016 to 14 Dec 2016
| Notation | Determinand | Units | 2 Mar 2016 15:01 | 12 Apr 2016 11:05 | 25 May 2016 11:49 | 15 Jun 2016 14:09 | 5 Jul 2016 11:15 | 16 Aug 2016 10:52 | 26 Sep 2016 14:25 | 11 Oct 2016 14:23 | 2 Nov 2016 11:35 | 14 Dec 2016 15:53 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.94 | 7.94 | 8.09 | ||||||||
| 0076 | Temperature of Water | °C | 11.1 | 14.4 | 8.7 | |||||||
| 0077 | Conductivity at 25 C | μs/cm | 804 | 649 | 945 | |||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.047 | < 0.03 | 0.548 | |||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 6.94 | 15.2 | 20.1 | 8.69 | 13.1 | 5.09 | 22.3 | 24.8 | 2.72 | 8.99 |
| 0117 | Nitrate as N | mg/l | 6.9 | 15.1 | 20 | 8.65 | 13 | 5.08 | 22.3 | 24.8 | 2.69 | 8.94 |
| 0118 | Nitrite as N | mg/l | 0.0386 | 0.124 | 0.0655 | 0.0401 | 0.0528 | 0.0122 | 0.0413 | 0.0228 | 0.0289 | 0.0458 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00081 | < 0.00066 | 0.00909 | |||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 116 | 112 | 259 | |||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 1.16 | 0.314 | 0.425 | |||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 91.5 | 82.6 | 77.7 | |||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10 | 8.42 | 9.03 |