The Bourne
Addlestone, Surrey, United Kingdom
Concrete bridge over River Bourne accessed via Holme Farm (https://holmefarm.org.uk/).

Location created by
Emma Slaymaker
- Lat: 51.3532904
- Lng: -0.5176719
- Waterbody Type: River
- Timezone: Europe/London
Latest photos
No photos uploaded.
Observations summary
Observation tests summary
Air temperature
°C
19.0
Latest
17.7
Average
Water temperature
°C
17.0
Latest
14.6
Average
Alkalinity
mg/L
80
Latest
60
Average
Hardness
mg/L
100
Latest
58
Average
Nitrates
ppm
3.5
Latest
2.5
Average
Nitrates
mg/L
1.5
Latest
1.3
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Phosphates total
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
588
Latest
487
Average
pH (0-14)
7.5
Latest
7.4
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
0.8
Latest
0.6
Average