Ottawa River
Mattawa, Ontario, Canada
Testing location off the dock behind the Valois Motel & Restaurant.
Location created by
Julie Lachapelle
- Lat: 46.316925
- Lng: -78.6917424
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
Observation tests summary
Air temperature
°C
24.0
Latest
21.5
Average
Water temperature
°C
17.2
Latest
18.6
Average
Alkalinity
mg/L
40
Latest
20
Average
Hardness
mg/L
0
Latest
17
Average
Dissolved oxygen
mg/L
5.0
Latest
5.5
Average
Conductivity
μS/cm
66
Latest
60
Average
Secchi depth
m
1.5
Latest
1.6
Average
pH (0-14)
6.4
Latest
6.7
Average