Dataset

Upper St. Lawrence River Volunteer Monitoring

Dataset by River Institute

Dataset summary

Observations

11 May 2026

Grays Creek Marina

17 parameters tested

air temperature, algae, alkalinity, aquatic vegetation, chlorine, conductivity, current weather, current weather description, hardness, oxygen, ph, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water depth, water level, water temperature

11 May 2026

Glen Walter

16 parameters tested

air temperature, algae, alkalinity, chlorine, conductivity, current weather, current weather description, hardness, oxygen, ph, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water depth, water level, water temperature

6 May 2026

St. Lawrence College

15 parameters tested

ice on, air temperature, algae, alkalinity, chlorine, conductivity, current weather, hardness, oxygen, ph, weather in the past 24hrs, secchi depth (clarity), water depth, water level, water temperature

6 May 2026

Inlet between River Institute and L’Heritage High School

16 parameters tested

ice on, air temperature, algae, alkalinity, chlorine, conductivity, current weather, current weather description, hardness, oxygen, ph, weather in the past 24hrs, secchi depth (clarity), water depth, water level, water temperature

2 May 2026

MacJohnson Wildlife Area

11 parameters tested

ice on, air temperature, algae, chloride, conductivity, current weather, current weather description, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water temperature

28 April 2026

St. Lawrence College

16 parameters tested

ice on, air temperature, algae, alkalinity, aquatic vegetation, chlorine, conductivity, current weather, hardness, oxygen, ph, weather in the past 24hrs, secchi depth (clarity), water depth, water level, water temperature

28 April 2026

Inlet between River Institute and L’Heritage High School

18 parameters tested

ice on, air temperature, algae, alkalinity, aquatic vegetation, chlorine, conductivity, current weather, current weather description, hardness, oxygen, ph, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water depth, water level, water temperature

27 April 2026

Glen Walter

12 parameters tested

ice on, air temperature, algae, aquatic vegetation, chloride, conductivity, current weather, current weather description, weather in the past 24hrs, weather in the past 24hrs description, water level, water temperature

27 April 2026

Power Station Ruins

16 parameters tested

air temperature, algae, alkalinity, chlorine, conductivity, current weather, current weather description, hardness, oxygen, ph, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water depth, water level, water temperature

27 April 2026

Glen Walter

16 parameters tested

air temperature, algae, alkalinity, chlorine, conductivity, current weather, current weather description, hardness, oxygen, ph, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water depth, water level, water temperature

27 April 2026

Grays Creek Marina

14 parameters tested

air temperature, alkalinity, chlorine, conductivity, current weather, current weather description, hardness, oxygen, ph, weather in the past 24hrs description, secchi depth (clarity), water depth, water level, water temperature

25 April 2026

Ault Island Road

12 parameters tested

ice on, air temperature, algae, aquatic vegetation, chloride, conductivity, current weather, current weather description, weather in the past 24hrs, weather in the past 24hrs description, water level, water temperature

24 April 2026

St. Lawrence River

11 parameters tested

ice on, air temperature, conductivity, current weather, current weather description, nitrate, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water depth, water temperature

24 April 2026

Capture of Ogdensburg 1813

8 parameters tested

air temperature, chloride, conductivity, current weather, current weather description, weather in the past 24hrs, weather in the past 24hrs description, water temperature

24 April 2026

Trillium Drive inlet

14 parameters tested

ice on, air temperature, alkalinity, chlorine, conductivity, current weather, current weather description, hardness, oxygen, ph, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water temperature

24 April 2026

Maitland

8 parameters tested

air temperature, chloride, conductivity, current weather, current weather description, weather in the past 24hrs, weather in the past 24hrs description, water temperature

24 April 2026

Maitland

8 parameters tested

air temperature, chloride, conductivity, current weather, current weather description, weather in the past 24hrs, weather in the past 24hrs description, water temperature

22 April 2026

Inlet between River Institute and L’Heritage High School

11 parameters tested

ice on, air temperature, alkalinity, chlorine, conductivity, current weather, hardness, oxygen, ph, weather in the past 24hrs, water temperature

21 April 2026

St. Lawrence College

14 parameters tested

ice on, air temperature, alkalinity, chlorine, conductivity, current weather, current weather description, hardness, oxygen, ph, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water temperature

20 April 2026

École secondaire publique L'Héritage

13 parameters tested

ice on, air temperature, alkalinity, chlorine, conductivity, current weather, current weather description, hardness, oxygen, ph, weather in the past 24hrs, water depth, water temperature