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MARIS
EyeOnWater
Capturing water colour of marine and fresh water
Anywhere
- Ongoing
Citizen ScienceOcean Water MarineEcology & Environment
secchi disk
within 25 miles
Sep 2, 2026
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University of Missouri
Lakes of Missouri Volunteer Program
Monitor water quality of Missouri Lakes
Multiple locations, including yours!
- Ongoing
Citizen ScienceEducationChemistryNature & OutdoorsEcology & EnvironmentOcean Water Marinestocktonfiltervolunteermissourisecchi diskalgaeblue greenblue green algaereservoirsmithvillemicrocystinmark twaintable rockwaterlakechlorophyllmozingosciencetoxinphosphorustrumansedimentcitizenqualitycitizen sciencenitrogensecchilake of the ozarksnutrientscyanotoxinboatfiltration
Pocket Science Citizen Science Apps (DDQ B.V.) / BrewTek (Hardware)
Mini Secchi
Observe water colour and turbidity
Anywhere
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water Marine
Secchi Disk study
Help study marine phytoplankton.
Anywhere
- Ongoing
Citizen Sciencemarine. ocean. seaboatplanktonsecchi diskdivingsailinganglingtemperaturephytoplanktonclimate changeyacht
North American Lake Management Society
The Secchi Dip-In
Monitoring the water quality of lakes, rivers, and estuaries.
Multiple locations, including yours!
- Ongoing
Citizen ScienceChemistryGeology & Earth ScienceClimate & WeatherOcean Water MarineBiologyNature & OutdoorsEcology & EnvironmentEducationComputers & Technologylakemonitoring dataaccessible databaselake and watershed stewardshipnalakes appreciation monthsecchi diskwater claritycitizen scienceenvironmental education
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