Ohio River Valley Water Sanitation Commission
ORSANCO
Home
About
Audit/Financial Information
Calendar
Commission Structure
Commissioners
Commissioner Portal
Committees
Employment
ORSANCO By Laws
ORSANCO Compact
ORSANCO Strategic Plan
Partnerships
Staff
Programs
Algae & Nutrient Monitoring
Bacteria TMDL
Biennial Water Quality Assessment
Bimonthly Water Quality Sampling
Clean Metals
Contact Recreation Bacteria
Dissolved Oxygen Monitoring
Emergency Response
Fish Population
Fish Tissue
Harmful Algae Blooms
Macroinvertebrates
Mercury Supplemental Studies
National Rivers and Streams Assessment
Nutrient Reduction Activities
Ohio River Users
Organics Detection System (ODS)
PFAS Supplemental Study
Pollution Control Standards
Source Water Protection
Water Quality Trends
Watershed Pollutant Reduction
Wet Weather Studies
Data
Algae
Ambient PFAS Levels in the Ohio River
Ammonia
Atrazine
Bacteria
Biochemical Oxygen Demand
Bromide
Chlorides
Chlorophyll
Clean Metals
Cyanide
Diatoms
Dioxin
Dissolved Organic Carbon
Dissolved Oxygen
Dissolved Solids
Fish Population
Fish Tissue
Flow
Hardness
Harmful Algae Blooms
Kjeldahl Nitrogen
Macroinvertebrates
Mercury/Methylmercury
Nitrate/Nitrite
Nutrients
Orthophosphate as P
Phenolics
Phosphorus
Polychlorinated Biphenyls (PCBs)
Stages
Sulfate
Suspended Solids
Temperature
Total Nitrogen
Turbidity
Weekly Ohio River Water Quality Report
Publications
Annual Reports
Biennial Assessment (305b Report)
CSOs Along the Ohio River
Emergency Response
Monthly Water Quality Update
Ohio River Channel Newsletter
ORSANCO Library
Pool Assessments
Press Releases
Commission Activities
Commission Meeting Agendas
Commission Meeting Minutes
Congressional Caucus
Roundtable Meeting Minutes
Technical Committee Meeting Minutes
Technical Committee Meeting Presentations
River Facts
Basin Population
Hydropower Impacts
Locks
Ohio River Basin
Navigational Dams
Tributaries
Education
ORSANCO Events
Foundation for Ohio River Education
Life Below The Water Line
Water Quality Information
Recreation
Contact Recreation Bacteria
Is It Safe To Swim In The Ohio River
Marinas
Ohio River Way
Weekly Ohio River Water Quality Report
Ohio River Sweep
How To Volunteer
End of Season Cleanup Event
Sponsors
Statistics
Volunteer Waiver
ORBA
2024 Ohio River Basin Day on the Hill
Ohio River Discussion Series
ORBA-ORBCRE Summit
Congressional Caucus
Contact
Home
About Us
Commissioner Portal
Programs
Data
Publications
ORSANCO Library
Commission Activities
River Facts
Education
Recreation
Ohio River Sweep
ORBA
Contact Us
Ohio River main stem fish population data 1957-2002
Ohio River main stem fish population data 1957-2002
