Related Pages
Biocriteria
The objective of the Water Quality Act of 1987 is to “restore and maintain the chemical, physical, and biological integrity of the nation’s waters.” Monitoring strategies described by the U.S. […]
Fish Population
Fish population studies have been a major component of ORSANCO monitoring activities throughout the organization’s history. In 1957, routine lockchamber surveys were initiated in cooperation with state and federal environmental […]
Fish Tissue Contaminants
The Fish Tissue Contaminants Program characterizes the levels of certain contaminants in Ohio River fish and provides a basis for determining the need for human health/fish consumption advisories and […]
Macroinvertebrates
The Ohio River Valley Water Sanitation Compact states that the Ohio River should support and maintain a balanced, diverse, and healthy ecosystem. To determine if pollution control efforts have achieved […]
Watershed Program Monitoring Data
Dioxin · Water Ohio River and Tributary High-Volume Water Sampling Results · Sediment Ohio River and Tributary Bottom Sediment Results · Air Ambient Air Monitoring Results PCBs […]
Ambient Air Monitoring
ORSANCO conducted ambient air sampling events along the upper Ohio River as part of the Ohio River Watershed Pollutant Reduction Program in 2001 and 2002. Air monitoring was conducted in […]
Pollution Control Standards
ORSANCO sets Pollution Control Standards for industrial and municipal waste water discharges to the Ohio River, and tracks certain dischargers whose effluent can seriously impact water quality. The standards designate […]
Ohio River Users
The need for strong scientific data is the driving force behind the Ohio River Users Program. This program was created as a mechanism to provide the necessary funding to perform […]
Bacteria Sampling and Analysis
Historically, the Ohio River Valley Water Sanitation Commission (ORSANCO) only collected bacteria data in six urban areas along the Ohio River. As a result, only a small percentage (18%) of […]
Watershed Program Sampling Methods
High-volume Water Sampling Used to measure in-stream concentrations of dioxin, PCBs, and chlordane Ambient Air Monitoring Used to measure ambient air concentrations of dioxin and PCBs Bottom Sediment Sampling Used […]