Noteworthy

Call for Papers:

•  National Water Quality Monitoring Council - National Monitoring Conference, April 2010

Local Science Feature:

•  Algal Toxins in Recreational Waters (350KB PDF)

National & Regional Science:

•   Pesticide Levels Decline in Corn Belt Rivers
•  Study Reveals Mercury Contamination in Fish Nationwide
•  Tackling Fish Endocrine Disruption

Past listings...

Water Quality Data

National Water Information System (NWIS)

• NWIS provides current and historical water-quality data.

Today's Water Conditions

• Water-Quality Watch provides continuous real-time water-quality measurements.
  

Water-Quality Web Services

• Web services automate the sharing of USGS and USEPA water-quality monitoring data.

For More Data

• Additional water-quality data resources are available.

USGS in Your Area

USGS Water Science Centers are located in each state.

Water-Quality Information -- Field Procedures

• Turbidity data collection and reporting:
  • Information Sheet [40KB PDF] and
  • Turbidity Parameter and Methods Codes [70KB XLS]

• National Field Manual for the Collection of Water-Quality Data
  • National Field Manual Errata and Comments
  • National Field Manual Overview [200KB PDF]
  • Chapter 1. Preparations for Water Sampling
  • Chapter 2. Selection of Equipment for Water Sampling
  • Chapter 3. Cleaning of Equipment for Water Sampling
  • Chapter 4. Collection of Water Samples
  • Chapter 5. Processing of Water Samples
  • Chapter 6. Field Measurements
  • Chapter 7. Biological Indicators
  • Chapter 8. Bottom-Material Samples
  • Chapter 9. Safety in Field Activities

• Guidelines and Standard Procedures for Continuous Water-Quality Monitors: Station Operation, Record Computation, and Data Reporting, Techniques and Methods 1-D3.

• Lake Monitoring Field Manual [1.3MB PDF]

• USGS Protocol for the Collection of Processing of Surface-Water Samples for the Subsequent Determination of Inorganic Constituents in Filtered Water, Open-File Report 94-539

• USGS Guidelines and Standard Procedures for Studies of Ground-Water Quality: Selection and Installation of Wells, and Supporting Documentation, Water-Resources Investigations Report 96-4233

• Toxic Substances Hydrology Program has a Searchable Bibliography

• Publications on Techniques of Water-Resources Investigations