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WaterQualityWatch -- Continuous Real-Time Water Quality of Surface Water in the United States
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About USGS WaterQualityWatch
Current RTWQ Maps
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Measurement:
Water Temperature
Specific Conductance
pH, field
Dissolved Oxygen
Turbidity
Nitrate
Discharge
Chlorophyll
Surrogates
Map of all USGS Water Data
RTWQ FAQ
What is the USGS?
What is continuous RTWQ?
How are sites selected?
Why continuous and real time?
How are these data used?
What are these measurements?
How are monitors maintained?
What is a surrogate?
State Links to
Surrogates
and Reports
National
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Technical Resources
U.S. Geological Survey
USGS Publications
Water Resources Discipline
Water Quality
Field Protocols
Monitor Operations Protocol
National Water Information System
LOADEST
Nitrate Monitor O&M
Other Links
USGS Waterwatch
Groundwater Watch
National Water Information System: Web Interface
USGS Water Quality Data for the Nation
National Real-Time Water Quality (NRTWQ)
National Water Information System: Mapper
USGS Sediment Data Portal
USGS Bioassessment Data Portal
Search USGS Publications
Other publications may be found on the State's
surrogate
website.
Link to the State's
surrogate
website.