Protecting water quality
Water Quality Data
Interactive map with water quality data for the basin.
Protect the lakes you love from invasive mussels.
Harmful Algal Blooms
Monitoring toxic blue-green algae blooms.
Clean Rivers Program
Water quality monitoring, data assessment & public outreach.
Colorado River Watch Network
Volunteer network of water quality monitors.
Nuisance Aquatic Plants
Managing invasive plants in the lower Colorado River basin.
Water Quality Permit Review Program
Monitoring permit applications.
Water Quality Models
Evaluating water quality issues with computer models.
Environmental Laboratory Services
Water quality testing at a reasonable cost.
Water Quality Concerns
Report a water quality concern or complaint.