Protecting water quality

Water Quality Data

Interactive map with water quality data for the basin.

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Zebra Mussels

Protect the lakes you love from invasive mussels.

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Clean Rivers Program

Water quality monitoring, data assessment & public outreach.


Colorado River Watch Network

Volunteer network of water quality monitors.

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Nuisance Aquatic Plants

Managing invasive plants in the lower Colorado River basin.

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Water Quality Permit Review Program

Monitoring permit applications.


Water Quality Models

Evaluating water quality issues with computer models.

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Environmental Laboratory Services

Water quality testing at a reasonable cost.

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Water Quality Concerns

Report a water quality concern or complaint.

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