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Home > Programs > Bureau of Environmental Protection > Office of Water Resources > Water Quality > Restoration Studies

Water Quality Restoration Planning in Rhode Island
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Total Maximum Daily Load (TMDL) Program

DEM's Office of Water Resources develops water quality restoration plans, with public input, to restore and maintain water quality for impaired/polluted waters. Waters are impaired if they do not meet state water quality criteria. These plans, required by the federal Clean Water Act, are called Total Maximum Daily Loads or TMDLs. TMDL is a term that represents the total pollutant that a waterbody can assimilate and still meet water quality standards.

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RI TMDL Program

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RI TMDL Program

TMDL Background Information

Draft and Approved TMDL Documents

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Draft TMDLs Open for Public Comment


Documents Related to
TMDL Projects

Source Water Protection Initiative for Newport Water Supply Reservoirs

Determination Nitrogen Thresholds & Nitrogen Load Reductions Green Hill & Ninigret Ponds

Addendum - Nitrogen Thresholds & Nitrogen Load Reductions Green Hill & Ninigret Ponds, October 2006

Greenwich Bay Fish Kill Report


Scope of Work - Stormwater Attenuation and Source Reduction

For General Information 222-6800 • After Hours Emergencies 222-3070 • Disclaimer
rev. 8/4/15