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State Adoption of Numeric Nutrient Standards (1998-2008)

"State Adoption of Numeric Nutrient Standards 1998–2008," is a past report describing progress made by the 50 States in adopting numeric nutrient criteria into water quality standards (WQS) for their major water body types (lakes and reservoirs, rivers and streams, estuaries, and wetlands). To see current progress, visit the State Development of Numeric Criteria for Nitrogen and Phosphorus Pollution website.

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