Thursday, July 6, 2023

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Waters of the US I have long been a supporter of the navigable waters concept. Not because this approach is most protective of our surface...
Thursday, November 5, 2020

Reasoning in the Face of Uncertainty

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  How might we improve decision making in the face of uncertainty? I’ve thought about this a great deal throughout my career since uncertain...
Tuesday, May 2, 2017

A Discussion of Watershed-Scale Pollutant Transport and Management

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“I’m really concerned about the Neuse River Estuary,” my daughter Sarah announced one evening. “At school today, Norah, Ari, Sienna, and I ...
2 comments:
Wednesday, October 5, 2016

Is Chlorophyll a Reliable Indicator of Designated Use in Lakes and Reservoirs?

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State water quality standards are established in accordance with Section 303(c) of the Clean Water Act and must include a designated-use st...
1 comment:
Sunday, June 5, 2016

Is the TMDL Program Effective for Surface Water Quality Management?

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In 2001, I chaired the National Academy of Sciences review of the USEPA TMDL program (Assessing the TMDL Approach to Water Quality Manageme...
5 comments:
Thursday, August 13, 2015

EPA’s Approach to Decision Support is in need of a Sea Change

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In the past few decades, the USEPA has widely recognized the importance of economic analysis to the EPA mission. As a consequence, EPA has ...
Wednesday, August 5, 2015

Unattainable Surface Water Quality Standards may Diminish Widespread Public Support for Water Quality Improvements

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Many state water quality standards were established in the early years of the Clean Water Act (CWA) when a key goal of the 1972 CWA was “to...
1 comment: