Tag Archives: blending

D.C. Circuit Declines Review of US EPA Practices on Blending and Mixing Zones

On February 28, the D.C. Circuit in Center for Regulatory Reasonableness v. US EPA dismissed a challenge to statements made by the US EPA regarding two wastewater treatment techniques – blending and the use of mixing zones. US EPA previously prohibited these techniques in specified circumstances, and in 2013, the Eighth Circuit vacated these prohibitions in Iowa League … Continue Reading

US EPA Holds Experts Forum on Public Health Impacts of Wet Weather Blending

In response to the 8th Circuit’s decision in Iowa League of Cities v. EPA, US EPA held an “Experts Forum on Public Health Impacts of Wet Weather Blending” on June 19 -20, 2014. The purpose was to enlist the expertise of public health officials to “ensure that EPA has appropriate health-based information associated with different engineering options available to … Continue Reading

USEPA Seeks Rehearing of 8th Circuit’s Blending Decision in Iowa League of Cities v. USEPA

USEPA filed on May 9 a Petition for Rehearing En Banc of the 8th Circuit’s decision in Iowa League of Cities v. USEPA , which held that USEPA failed to abide by proper notice and comment procedures and further lacked authority under the Clean Water Act to prohibit the use of blending by wastewater utilities.  … Continue Reading
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