Attorney Archive

Amanda Waters

January 8, 2020

Amanda Waters joined AquaLaw in 2020, bringing over 20 years of environmental law experience with a focus on the federal Clean Water Act (CWA). She has extensive practical expertise working nationally with utilities on a variety of environmental permitting, compliance, and enforcement issues. Amanda most recently served as General Counsel for the National Association of […]

Rosewin Sweeney

October 19, 2018

Rosewin Sweeney joined AquaLaw in 2018. Her practice focuses on environmental regulation, permit negotiation, compliance counseling, agency liaison, defense and resolution of agency and citizen enforcement actions, and environmental litigation under various state and federal laws and regulations. Prior to joining the firm, Rosewin served 18 years in the Maryland Office of the Attorney General, […]

Ellen Egen

August 16, 2018

Ellen’s combination of relevant academic training and broad environmental legal experience make her the Firm’s “go to” attorney for support on complex legal and regulatory matters. She is a Fulbright Scholar (Hamburg, Germany 2009-2010) with relevant academic training ranging from undergraduate Environmental Studies at UNC through a post-J.D., Master of Laws degree in Environmental Law […]

Paul Nyffeler

June 29, 2017

Paul joined AquaLaw in 2017 after nine years in the litigation practice of Hunton & Williams. In addition to his environmental and general litigation experience, Paul brings a deep scientific background in chemistry, which benefits AquaLaw clients in a wide variety of environmental planning, permitting, compliance, and enforcement matters concerning water quality, water supply, wastewater […]

Justin Curtis

January 14, 2013

Justin joined AquaLaw in 2013, bringing expertise assisting clients in a wide array of environmental matters including permitting, regulatory compliance, litigation, and enforcement defense.  He combines a solid background in environmental law and science with a commitment to client service. Prior to joining AquaLaw, Justin practiced in the environmental group of a national law firm […]

Lisa Ochsenhirt

Lisa’s practice spans a variety of water and utility matters, including stormwater and wastewater permitting and enforcement for individual localities and authorities and related regional and state-level policy matters including the Chesapeake Bay cleanup and biosolids recycling.  Lisa has worked throughout EPA’s Mid-Atlantic Region and beyond, and routinely advises and represents wastewater and stormwater utilities […]

Dick Sedgley

December 19, 2012

Dick Sedgley has practiced environmental and utility law as a member of the AquaLaw team since 2005.  Prior to joining AquaLaw, Dick was a partner in a national law firm, where he worked with AquaLaw co-founders Paul Calamita and Chris Pomeroy.  Dick practiced environmental engineering prior to starting his law practice in 1987. Combining legal […]

Chris Pomeroy

Chris Pomeroy co-founded AquaLaw in 2002 with Paul Calamita.  Today, AquaLaw is nationally recognized for its expertise on environmental and business matters concerning water supply, wastewater treatment, stormwater management, utilities, and natural resources.  Chris’ practice is primarily dedicated to advising and representing owners, operators and developers of water and other types of regulated infrastructure, including […]

Paul Calamita

Paul Calamita co-founded AquaLaw in 2002 with Chris Pomeroy. Over the prior decade, Paul practiced as a full time Clean and Safe Drinking Water Act lawyer with a national law firm. Paul is first and foremost an environmental counselor and negotiator. He has considerable national experience advising businesses and local governments in all major facets […]