Wastewater Treatment

From the first commerical mound septic system design in Vermont to the first membrane filtration treatment plant in Vermont, Phelps Engineering has been on the forefront of developing innovative solutions to helping clients solve their ever more challenging wastewater problems.

• Soil Test Pits and Percolation Testing
• Wastewater Feasibility Studies
• Wastewater Collection Systems
• Wastewater and Effluent Pumping Stations
• Septic Systems
• Community Wastwater Systems
• Decentralized, Clustered, and Municipal Wastwater Treatment

Representative Projects

Vermont Department of Housing and Community Affairs

• Technical Assistance in Developing a Guidance Document for Town Officials Entitled "Wastewater Solutions for Vermont Communities": 2007

Atkins Farm Community Wastewater System

• Community Wastewater System for 9-lot residential subdivision, Ferrisburgh Central School, and Ferrisburgh Town Offices/Grange Hall – Study, Soil Evaluation, Design, Permitting and Construction: 2004-2008

Town of Middlebury

• Cross Street Bridge West Side - Connector Road and Bakery Lane Sweres - Design, Bid, Permitting and Construction: 2009
• Performance Review of Force Main to Wastewater Treatment Facility: 2002
• Pump Stations 1 and 3 Improvements – Design/Build: 2000
• Birchard Park Sewer Upgrade – Design: 1999
• Combined Sewer Overflow Effectiveness Study: 1998
• Weybridge Street Pump Station Upgrade Recommendations – Design and Construction: 1995-1997
• Sewer and Stormwater Separation - Study, Design, Infrastructure Mapping, and Construction: 1989-1994
• Biosolids Holding Facility - Design and Construction: 1986
Project Details→

Middlebury College

• Snow Bowl Wastewater Treatment Upgrade for Lodge Expansion – Design, Construction, and Annual Wastewater System Operation & Maintenence Review: 2003-Present
• Ross Commons Pump Station and Sewer Main Extension – Design, Permitting, and Construction: 2000-2002
• South Athletic Fields Restroom Pavilions – Design and Construction: 1998
• Bicentennial Hall Pump Station – Design, Construction, and Commissioning: 1998
• Homer Noble Farm Septic System Design and Construction: 1998
• Sewer/Stormwater Separation – Design: 1994
• Snow Bowl Wastewater Treatment System – Design and Construction: 1994
Middlebury College Details→

Town of Rochester

• Wastewater System Upgrade – Design, Bid and Construction: 2001-2005
Project Details→

Quimby Country

• Community Wastewater System – Study, Soil Evaluation, Design, and Permitting: 1998-2008
Project Details→

Town of Shaftsbury

• Wastewater Feasibility Study (prepared with Stone Environmental, Inc.): 2005-2006
Project Details→

Town of Waitsfield

• Community Wastewater System - Study and Facilities Plan: 1998-2004
Project Details→

Town of Cabot

• Wastewater Treatment System – Soils Evaluation, Study, Review of Alternative Processes, Design, Funding, Permitting, and Construction: 1994-2002
Project Details→

Town of Shelburne

• Wastewater Plan Reviews: 2002-2008

Town of Orwell

• Treatment Plant Upgrade Including Sludge Removal and Disposal and Aeration System Replacement
– Design and Construction: 2000-2001

Addison Northeast Supervisory Union

• Community Wastewater System for Beeman Elementary School, the New Haven Town Hall, and a private duplex residence - Study, Soil Evaluation, Design, Permitting and Construction: 1994
• Bristol Elementary School Grease Trap and System Expansion - Design, Permitting and Construction: 1984-1988
• Monkton Central School Disposal Field for School Expansion - Design, Permitting and Construction: 1987
• Mt. Abraham Union High School Expansion of Wastewater System - Design, Permitting and Construction: 1997

Sudbury School

• Wastewater System Renovation – Design, Permitting, Bid, and Construction: 2001-2002

Addison Central School

• Wastewater Disposal System and Replacement System - Design, Permitting and Construction: 1978, 1997, 2005

Town of Bethel

• Sludge Recertification: 1999-present
• Sludge Management Plan – Study: 1991-1994

Williston Fire District No. 1

• Wastewater Collection and Treatment System – Study, Design, Permitting, Funding Assistance, and Construction: 1993-1999
Project Details→

Pitcher Inn/Town of Warren

• Wastewater Collection System – Design and Construction: 1997-1998

Vermont Country Store, Weston

• Wastewater System Improvements – Design, Permitting, Construction, and Annual Operation and Maintenance Wastewater Reviews: 1997-Present

Addison Central Supervisory Union

• Cornwall Elementary School Mound and Pump Station Renovations – Evaluation and Construction: 1996 and 2006
• Weybridge Elementary School – Preliminary Site and Soils Evaluation: 1994-1995
• Ripton Elementary School - Community watewater system for elementary school and Ripton Fire Station - Design, Permitting and Construction: 2003

Addison County Regional Planning Commission

• Demonstration Project of Four Alternative and Innovative On-Site Wastewater Treatment Systems - Design, Construction and Testing: 1995-1996
Project Details→