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Case Study |
EPA-Funded Brownfield Redevelopment Project Involving Historical Manufacturing Facility Adjacent to the Black RiverIn the Spring of 2015, Stone was awarded a contract to perform site characterization, remedial planning, and implementation at a former machine manufacturing facility in Springfield, Vermont under a USEPA Brownfield Cleanup Grant-funded contract for the Springfield Regional Development Corporation (SRDC). Read on for more. |
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Case Study pdf (333 KB) |
Perfluorinated Compounds: Vermont Fire AcademyStone worked with VT DEC to sample drinking water supplies for perfluorinated chemicals (collectively known as PFAS) in the area of the Vermont Fire Academy, a facility operated by the Vermont Department of Public Safety. From the 1970s until 2011, the Fire Academy used aqueous film-forming foams during training exercises that contained PFAS, primarily perfluorooctanesulfonic acid (PFOS). Vermont recently issued a Groundwater Enforcement Standard of 20 parts per trillion (ppt) for PFOS and perfluorooctanoic acid (PFOA) in groundwater, representing one of the more stringent standards in the country for these emerging contaminants of concern. Read on for more. |
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Case Study pdf (169 KB) |
Technical Support for the Malletts Bay Initiative, Colchester, VermontStone was a specialist member of the planning team, contributing green stormwater management expertise to an update of the regulations governing land use along West Lakeshore Drive, and the southern shore of Malletts Bay in Colchester. The project began with an intensive series of public workshops, each of which began with an "open house" or "in the field" component, followed by a public meeting where the consulting team synthesized earlier informal discussion into more defined concepts to be incorporated into the new zoning district. Read on for more. |
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Case Study pdf (151 KB) |
Bioretention Area Design for St. Albans City SchoolStone worked with Friends of Northern Lake Champlain, and teachers and students at St. Albans City School, to complete this project that integrated education and stormwater management improvements. Stone designed a bioretention area to treat the first inch rainfall from 0.6 areas of impervious surfaces, and provided construction oversight. Stone staff also worked directly with the students to complete hand-auger soil characterization and infiltration testing within the proposed bioretention practice footprint. Read on for more. |
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Case Study pdf (244 KB) |
Feasibility Evaluation of Engineered Ecosystems to Remove Phosphorus in the St. Albans Bay WatershedFor many years, a top priority of lake managers and the agricultural sector in Vermont has been reducing phosphorus (P) runoff from farmland through the implementation of agricultural conservation practices. These practices, however, may not be sufficient to address the problem in Lake Champlain's eutrophic St. Albans bay. The Lake Champlain TMDL Phase 1 Implementation Plan states that high nutrient loading from agricultural runoff in a handful of subwatersheds, including St. Albans Bay, will require implementation of creative solutions and innovative restoration techniques--measures that extend and enhance ongoing agency programs--to achieve the goals of the Lake Champlain TMDL. |
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Case Study pdf (133 KB) |
Vermont Stormwater Management Manual, Public Transportation Chapter SupportIn the Spring of 2016, Stantec and Stone Environmental assisted the Vermont Agency of Transportation (VTrans) in reviewing the draft Vermont Stormwater Management Manual, Volume 1 (VSMM) from a transportation perspective and developing comments on the manual. VTrans then met with DEC representatives. All agreed that VTrans should support DEC in developing a section to be incorporated into the VSMM, addressing the unique constraints of existing public transportation projects and the stormwater treatment practices that can readily be applied to reconstruction and improvement projects--before the beginning of formal rule-making, which was then on a fast track for early summer 2016. |
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Case Study pdf (186 KB) |
Stormwater Master Planning in Montpelier, VermontStone provided support the City of Montpelier in developing a city-wide stormwater master plan. After collecting data from existing plans, models, and other available sources pertaining to the City's watersheds, surface waters, stormwater infrastructure, and land us planning, existing drainage problems were identified through a combination of GIS-based analysis of physical watershed characteristics, windshield and walking surveys with photo-documentation, and interviews with key local officials. |
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Case Study pdf (99 KB) |
Town of Williston Water Quality Management Plan and Implementation, Phase 1Stone worked with an engineering partner and the Town of Williston to develop a strategic approach to addressing stormwater-related problems throughout the town. This project included a comprehensive review of existing water resource plans and data, including but not limited to impervious surface mapping, stream geomorphic assessment work, permits including the Town's MS4 permit and information about operations and activities within stormwater-impaired watersheds, inventories of stormwater management facilities, bridges, and culverts, and the Town Plan. Read on for more. |
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Case Study pdf (129 KB) |
Reducing Phoshorus Pollution from Onsite Wastewater Treatment Systems in the Greenwood Lake WatershedStone and an engineering partner assisted the Orange County Water Authority in an EPA-supported project to demonstrate energy-efficient technologies capable of reducing phosphorus pollution from onsite wastewater treatment systems in the New York portion of the Greenwood Lake watershed, a 9-mile long lake spanning the New York and New Jersey border. Read on for more. |
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Case Study pdf (186 KB) |
Stormwater Management Opportunities at Rumney Memorial SchoolRumney Memorial School is located on Shady Rill Road, Middlesex, which runs parallel to Martin's Brook (locally called Shady Rill). Rumney's campus is composed of terraced school yard, gravel parking lot and drop off area, and a building with a footprint of slightly more than half an acre. Read on for more. |