A Decision-Support Tool to Build Water Supply Capacity: Methodological Development

Tools are needed to inform decision-makers as they seek to improve water supply capacity from source protection to operational efficiency. This paper presents a methodological approach to build a decision-support tool that can account for natural system characteristics, water utility operations, and social dynamics. The method starts with an analysis of metrics to index performance and assess natural conditions. As an example metrics for surface water supplies in Maine illustrate the availability and reliability of measures that can serve as indicators. relative performance and capacity. Based on public and accessible information, a total of 33 metrics have been identified that provide information on the biophysical, operational, and social domains that affect the production of safe drinking water

The Path to Sustainable Water Resources Solutions

Water is essential both to human survival and to the ecosystems on which people depend. Although Maine is blessed with abundant water sources, managing them is crucial for both short and long-term uses. The authors describe the varying time and spatial scales involved in managing water resources, pointing out that policy decisions made at one time can have far-reaching consequences. They provide illustrations of water-resource projects from Maine’s Sustainability Solutions Initiative, ranging in size from Sebago Laketo vernal pools on individual properties

Moving up the Waste Hierarchy in Maine: Learning from “Best Practice” State-Level Policy for Waste Reduction and Recovery

As Maine residents look toward the future, it is increasingly clear that more sustainable waste and materials management solutions will be necessary. A recent stakeholder engagement process involving nearly 200 industry professionals, municipal representatives and citizen groups confirmed this point. As we move together toward a more sustainable waste management system, participants in the engagement process identified an outstanding need to learn more about policies options. This article responds to that need with a review of state level policies designed to reduce waste generation and increase material recovery rates. We find there are a wide variety of state-level policy tools available, each of which involves a series of complex tradeoffs to balance decision criteria ranging from diversion potential and cost to social acceptability and environmental protection. While there is no magic formula, it is clear that the most successful state-level programs are those that utilize a variety of tools, selected as part of a comprehensive and data-driven long term planning process

Moving up the Waste Hierarchy in Maine: Learning from “Best Practice” State-Level Policy for Waste Reduction and Recovery

As Maine residents look toward the future, it is increasingly clear that more sustainable waste and materials management solutions will be necessary. A recent stakeholder engagement process involving nearly 200 industry professionals, municipal representatives and citizen groups confirmed this point. As we move together toward a more sustainable waste management system, participants in the engagement process identified an outstanding need to learn more about policies options. This article responds to that need with a review of state level policies designed to reduce waste generation and increase material recovery rates. We find there are a wide variety of state-level policy tools available, each of which involves a series of complex tradeoffs to balance decision criteria ranging from diversion potential and cost to social acceptability and environmental protection. While there is no magic formula, it is clear that the most successful state-level programs are those that utilize a variety of tools, selected as part of a comprehensive and data-driven long term planning process

Maine’s Winter Roads: Salt, Safety, Environment and Cost

This report summarizes key findings from a yearlong study of the issues and practices in winter maintenance of Maine’s roads

Methyl tert-butyl ether (MTBE) in ground water, air, and precipitation at North Windham, Maine /

"Prepared in cooperation with the Town of Windham, Maine and the Maine Department of Environmental Protection."Shipping list no.: 2000-0370-P.Includes bibliographical references (p. 27-28).Mode of access: Internet

Finding clean water habitats in urban landscapes: professional researcher vs citizen science approaches

This study investigated patterns of nutrient pollution in waterbody types across Greater London. Nitrate and phosphate data were collected by both citizen scientists and professional ecologists and their results were compared. The professional survey comprised 495 randomly selected pond, lake, river, stream and ditch sites. Citizen science survey sites were self-selected and comprised 76 ponds, lakes, rivers and streams. At each site, nutrient concentrations were assessed using field chemistry kits to measure nitrate-N and phosphate-P.The professional and the citizen science datasets both showed that standing waterbodies had significantly lower average nutrient concentrations than running waters. In the professional datasets 46% of ponds and lakes had nutrient levels below the threshold at which biological impairment is likely, whereas only 3% of running waters were unimpaired by nutrients. The citizen science dataset showed the same broad pattern, but there was a trend towards selection of higher quality waterbodies with 77% standing waters and 14% of rivers and streams unimpaired.Waterbody nutrient levels in the professional dataset were broadly correlated with landuse intensity. Rivers and streams had a significantly higher proportion of urban and suburban land cover than other waterbody types. Ponds had higher percentage of semi-natural vegetation within their much smaller catchments. Relationships with land cover and water quality were less apparent in the citizen-collected dataset probably because the areas visited by citizens were less representative of the landscape as whole.The results suggest that standing waterbodies, especially ponds, may represent an important clean water resource within urban areas. Small waterbodies, including ponds, small lakes < 50 ha and ditches, are rarely part of the statutory water quality monitoring programmes and are frequently overlooked. Citizen scientist data have the potential to partly fill this gap if they are co-ordinated to reduce bias in the type and location of the waterbodies selected