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EOWRMS Final Report CH2M HILL Canada Limited 1101 Prince of Wales Drive, Suite 330 Ottawa, ON K2C 3W7 Canada Tel 613.723.8700 Fax 613.723.7489 March 30, 2001 118956/118957/118958 EOWRMS Steering Committees and Technical Advisory Group Subject: Final Report Phases 1B, 2, and 3 Eastern Ontario Water Resources Management Study Dear Committee Members: On behalf of our Consultant Team, it is with pleasure that we submit the final report for Phases 1B, 2, and 3 of the Eastern Ontario Water Resources Management Study (EOWRMS). The report presents the characterization of regional water resources, land resources, and servicing infrastructure, which is a significant milestone for the long-term management of these resources. Comprehensive data has been compiled, analyzed, and presented to highlight the significance of this information relative to the EOWRMS objectives. Assimilating the results of such diverse and thorough analyses into a comprehensive report that outlines regional water resources management action plans has been a challenging but valuable undertaking. The action plans will help communities make sound decisions on where growth and settlement can be supported by safe water resources and what infra- structure may be needed to resolve concerns with water quality and quantity. The next major step will be the implementation of these action plans through an Eastern Ontario Water Resources Management Strategy. We believe that the future prosperity of Eastern Ontario will in part depend on the timely and successful implementation of this strategy. It has been our pleasure to work with each of you on this exciting and challenging study. Your guidance and leadership have contributed significantly to the study's success. Sincerely, CH2M HILL Canada Limited William D. Banks, P.Eng. Project Manager /vjd Enclosure KWO/01/118956TT02_00C.DOC Executive Summary The Eastern Ontario Water Resources Management Study (EOWRMS) has encompassed an extensive compilation and evaluation of regional water resources and servicing infra- structure information. The United Counties of Prescott and Russell (P&R) and the United Counties of Stormont, Dundas and Glengarry (SD&G) initiated this study in recognition of the need to develop a regional water resources information system on a watershed basis. The study area includes the South Nation River and Raisin Region watersheds and other minor adjacent watersheds (Figure 1-11) and covers approximately 6,800 square kilometers. The City of Ottawa (Ottawa), facing similar issues, recognized that participation in the study would also benefit that part of Ottawa that falls within the South Nation watershed. It has become widely acknowledged that, to make informed decisions related to changes in land use and infrastructure, the physical features of a watershed must be clearly defined in terms of functions, attributes, and linkages. Each of the five counties in the study area is faced with decisions related to land development for residential, commercial, and industrial purposes. In considering these potential land-use changes, the relationship of the specific site to the watershed must be understood from an ecological perspective. It is clear that Ontario does not have a comprehensive and integrated water resources management strategy. Water management in Ontario is characterized as fragmented and uncoordinated. The EOWRMS municipalities and conservation authorities have shown foresight, leadership, and understanding of the important relationship between water resources and healthy, sustainable communities. Objectives The principal study objectives are summarized as follows: · Objective 1: Develop a database and geographic information system (GIS) on the state of water resources and servicing infrastructure within the study area. · Objective 2: Develop data management protocols to ensure the database is properly maintained and updated. · Objective 3: Assess the capability of key areas to potentially support development on private services. · Objective 4: Identify potential cost-effective servicing alternatives on a regional basis. · Objective 5: Develop community demonstration projects that provide integrated solutions to water resource issues on a local/regional basis. · Objective 6: Develop and promote tools and action plans to protect the quality and quantity of regional water and related land resources. 1 All figures are located in a separate volume. KWO/01/118956/118957/118958/118956TT02_000.DOC i EXECUTIVE SUMMARY Study Process The study has been completed in several phases. An initial phase (Phase 1A) focussed on public consultation approaches, information needs, existing information, literature review, and information gaps. Separate reports were completed for this phase. This report presents a summary of the approaches and the results of Phases 1B, 2, and 3. Phase 1B included assembling the required information and filling the information gaps where possible and feasible to address characteristics of groundwater and surface water resources. Information was also compiled and assessed to establish the state of servicing infrastructure in the study area. Relevant data will continue to be collected following the study. Therefore, protocols for maintaining and updating the database will ensure that ongoing analytical processes, such as water quality trends, will be made possible. The data analysis completed in Phase 2 focussed on two principal areas: the capability of key areas to potentially support development and potential cost-effective servicing alternatives on a regional basis. To make informed decisions related to development, areas with favourable quantity and quality of water supply were identified. Areas that have limited supply or that require protection to maintain an adequate supply were also identified. In recent years, the local municipal governments have collectively spent over $100-million to upgrade water supply and sewage treatment systems. Although there have been specific environmental and infrastructure issues in some of the municipalities, the relationship of these issues to the region has not been addressed. In some cases, cost-effective servicing alternatives have been successfully implemented in Eastern Ontario. Elsewhere in the province, site-specific solutions have been commissioned. During Phase 2 of the study, numerous practical, innovative, efficient, and cost-effective alternatives that are applicable to Eastern Ontario were identified. On the basis of the Phase 2 analyses, a list of potential community demonstration projects was compiled that could provide integrated solutions to water resources issues on a local and/or regional basis. Management of regional water resources recognizes the shared nature of the resources. The responsibility and cost for water resources management should be shared by society-at- large. A comprehensive regional water resources management strategy is required to ensure that both the quality and quantity of groundwater and surface water are maintained and possibly improved. Environmentally sustainable development of urban areas would be guided by such a strategy. Monitoring programs would be implemented, ultimately pro- viding evidence of the strategy’s success. In areas identified as being particularly sensitive, monitoring of potential point and non-point contamination sources would be included in the programs to provide opportunities for corrective actions. During Phase 3, the key elements of this strategy were developed and presented as several potential action plans. Recommendations related to the implementation of the strategy were made. Overview of Study Results An overview from each principal section of the report is presented below. ii KWO/01/118956/118957/118958/118956TT02_000.DOC EXECUTIVE SUMMARY Database Compilation (Section 2) A primary goal of the study was to develop a comprehensive digital database suitable for incorporation into a Geographic Information System (GIS). Data compiled for the purpose of completing the analyses of regional water resources and servicing infrastructure were obtained from existing data sources. The majority of the data collected was obtained from secondary sources. Agriculture and Agri-Food Canada (AAFC) coordinated the collection of information from AAFC, Ontario Ministry of Natural Resources (MNR), Ontario Ministry of the Environment (MOE), and federal and provincial geological surveys. The type of infor- mation reflects the information needs identified in Phase 1A. The consultant team identified possible sources of additional data required for the study and approached the custodians of the data directly. The consultant team also collected some primary data through a water resources survey and a servicing infrastructure survey. As a result of these surveys, most of the data gaps identi- fied in Phase 1A were filled. During the course of the data analyses, additional information requirements were identified. Metadata is the background information that describes the source, quality, location, and other important characteristics of the data. A metadata table was completed to accompany the compiled information base. The geographic data used to evaluate the regional water budget, land use, and groundwater characteristics were managed using a GIS. AAFC and the consultants compiled the geographic databases used in the analysis. As data were acquired, they were combined with other geographic data in a common database. The analysis of the GIS database has resulted in numerous interim or derivative data layers that represent
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