Inactive Groundwater Monitoring Network Water Quality Event Type

Stations from Station Header which have an Inactive/Physical status in the SDMS data model (hydro_stn_evnt table), and which have an event type of "Water Quality (WQ)". Groundwater is the source for over 97% of the public and domestic drinking water supplies in SJRWMD. In addition, over 73% of industrial/commercial and 66% of agricultural water needs are supplied by groundwater sources. The 2000 District Water Supply Plan indicates that the population within SJRWMD is projected to increase by about 50%, to nearly 5.2 million, by the year 2020. Total water demand is projected to increase about 35% by 2020, to nearly 1.85 billion gallons per day (Vergara 2000). As the demands on water resources increase, it is important to have an ongoing program to provide the data and information needed to assess groundwater level and quality conditions and understand what information can be obtained from groundwater monitoring. Existing and anticipated sources of groundwater may not be adequate to supply water for all existing and future needs through 2020 without causing unacceptable impacts to water resources and related natural systems. Potential impacts include declines in groundwater levels and quality, reduction in spring discharge, increases in seawater intrusion, harm to native vegetation and wetlands, and interference with existing legal users. Projections of future water resource conditions were developed with modeling techniques that used the best information available. The accuracy of the model projections can be improved in areas where there is currently a lack of data. As a result, improved groundwater monitoring well networks were devised, addressing both regional and subregional data needed for long-term water supply planning and water resource protection. Data obtained from the well networks increase our understanding of the hydrogeologic, climatic, and human factors that affect water resources, and this information is used to assess the effectiveness of water management programs. Groundwater monitoring is administered in the through the Water Resources Assessment section, a Field Services (well construction) section, and a Geophysical Logging section. WRI is responsible for data collection from the network wells. The objectives of the Water Resources Assessment section are to: Design, construct, and maintain water level and water quality monitoring well networks Evaluate and refine the networks to optimize the spatial and temporal data collection Evaluate and analyze the data collected from the networks using statistical, geostatistical, graphical, and mapping methods to produce useful information Assess the effectiveness of the information derived from the networks to meet current and future water management needs Distribute and publish the network data, information, and interpretations as required by users for water supply planning, minimum flows and levels, consumptive use permitting, and other District programs.SDMS数据模型（hydro_stn_evnt表）中状态为非活动/物理状态的站点表头关联站点，且其事件类型为"Water Quality (WQ)"。圣约翰河水管理区（St. Johns River Water Management District, SJRWMD）内，超97%的公共及家庭饮用水供应均以地下水为水源。此外，该区域内73%以上的工商业用水及66%的农业用水需求亦由地下水供给。《2000年水区供水规划》显示，至2020年，SJRWMD辖区内人口预计将增长约50%，达到近520万；总需水量预计将增长约35%，至每日近18.5亿加仑（Vergara，2000）。随着水资源需求持续攀升，开展长效项目以获取评估地下水位与水质状况所需的数据及信息，并明确地下水监测可提供的相关信息，已成为至关重要的工作。若不对水资源及相关自然系统造成不可接受的影响，截至2020年，现有及规划中的地下水水源或无法满足所有当前及未来的用水需求。潜在影响包括地下水位与水质下降、泉水涌流量减少、海水入侵加剧、本土植被及湿地遭到破坏，以及对现有合法用水户的用水权益造成干扰。未来水资源状况的预测基于当前可获取的最优信息，通过建模技术生成。在当前数据匮乏的区域，可通过补充监测数据提升模型预测的准确性。为此，研究人员设计了优化后的地下水监测井网，以满足长期供水规划与水资源保护所需的区域及次区域数据需求。从该监测井网获取的数据，可加深我们对影响水资源的水文地质、气候及人为因素的认知，相关信息亦被用于评估水资源管理项目的实施成效。地下水监测工作由水区的水资源评估科、现场服务（井体建设）科及地球物理测井科统筹开展。水资源研究所（Water Resources Institute, WRI）负责该监测井网的样本数据采集工作。水资源评估科的工作目标如下：1. 设计、建设并维护地下水位与水质监测井网；2. 对监测井网进行评估与优化，以优化时空数据采集工作；3. 采用统计、地统计、绘图及制图方法，对从监测井网获取的数据进行评估与分析，生成实用信息；4. 评估从监测井网获取的信息是否能满足当前及未来的水资源管理需求；5. 根据用户在供水规划、最小流量与水位管控、用水许可审批及其他水区相关项目中的需求，发布并公开监测井网的相关数据、信息及解读成果。