Baseline Water Quality Data Inventory and Analysis, Greenbelt Park

摘要

This document presents the results of surface-water-quality data retrievals for211u001eGreenbelt Park from six of the United States Environmental Protection Agency's 211u001e(EPA) national databases: (1) Storage and Retrieval (STORET) water quality 211u001edatabase management system; (2) River Reach File (RF3); (3) Industrial Facilities 211u001eDischarge (IFD); (4) Drinking Water Supplies (DRINKS); (5) Flow Gages (GAGES); 211u001eand (6) Water Impoundments (DAMS). The document provides: (1) a complete 211u001einventory of all retrieved water quality data, water quality stations, and the 211u001eentities responsible for data collection; (2) descriptive statistics and 211u001eappropriate graphical plots of water quality data characterizing annual and 211u001eseasonal central tendencies and trends; (3) a comparison of the park's water 211u001equality data to relevant EPA and Water Resources Division water quality screening 211u001ecriteria; and (4) an Inventory Data Evaluation and Analysis to determine what NPS-211u001e75 'Level I' water quality parameters have been collected in the park.