Baseline Water Quality Data Inventory and Analysis, Apostle Islands National211 Lakeshore. Volume 1 of 2 and Volume 2 of 2

摘要

This document presents the results of surface-water-quality data retrievals for211u001eApostle Islands National Lakeshore from six of the United States Environmental 211u001eProtection Agency's (EPA) national databases: (1) Storage and Retrieval (STORET) 211u001ewater quality database management system; (2) River Reach File (RF3); (3) 211u001eIndustrial Facilities Discharge (IFD); (4) Drinking Water Supplies (DRINKS); (5) 211u001eFlow Gages (GAGES); and (6) Water Impoundments (DAMS). The document provides: (1) 211u001ea complete inventory of all retrieved water quality data, water quality stations, 211u001eand the entities 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.