USGS

Water-Quality Conditions and Relation to Drainage-Basin Characteristics in the Scituate Reservoir Basin, Rhode Island, 1982-95

U.S. Geological Survey, Water-Resources Investigations Report 00-4086

by Robert F. Breault, Marcus C. Waldron, Lora K. Barlow, and David C. Dickerman


Table of Contents

Abstract

Introduction

Purpose and Scope

Previous Investigations

Description of the Study Area

Land Use

Climate

Geology

Surface-Water Hydrology

Ground-Water Hydrology

Data Compilation and Analysis

Limitations of Data Interpretations

Instantaneous Load Estimation for Water-Quality Constituents

Trend Analysis

Correlation Analysis

Sources and Compilation of GIS Data

Water-Quality Conditions in the Scituate Reservoir Basin

Barden Reservoir Subbasin

Direct Runoff Subbasins

Moswansicut Reservoir Subbasin

Ponaganset Reservoir Subbasin..

Regulating Reservoir Subbasin

Westconnaug Reservoir Subbasin

Trends in Selected Water-Quality Constituents Concentrations

pH

Color

Turbidity

Total Coliform Bacteria..

Sodium

Alkalinity

Chloride

Nitrate

Iron

Frequency of Exceedence of Water Quality Criteria and Guidelines

pH

Color

Turbidity

Total Coliform Bacteria..

Sodium

Chloride

Nitrate and Nitrite

Iron and Manganese

Relation of Water-Quality Conditions to Drainage-Basin Characteristics

Land Use

Geology

Wetlands and Soil Drainability

Roads and Slope

Summary and Conclusions

References Cited

 


 

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