Municipal Affairs and Environment

Water Resources Atlas Of Newfoundland
(March 1992)

The "Water Resources Atlas of Newfoundland" was released in 1992 as hard cover publication with over 80 large format pages.

The Atlas is a source of general information on water resources in the province as well as a reference in the preliminary planning and design stages of water resource projects.

The Atlas is now available as PDF publication that can be viewed or downloaded using the links below.

The Water Resources Atlas is being updated on on-going basis and updated layers are available via the Newfoundland and Labrador Water Resources Portal.

The Atlas describes the physiography, geology, climatology, hydrology, water quality, groundwater and water uses of the province. The hydrology section gives information on: drainage basins, river gauges, major lakes, reservoirs, river ice, flood zones, as well as maximum, minimum, mean, monthly and annual streamflows.

The Atlas also includes 32 summary maps accompanied by supporting text, illustrations and photographs. References and a glossary are also included.

Cover and Table of Contents PDF (2.7 MB)

  • Table of Contents
  • Foreword by the Premier of Newfoundland
  • Statement by the Minister of Environment and Lands
  • Acknowledgements
  • Newfoundland - An Overview

Physiography and Geology PDF (2.7 MB)

  • Introduction
  • Major Physiographic Features
  • Bedrock Geology
  • Geology

Climate PDF (5.3 MB)

  • Introduction
  • Weather and Climate Networks
  • Temperature
  • Mean Annual Precipitation
  • Rainfall Intensity for Selected Frequencies and Durations
  • Snowfall
  • Potential Evapotranspiration

Hydrology PDF (7.8 MB)

  • Introduction
  • Drainage Basins and River Gauge Locations
  • Major Lakes, Ponds, and Reservoirs
  • Mean Annual Runoff
  • Annual River Flow
  • Monthly Streamflow
  • Minimum
  • Maximum
  • Ice Conditions
  • Flood Risk Zones

Surface Water Quality PDF (4.8 MB)

  • Introduction
  • Water Colour and Turbidity
  • Concentrations of Sodium, Chloride, and Sulphate Ions
  • Concentrations of Calcium, Magnesium, and Potassium
  • Surface Water: pH and Total Alkalinity
  • Sensitivity to Acid Rain

Groundwater PDF (1.8 MB)

  • Introduction
  • Distribution of Water Wells, 1950 - 1988
  • Groundwater Yield from Bedrock

Water Uses PDF (4.5 MB)

  • Introduction
  • Distribution of Dams
  • Municipal Water Supplies
  • Hydroelectric Developments
  • Industrial Water Use by Source
  • Water Recreational Areas

Appendices PDF (1.9 MB)

  • Conclusion
  • Appendix
  • Glossary
  • References

Water Resources Atlas of Newfoundland PDF (31.6 MB)

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