ground-water in virginia george harlow u.s. geological survey 1730 e. parham rd richmond, va 23228...
TRANSCRIPT
![Page 1: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/1.jpg)
Ground-Water in Virginia
George HarlowU.S. Geological Survey
1730 E. Parham RdRichmond, VA 23228
804-261-2630
![Page 2: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/2.jpg)
The Hydrologic Cycle
![Page 3: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/3.jpg)
Ground-Water Use in the United States
34
![Page 4: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/4.jpg)
Ground-Water-Flow System (Natural Conditions)
![Page 5: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/5.jpg)
Direction and Rate of Ground-Water Movement
![Page 6: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/6.jpg)
Ground-water pumpage terms
![Page 7: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/7.jpg)
Aquifer Material
Sand
Shell material
Crystallinerock
Sedimentaryrock
Carbonates
Coal
![Page 8: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/8.jpg)
Wells
![Page 9: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/9.jpg)
Physiographic Provinces of Virginia
Coastal Plain
Piedmont
Mesozoic Lowlands
Blue Ridge
Valley and Ridge
Appalachian Plateau
Coastal Plain
Piedmont
Mesozoic Lowlands
Blue Ridge
Valley and Ridge
Appalachian Plateau
![Page 10: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/10.jpg)
Hydrogeology of the Appalachian Plateau
NOT TO SCALE
Colluvium and Alluvium
Weathered Bedrock
Siltstone or Shale
Sandstone
Coal Seam
Generalized Ground-Water Flow Path
Younger Ground Water
Older Ground Water
Mixture of Younger and OlderGround Water
Geology
Modified from Harlow and LeCain, 1991
NOT TO SCALE
Colluvium and Alluvium
Weathered Bedrock
Siltstone or Shale
Sandstone
Coal Seam
Generalized Ground-Water Flow Path
Younger Ground Water
Older Ground Water
Mixture of Younger and OlderGround Water
Geology
Modified from Harlow and LeCain, 1991
NOT TO SCALE
Colluvium and Alluvium
Weathered Bedrock
Siltstone or Shale
Sandstone
Coal Seam
Generalized Ground-Water Flow Path
Younger Ground Water
Older Ground Water
Mixture of Younger and OlderGround Water
Geology
Modified from Harlow and LeCain, 1991
SPRING
FRACTURES
Coastal Plain
Piedmont
Mesozoic Lowlands
Blue Ridge
Valley and Ridge
Appalachian Plateau
![Page 11: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/11.jpg)
Hydrogeology of the Valley and Ridge
WestWest EastEast
?
From: Harlow, G.E., Jr., Orndorff, R.C., Nelms, D.L., Weary, D.J., and Moberg, R.M., U. S. Geological Survey Scientific Investigations Report 2005-5161, p. 30.
Coastal Plain
Piedmont
Mesozoic Lowlands
Blue Ridge
Valley and Ridge
Appalachian Plateau
![Page 12: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/12.jpg)
Hydrogeology of the Blue Ridge and Piedmont
Coastal Plain
Piedmont
Mesozoic Lowlands
Blue Ridge
Valley and Ridge
Appalachian Plateau
http://www.hydro.geos.vt.edu/
![Page 13: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/13.jpg)
Fractured rock aquifers
Crystalline rock aquifersCarbonate rock aquifers
![Page 14: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/14.jpg)
Evidence of Water Flow in Fractures
![Page 15: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/15.jpg)
Coastal Plain
Coastal Plain
Piedmont
Mesozoic Lowlands
Blue Ridge
Valley and Ridge
Appalachian Plateau
![Page 16: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/16.jpg)
Ground-Water Monitoring Network for Virginia
![Page 17: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/17.jpg)
What is an artesian well?
http://ga.water.usgs.gov/edu/watercyclesprings.html
Recharge area for artesian aquifer
Artesian well
Piezometric level
Water table well
Flowing artesian well
Stream
GEOLOGICALLY-CONTROLLED FLOWING WELL
Ground surface
TOPOGRAPHICALLY – CONTROLLED FLOWING WELLUnconfined aquifer condition
www.michigan.gov/documents/deq/deq-wb-dwehs-wcu-drillingpluggingflowingwells_209019_7.ppt
![Page 18: Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630](https://reader036.vdocuments.mx/reader036/viewer/2022062519/5697bff81a28abf838cbf23a/html5/thumbnails/18.jpg)
Resources
• USGS, WRD, Virginia District http://va.water.usgs.gov/
• USGS, WRD, Office of Ground Waterhttp://water.usgs.gov/ogw/
• VA Household Water Quality Programwww.wellwater.bse.vt.edu