The Link Between Groundwater Contamination and Depth to Bedrock - PowerPoint PPT Presentation

The Link Between Groundwater Contamination and Depth to Bedrock

Wisconsin, USA Calumet County

Bacteria Nitrate

• 197 dairy farms in Calumet County • 29,000 -30,000 milk cows • Each cow produces 150 lbs of manure / day

(29,000 cows) x (150 lbs. per day) x (365 days) = 793,875 tons annually (1.58 billion pounds)

Scanned Paper Well Reports Digital Well Reports

2339 Well Data Points w/geology N

Depth to Bedrock less than 0 5 10 15 20 25 30 40 50 60 80 100 140 200 250 300 350 N N Bedrock at the land surface Depth to Bedrock Kilometers 0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 Miles

N Meters 0 100 200 300 400 500 0 300 600 900 1200 1500 Feet

N Meters 0 100 200 300 400 500 0 300 600 900 1200 1500 Feet

N Meters 0 100 200 300 400 500 0 400 800 1200 1600 2000 Feet

N Meters 0 100 200 300 400 500 0 400 800 1200 1600 2000 Feet

N Meters 0 100 200 300 400 500 0 300 600 900 1200 1500 Feet

N Meters 0 100 200 300 400 500 0 300 600 900 1200 1500 Feet

N Kilometers 0 2 4 6 8 10 0 2 4 6 Miles 4-foot contours Calumet County, WI

N Kilometers 0 2 4 6 8 10 0 2 4 6 Miles 4-foot contours Calumet County, WI

N Kilometers 0 2 4 6 8 10 0 2 4 6 Miles Landcover / Land Use: Calumet County, WI

N Kilometers 0 2 4 6 8 10 0 2 4 6 Miles Depth to Bedrock

N Kilometers 0 2 4 6 8 10 0 2 4 6 Miles Depth to Bedrock and Contaminated Wells

Thank You !