Water Protection Activities in Washtenaw County

MAPS, FIGURES, AND TABLES
Map # Title Page # Figure # Title Page #
Map 1
Drift Aquifer Characteristics and
Groundwater Recharge Areas
4 Figure 1 Commercial Groundwater Use in Michigan 11
Map 2
Municipal Water Services and Wells First
Areas
6 Figure 2 Heavy Metal Contaminants - Chromium 19
Map 3 Wellhead Protection Areas 8 Figure 3 Armen Cleaners Response - Soil Sampling 20
Map 4
Municipal Sewer Services and Septic
Suitability Areas
10 Figure 4 City of Ann Arbor Landfill 21
Map 5 Groundwater Arsenic Distribution 15 Figure 5 LUST Removal 23
Map 6 Groundwater Nitrate Distribution 17 Figure 6 Overlay District 28
Map 7 Gelman Sciences Inc. 1,4-Dioxane Plumes 25 Figure 7 CWA Flowchart 34
Map 8 Watersheds and Water Features 30 Figure 8 CWA Timeline 36
Map 9 County Drains and Watersheds 38 Figure 9 Storm Water Runoff 46
Figure 10 Phosphorus Loading 47
Table # Title Page # Figure 11 Sedimentation at Swift Run 49
Table 1 Watershed Area 29 Figure 12 Home Toxic Program Drop-off Station 50
Table 2 Michigan Designated Uses (DU) 31 Figure 13 E. coli 53
Table 3 TMDL Schedule 33 Figure 14 Pharmaceutical Waste 56
Table 4 BMP Examples 40 Figure 15 Surface Water Organizations 60
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