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Provincial Groundwater Directory • 1,509,397 Registered Wells

Ontario Water Well Records & Hydrogeology

Access compiled provincial borehole logs, typical drilling depths, bedrock aquifers, and water quality profiles across 49 Ontario municipalities and regional districts.

Registered Wells

1,509,397

Government database logs

Municipalities

49

Regional reports available

Avg Median Depth

92 ft

Provincial completion benchmark

Licensed Drillers

Verified

View directory →

Municipalities in Ontario

Select any municipality to view local median depths, aquifer stratification, and filtration guidance.

Showing 49 location reports
Simcoe 97,060 wells

Aquifer: Sand & Gravel Drift

Median depth: 77 ft View report →
York 83,941 wells

Aquifer: Sand & Gravel Drift

Median depth: 78 ft View report →
Ottawa 83,174 wells

Aquifer: Sand & Gravel Drift

Median depth: 90 ft View report →
Toronto 61,293 wells

Aquifer: Sand & Gravel Drift

Median depth: 24 ft View report →
Durham 60,831 wells

Aquifer: Sand & Gravel Drift

Median depth: 60 ft View report →
Leeds and Grenville 57,016 wells

Aquifer: Sand & Gravel Drift

Median depth: 84 ft View report →
Hastings 52,825 wells

Aquifer: Sand & Gravel Drift

Median depth: 63 ft View report →
Peterborough 47,944 wells

Aquifer: Sand & Gravel Drift

Median depth: 63 ft View report →
Middlesex 43,486 wells

Aquifer: Sand & Gravel Drift

Median depth: 60 ft View report →
Peel 42,847 wells

Aquifer: Sand & Gravel Drift

Median depth: 42 ft View report →
Wellington 42,466 wells

Aquifer: Sand & Gravel Drift

Median depth: 118 ft View report →
Frontenac 42,364 wells

Aquifer: Sand & Gravel Drift

Median depth: 91 ft View report →
Kawartha Lakes 40,016 wells

Aquifer: Sand & Gravel Drift

Median depth: 50 ft View report →
Waterloo 39,120 wells

Aquifer: Sand & Gravel Drift

Median depth: 72 ft View report →
Hamilton 37,852 wells

Aquifer: Sand & Gravel Drift

Median depth: 50 ft View report →
Renfrew 35,865 wells

Aquifer: Sand & Gravel Drift

Median depth: 125 ft View report →
Grey 35,749 wells

Aquifer: Sand & Gravel Drift

Median depth: 98 ft View report →
Lanark 34,767 wells

Aquifer: Sand & Gravel Drift

Median depth: 90 ft View report →
Halton 34,342 wells

Aquifer: Sand & Gravel Drift

Median depth: 51 ft View report →
Stormont, Dundas and Glengarry 34,114 wells

Aquifer: Sand & Gravel Drift

Median depth: 76 ft View report →
Northumberland 28,780 wells

Aquifer: Sand & Gravel Drift

Median depth: 67 ft View report →
Bruce 26,137 wells

Aquifer: Sand & Gravel Drift

Median depth: 104 ft View report →
Niagara 25,904 wells

Aquifer: Sand & Gravel Drift

Median depth: 44 ft View report →
Haldimand-Norfolk 25,242 wells

Aquifer: Sand & Gravel Drift

Median depth: 42 ft View report →
Oxford 23,683 wells

Aquifer: Sand & Gravel Drift

Median depth: 93 ft View report →
Muskoka 23,258 wells

Aquifer: Sand & Gravel Drift

Median depth: 198 ft View report →
Lennox and Addington 22,718 wells

Aquifer: Sand & Gravel Drift

Median depth: 68 ft View report →
Chatham-Kent 22,665 wells

Aquifer: Sand & Gravel Drift

Median depth: 72 ft View report →
Parry Sound 22,550 wells

Aquifer: Sand & Gravel Drift

Median depth: 180 ft View report →
Prescott and Russell 20,634 wells

Aquifer: Sand & Gravel Drift

Median depth: 80 ft View report →
Lambton 19,133 wells

Aquifer: Sand & Gravel Drift

Median depth: 72 ft View report →
Huron 18,860 wells

Aquifer: Sand & Gravel Drift

Median depth: 135 ft View report →
Brant 18,588 wells

Aquifer: Sand & Gravel Drift

Median depth: 52 ft View report →
Haliburton 17,231 wells

Aquifer: Sand & Gravel Drift

Median depth: 160 ft View report →
Thunder Bay 17,207 wells

Aquifer: Sand & Gravel Drift

Median depth: 119 ft View report →
Prince Edward 16,757 wells

Aquifer: Sand & Gravel Drift

Median depth: 54 ft View report →
Nipissing 16,178 wells

Aquifer: Sand & Gravel Drift

Median depth: 166 ft View report →
Perth 15,866 wells

Aquifer: Sand & Gravel Drift

Median depth: 148 ft View report →
Dufferin 15,800 wells

Aquifer: Sand & Gravel Drift

Median depth: 111 ft View report →
Algoma 15,688 wells

Aquifer: Sand & Gravel Drift

Median depth: 109 ft View report →
Essex 15,475 wells

Aquifer: Sand & Gravel Drift

Median depth: 93 ft View report →
Elgin 14,950 wells

Aquifer: Sand & Gravel Drift

Median depth: 69 ft View report →
Cochrane 13,023 wells

Aquifer: Sand & Gravel Drift

Median depth: 115 ft View report →
Greater Sudbury / Grand Sudbury 12,800 wells

Aquifer: Sand & Gravel Drift

Median depth: 105 ft View report →
Kenora 10,120 wells

Aquifer: Sand & Gravel Drift

Median depth: 115 ft View report →
Sudbury 7,806 wells

Aquifer: Sand & Gravel Drift

Median depth: 147 ft View report →
Timiskaming 6,630 wells

Aquifer: Sand & Gravel Drift

Median depth: 160 ft View report →
Rainy River 4,992 wells

Aquifer: Sand & Gravel Drift

Median depth: 78 ft View report →
Manitoulin 3,650 wells

Aquifer: Sand & Gravel Drift

Median depth: 83 ft View report →