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Commission approves zoning change to require groundwater monitoring where solar array piers are close to water table
Summary
The Douglas County Commission on Jan. 22 approved a text amendment to zoning regulations requiring groundwater monitoring and additional testing where galvanized support piers for solar arrays would be installed within four feet of the shallowest seasonal groundwater level.
The Douglas County Commission voted Jan. 22 to adopt a text amendment to the county zoning regulations that requires initial and ongoing groundwater monitoring when metal support piers for solar energy conversion systems (solar farms) would be installed within four feet of the shallowest annual groundwater level.
Mary Miller, county city-county planner, briefed the commission on staff research and the planning commission’s recommendation. Staff initially recommended denial, concluding that zinc released by corroding galvanized piers tends to bind to soil and is normally immobile in Douglas County soils; the planning…
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