Avondale Estates’ commission approved the purchase Monday night of one-half acre from First Baptist Church Avondale Estates for building a storm water retention pond. The cost is $100,000 and City Manager Clai Brown hopes the city can close on the property before year’s end.

Brown said he’s uncertain when the project will finish, though it will be more than a year from now. The pond will be constructed near the church’s lower parking lot.

It will serve the area upstream from Kensington Road to help accommodate 100-year storms. A new pipe running off the pond will tie into storm water infrastructure off Stratford Road and Covington Highway.

Brown doesn’t yet know how much the pond will cost. A report completed in 2012 estimated $82,000, but it would likely cost more now.

Last week city commissioners also heard a presentation from Skyline Engineering and Construction regarding new storm water infrastructure for the 78-acre Clarendon Road area, south of North Avondale Road, which saw extensive flooding during heavy rains that fell last November and December.

Estimated cost for this project is $1.2 million, which the city is still pondering.