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Flood Management is Dirty Work

City of Pearland Makes Significant Progress on Old Townsite

Post Date:11/28/2018 5:38 pm

City of Pearland crews and contractors have been hard at work since May of 2018 to improve the drainage in the southeast quadrant of Old Townsite, one of Pearland’s original built environments, east of SH 35 (Main Street) and south of Broadway (FM 518). The substantial drainage and road improvements are scheduled to be completed by February 2019. Crews have been making substantial progress to meet that goal. Excavation of the detention pond has been completed, 1,796 feet of reinforced concrete boxes (RCB) and 420 feet of reinforced concrete pipe (RCP), and the eastbound lane of E. Walnut Street pavement repair is complete.

The 71.4-acre service area is bound by FM 518 on the north side, Old Alvin Rd on the east, Beechcraft St. on the south and S. Houston Ave. on the west and is within the southeast quadrant of Old Townsite.

The scope of the project is the development of a sub-regional drainage and detention plan to serve the area. The project uses eight acre feet of volume in the Baker’s Landing pond and a new detention pond capable of holding 5.1 million gallons of water – equivalent to 350 swimming pools. Water will be transported to the pond by a collection system along Walnut capable of moving water at 1,731 gallons per second, and then out to the creek down Old Alvin at a rate of 586 gallons per second. All of this work has been coordinated with Brazoria County Drainage District No. 4 to minimize flood damage in the Pearland area. 

Included in the City’s Capital Improvement Program, the $6.2 million project will allow for re-development in the area, which has been hindered by a lack of space for on-site detention ponds. The sub-regional pond provides detention strategy for the 71 acre Old Townsite and also detention for future street improvements associated with redevelopment of the area.

The project furthers the City Council Strategic Priority of ensuring Sustainable Infrastructure by improving drainage and the quality of streets for future use. For more information regarding City of Pearland projects, visit pearlandtx.gov/projects.

 

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