Broken Arrow City Council
Meeting of: 08-16-2016
To: Mayor and City Council
From: Utilities Department
Title:
title
Consideration, discussion, and possible approval of and authorization to execute a Consent Order on Case Number 16-180 from the Oklahoma Department of Environmental Quality (ODEQ), Water Quality Division
End
Background:
The Broken Arrow Municipal Authority owns and operates the County Line Road (23rd Street or 193rd East Avenue) sanitary sewer trunk line that conveys all wastewater collected from the north east part of the city to the Lynn Lane Wastewater Treatment Plant for treatment and disposal. The 36" diameter concrete cylinder pipe has been in service since 1984 and had experienced several failures along the six miles of sewer line. All the pipe failures have been primarily due to Hydrogen Sulfide gas induced corrosion of the concrete pipe surface.
On the morning of April 21, 2016, city staff was advised that sewage was overflowing in the roadside borrow ditch into the Broken Arrow Creek, around the Camp Robson Boy Scout Camp. Utility staff investigated and determined that a portion of the pipe had collapsed under New Orleans Street (101st Street South) and sewage was backing up and being relieved through upstream manholes.
The City took immediate action and closed New Orleans Street to through traffic. Staff mobilized and installed three (3) temporary diesel engine pumps and hoses to pump around the collapsed line segment. Crews later exposed one (1) buried manhole around the road curb line and made improvements to the temporary pump around setup. The temporary pump system was kept operational until the permanent repairs were substantially complete on May 11, 2016.
According to the Consent Order issued, the Oklahoma Department of Environmental Quality (ODEQ) had received a citizen complaint on April 23, 2016, alleging that the wastewater discharged from the sewer...
Click here for full text