City of Lincoln annual report for wastewater treatment facility and sewer management

[May 27, 2008]  City of Lincoln annual report for the wastewater treatment facility and sewer management, as submitted by Dave Kitzmiller, Environmental Management Corp.:

Collection System

• 4 forcemain breaks were repaired

• A cross connection between the storm sewer and combined sewer flowing to the Union St. lift station was eliminated

• A sewer collapse at Union and Clinton was repaired

• The Department received 990 utility locating requests, averaging 82 requests per month

• 89,196 feet of sewer line was cleaned

• 4,178 feet of sewer line was cleaned

• A modular aluminum trench shoring system was purchased

Treatment Facility

• The facility's NPDES permit was renewed

• The City received 39.5 inches of precipitation

• Facility treated just shy of 1.5 billion gallons of wastewater and just under 104 MG of storm water

• Average a 96% removal rate for CBOD5

• Average a 89% removal rate for TSS

• Average a 99% removal rate for Nh3-N

• There were 9 CSOs from Union St

• There were 12 CSOs from the WWTF

• 4 new CSO programs were drafted

• The lab building's roof was replaced

• The diffusers in both sludge storage tanks were replaced

• The bar screen was repaired

• One half of the electrical capacitors and clamping devices were installed

• The Kubota lawn tractor was replaced

• A pickup truck was purchased

Safety

• EMC held a company-wide , 10 hour OSHA training class

• Performed monthly training on 19 topics

• EMC has worked 9.5 years without a lost time accident

[Text copied from file received from Dave Kitzmiller, facility manager, Environmental Management Corp.]