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Odor from Saline wastewater treatment plant prompts study

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SALINE, Mich. – Odor from a wastewater treatment plant in Saline has prompted the city to hire an engineering firm to conduct an odor study. 

From the city of Saline: 

There continues to be an increased odor emanating from the WWTP. Please know that resolving this issue is a top priority of the City Council and Staff; the comments and concerns of Saline residents are very important. As the City moves forward in attempting to mitigate the excessive odor at the WWTP, the City Council unanimously approved an agreement with a national engineering firm to conduct an odor study at the WWTP. The odor study is currently under way and will be completed this coming summer. The results of the study will provide options for possible mitigation of odors emanating from the WWTP. Saline residents are encouraged to contact the WWTP at 734/944-2003 to report odor complaints. Also, the on-going odor study includes an odor complaint reporting component. Beginning January 15, 2017, residents may also report odor complaints directly to Dave Horney, of Tetra Tech, at 734/320-5336. Lastly, as a point of clarification, the WWTP has odor scrubbers located on-site to assist in cleaning the odor from the air at multiple points throughout the treatment process. The odor scrubbing system has been operating non-stop for a year or better, except for a few days due to maintenance. The odor scrubbers will continue to operate 24 hours/day, every day, except for necessary maintenance.

According to the city's website, the wastewater treatment plant removes iron and manganese through the use of greensand filters.

Hardness is removed using reverse osmosis membranes. The plant has a daily maximum output capacity of 3.5 million gallons per day and produces on average 1.2 million gallons per day. Routine water testing is performed daily and monitoring for contaminants is done on a regular basis to insure the quality of our water.

Read more here.

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