Sanitary Engineering

Census Graphic Puzzle pieces (JPG)
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“We are excited to announce that we’ve partnered with the @uscensusbureau to support the #2020Census! As a partner, we’ll be working to ensure that our community is accurately represented."  To learn about the upcoming census, visit the Greene County Census website.


The Greene County Sanitary Engineering Department operates and maintains the water and waste water facilities for much of the incorporated and unincorporated areas within Greene County, plus portions of Montgomery and Warren Counties. The department serves more than 18,000 water customers and 24,000 sanitary sewer customers. The Sanitary Engineering Department’s Environmental Services Division also provides recycling and solid waste management. 


  • For emergencies please call our office at (937) 562-7450. Calls received outside normal business hours will be answered by the Xenia / Greene County dispatch Service.
  • Other questions or concerns please fill out the Sanitary Engineering Department Inquiry Form


Information on this site is believed to be accurate. The department disclaims any liability for errors or omissions. External links to other sites are intended to be informational and do not have the endorsement of the department.
  1. Water/Sewer Bill Payments During Coronavirus Outbreak and Closures

    As we continue through these uncertain times, the safety and health of our customers and employees remains our top priority. Greene County Sanitary Engineering (GCSED) offices will remain closed until further notice. Read on...
  2. Starting March 19, 2020, Greene County Sanitary Engineering is closed.

    Starting March 19, 2020, GCSED offices will be closed until further notice. Read on...
  3. Greene County Sanitary Engineering to offer new online options to manage your water/sewer bill

    Greene County Sanitary Engineering will be launching a new user-friendly, online payment system on March 3rd. Customers will be able to pay their water/sewer bill anytime 24/7 via an easy-to-use online portal. Read on...
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