East Lansing Meridian Water & Sewer Authority

East Lansing Meridian Water Sewer Authority BuildingThe East Lansing - Meridian Water and Sewer Authority (ELMWSA) owns and operates the water production facilities for East Lansing and Meridian Township. Each community has its own water distribution system and provides drinking water and fire protection services for its citizens. ELMWSA pumps and treats the drinking water and provides it to the community water towers and distribution systems.

ELMWSA's Mission: to protect public health and safety and promote the economic well-being of the City of East Lansing and Meridian Township through the provision of a safe, sufficient, reliable, pleasing and economical public water supply.

Public Act 202 Reports


PA202 of 2017 OPEB Report (PDF)
PA202 of 2017 Pension Report (PDF)

Recent News


As part of a new statewide initiative to test drinking water from all schools, the Michigan Department of Environmental Quality recently tested the East Lansing – Meridian Water system for a group of manmade chemicals called per-and polyfluoroalkyl substances (PFAS). The results show that no detectable levels of PFAS were found in the water. Learn more.


Quick Facts


  • The facility has the capacity to produce 15 million gallons per day (presently producing up to of 11.5 million gallons per day)
  • ELMWSA is staffed 24 hours per day, 7 days per week.
  • All plant operators and supervisors certified as Waterworks System Operators by the State of Michigan.
  • The service area includes East Lansing and Meridian Charter Township.
  • The plant feature state-of-the-art controls and instrumentation (upgraded in 2013).