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H. A. Stewart Reservoir

  • LMA Office
  • New LMA Service Truck
  • Filtration Building
  • Inside The Filtration Building
  • H. A. Stewart (Latrobe) Reservoir
  • H. A. Stewart Reservoir Built 1919 Expanded 1959
  • Wastewater Treatment Plant
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Latrobe Municipal Authority

Welcome to the official web site for the Latrobe Municipal Authority in Latrobe, Pennsylvania. Since its inception in 1942, the Authority currently provides water and wastewater services to the Greater Latrobe area in Westmoreland County.


The water treatment system has a filtration capacity of 6.0 million gallons per day and the wastewater plant is rated to treat 6.2 million gallons per day.


The water comes from the H. A. Stewart Reservoir near Ligonier. The reservoir was constructed in 1919 and expanded in 1959.


NEW! Pay Online and View Account Information

System Alerts
Please be advised that Latrobe Municipal Authority employees are currently conducting distribution system maintenance, including fire hydrant flushing, throughout the service area.

If you have any questions regarding these activities, please contact the Latrobe Municipal Authority office at (724)537-3378.

Thank you.
Updated Friday, September 3, 2021


Next Meeting
Tuesday, September 21, 2021 at 5:00 pm at the LMA building, 104 Guerrier Rd., Latrobe, PA 15650
See all meetings

Office Hours
The LMA office hours are Monday thru Friday from 8:00 am to 4:30 pm.

Water Quality Report
Consumer Confidence Report PDF 2020, 2019 and 2018
(Get Free Adobe PDF Reader Here)

Sewer Projects
 Water Projects


News and Alerts

Wastewater Treatment Plant Operator

Public Notification: Potential Sampling Violation, January 2021

Rental, utilities assistance program opens for Westmoreland County residents

Water Shut-Offs

Public Notice: Potential Sampling Violation


See all Alerts and News