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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
The Latrobe Municipal Authority office will be closed on Thursday, November 24th, and Friday, November 25th, in observance of the Thanksgiving holiday.

In case of a water emergency, call 724-537-8841.

In case of a sewage emergency, call 724-537-2994.
Updated Tuesday, November 22, 2022


Next Meeting
Tuesday, December 20, 2022 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 2021, 2020 and 2019
(Get Free Adobe PDF Reader Here)

Sewer Projects
 Water Projects


News and Alerts

Notice of Violation - Failure to Complete a Level 2 Assessment

Application for Employment

LMA Act 44 Disclosure Form

Public Notification: Potential Sampling Violation, January 2021

Rental, utilities assistance program opens for Westmoreland County residents


See all Alerts and News