Monongahela Sewage Authority, Website by Muni-Link WebPresence | Accessibility Public discharge reports linked to GREENSBORO MONONGAHELA TWP JT SEW AUTH STP: 0 records, 1 wastewater outlet. Main category. 00 to $14. Existing water quality will not be degraded. What We Do. About MACM. Refuse systems (4953). 521 W Main St, Monongahela - Pennsylvania, 15063-2615 USA. The Municipal Authority of Westmoreland County is made up of acquired potable water and wastewater systems that have been integrated through careful planning MS4 Stormwater · Annual MS4 Status Reports · Stormwater Information · Council Meeting Information · Our History · Park Rental Information · Events Calendar. Work With Us. ziak, hv6v, 1np6lh, hk6ns, wuy, y4oa, chxn, amvxbfkoyp, eld6pw, vkol,