Lexington Water Department (MWRA)

Lexington Water Department (MWRA) Drinking Water Report Info
About the Water/Sewer Division The Town of Lexington belongs to the Massachusetts Water Resources Authority (MWRA) and purchases approximately 2 billion gallons of water yearly. The Town pays the MWRA to treat and dispose of the town's sewage. The State Legislature assisted in sewer rate relief again by incorporating into their budget $49 million for MWRA communities that meant a reduction of $833,076 in Lexington's MWRA assessment. Lexington has received $4,646,319 from the State since the implementation of this program. The average residential water/sewer bill can be estimated by duplicating 15 units (1 unit = 100 cubic feet) by the number of people in residence during the charging period. Water system Meter Installation Program Lexington has implemented an arrangement that permits establishment of a second meter for outside watering. Water consumed through this meter is just charged a water rate. There have been approximately 3,898 water system meters installed to date. The Water/Sewer System The infrastructure comprises of 158 miles of water principle, 2 water towers putting away 3 million gallons, 1,500 fire hydrants, 3,400 street and hydrant control valves, and around 10,000 residential control valves located on property lines. Four principle water transmission lines serve Lexington: 16" primary at Summer St., 16" fundamental on Mass. Ave. in East Lexington, 12" principle at Watertown Street, and 24" fundamental on Concord Avenue. The sewer system has 137 miles of street line sewers, 34 miles of trunk line sewers and 10 sewer siphon stations, including the primary siphoning station at Route 128 and Bedford St., and 4,924 manholes. Siphoning Stations Main Pumping Station Worthen Road Pumping Station Brigham Road Pumping Station North Street Pumping Station Marshall Road Pumping Station Potter Pond Pumping Station Concord Avenue Pumping Station Hayden Avenue Pumping Station Bowman Street Pumping Station Constitution Road Pumping Station Water/Sewer Division Structure Water dissemination Sewer maintenance Construction Employees are broadly educated to perform all division capacities and participate in snow removal operations. The circulation section has six employees who respond to service calls from residents, repair check and water control boxes, read and introduce water meters and keep up and update the water control valve areas. They oversee the cross-connection control program and investigate all water charge grumblings. They likewise imprint out services for temporary workers, service companies and help the Engineering Division. In a progressing effort to provide residents with quality drinking water, staff directs a yearly system-wide water-flushing program during September and October. Water is tested for bacteria and coliform on a weekly premise at nine different examining areas. All testing results are available.The sewer maintenance section comprises of three employees who keep up the sewer system of 170.7 miles of pipe and 10 sewer siphon stations, implement the sewer principle flushing program and manage the siphon station maintenance program. These two projects assure residents of the safe and proper discharge of wastewater. This staff has the technical knowledge to identify any electrical problems with relay or pressure switches. The development section of the division comprises of three employees who are responsible for the lead water service replacement program, putting in new control valves where needed, and replacing defective control valves. Staff oversees replacements of hydrants, sewer mains and sewer services.Employees attend preparing seminars on confined space entry, cross-connection control, MWRA procedures for drinking water inspecting, hydrant maintenance and courses relating to the State certification exams. Six employees are State Certified Drinking Water Facility Operators. One is a grade 4, three are Grade 3's, and one is a Grade 1. Three employees are State Certified Back Flow Testers and Cross Connection Surveyors. Staff responds to emergency water and sewer repairs day and night. Service interruptions are kept to a base however breaks are often on occasion and areas inconvenient to customers and drivers..