
Medford, Massachusetts | Municipal Water Utility Company | Public Service Announcement
The municipal water supply of Medford Water Department (MWRA) may contain several concerning contaminants including Isopropyl alcohol, Radiological contaminants, Molybdenum and 1,3,5-Trimethylbenzene, while also experiencing notably elevated water hardness levels. Medford Water Department (MWRA) provides your area with tap water sourced from Purchased surface water supplies.
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Medford Water Department (MWRA) Area Details

Area served:
Medford, Massachusetts

Population served:
56787

Water source:
Purchased surface water

Phone:
781-393-2550

Address:
85 George P. Hassett Drive, Medford, MA 2155

3date
Contaminants Detected In Medford, Massachusetts
Bromodichloromethane; Chloroform; Dibromochloromethane; Dichloroacetic acid; Total trihalomethanes (TTHMs); Trichloroacetic acid; Arsenic; Dibromochl… more

Limited Time: Free Official Water Safety Report for Medford Water Department (MWRA)!
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Medford Water Department (MWRA)
Annual Municipal Water Report
List of Municipal Water Contaminants Tested by Medford Water Department (MWRA)
Tested But Not Detected:
1,1-Dichloroethane; 1,2,3-Trichloropropane; 1,3-Butadiene; 1,4-Dioxane; 17-beta-Estradiol; 4-Androstene-3,17-dione; Bromochloromethane; Bromomethane; Chlorodifluoromethane; Chloromethane; Chromium (hexavalent); Cobalt; Equilin; Estriol; Estrone; Ethinyl estradiol; Molybdenum; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Testosterone; Vanadium

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Medford Water Department (MWRA)
About Us
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For more information on your municipal water, visit the U.S. Environmental Protection Agency:
Medford Water Department (MWRA) Municipal Water Company and EPAMedford Water Department (MWRA) Municipal Water Report Info
The Water and Sewer Division manages maintenance and repairs of Medford's water infrastructure throughout the city. This system encompasses approximately 120 miles of water pipes and 120 miles of sewer lines. Additionally, the network includes nearly 1,400 fire hydrants, 15,000 water meters, around 10,000 water gate valves, and a water pumping station on Doonan Street.
Medford receives its water through the Massachusetts Water Resource Authority (MWRA), with the Quabbin Reservoir serving as the primary source. The Division's core responsibilities include maintaining all water lines and lateral service connections from main lines to curb boxes, replacing fire hydrants and water gate valves, monitoring water quality, implementing meter replacement programs, conducting relining operations, and installing residential water main taps.
The city conducts a Flushing Program twice yearly—once in spring and again in fall. Medford also runs an annual Leak Detection program and participates in the Dig Safe program. The Superintendent oversees contractor and property owner work to ensure proper construction techniques. The city utilizes 9 meters that service both high and low-pressure zones of the water system throughout Medford.
Municipal Water Utility Company FAQ

For more information on your municipal water, visit the U.S. CDC:
Medford Water Department (MWRA) Municipal Water Company and CDCWhat are PFOA and PFOS?
PFOA and PFOS are perfluoroalkyl substances (PFAS)—manufactured chemicals resistant to oil, stains, grease, and water. These compounds were utilized in carpet production, clothing and furniture fabrics, food packaging, non-stick cookware, and firefighting foams. Currently, PFOS and PFOA manufacturing has ceased in the United States.
How can I be exposed to PFAS?
PFAS have been used globally in industrial and consumer products since the 1950s. When products containing these chemicals are manufactured, used, or disposed of, they release PFAS into our environment (air, water, soil). These compounds are extremely durable and persist environmentally for extended periods. Exposure can occur through household dust, indoor/outdoor air, food consumption, and tap water. Due to their widespread use, environmental persistence, and ability to travel through water and air, trace amounts exist virtually everywhere.
What is the advisory level?
A lifetime health advisory level (LHAL) represents the concentration below which no adverse health effects are anticipated. The EPA establishes LHALs to provide protection for vulnerable populations: developing fetuses and nursing infants. These calculations consider water consumption by lactating women, who typically drink more water and can transfer these chemicals to infants through breast milk. The EPA has established individual and combined LHALs for PFOA and PFOS at 70 parts per trillion (ppt).
How can PFAS affect my health?
Scientists continue researching potential health impacts from typical PFAS exposure levels in food and water. Some human studies suggest certain PFAS may affect fetal and child development, potentially influencing growth, learning, and behavior. Other possible health effects include:
- Reduced fertility and hormonal disruption
- Elevated cholesterol levels
- Immune system impacts
- Potential increased cancer risk
For additional information about potential PFAS health effects, contact the Alaska Section of Epidemiology at 907-269-8000.
Are my pets at risk?
Animals likely experience health effects similar to humans, though chemical processing can differ between species. Consult your veterinarian with questions about PFAS and your pet's health.
What is being done about water quality?
As part of ongoing water quality assurance efforts, water authorities monitor PFAS concentrations to verify they remain significantly below EPA's lifetime health advisory levels. Various treatment options and contingency plans are being evaluated to enable quick, efficient responses should PFAS concentrations approach concerning levels.
Where can I get more information?
- Alaska Environmental Public Health Program: http://dhss.Alaska.Gov/dph/Epi/eph/Pages/default.Aspx
- Agency for Toxic Substances and Disease Registry: https://www.Atsdr.Cdc.Gov/%/index.Html
- EPA: https://www.Epa.Gov/chemical-studies/studies-andpolyfluoroalkyl-substances-pfas
- National Toxicology Program: https://ntp.Niehs.Nih.Gov/pubhealth/hat/noms/pfoa/index.Html
For questions about PFAS and your health, please consult your healthcare provider.

Medford Water Department (MWRA) delivers municipal water services to residents throughout Medford and Medford, Massachusetts.
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