Comprehensive Water Quality Report for Somerville, MA
Updated April 25, 2026 | American Water Quality Research
Key takeaway: Somerville, MA's water quality is generally safe, but some contaminants exceed health guidelines. Residents should consider using water filters for added protection.
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Water Source for Somerville, MA
Somerville, MA, receives its water from the Massachusetts Water Resources Authority (MWRA). The MWRA sources water from the Quabbin Reservoir and the Wachusett Reservoir, which are located west of Boston.
Contaminants Found in Somerville's Water
According to the EWG Tap Water Database, the water in Somerville has been found to contain several contaminants that exceed the Environmental Working Group's health guidelines. These include trihalomethanes (TTHMs), which are byproducts of chlorine disinfection, and haloacetic acids (HAA5), both of which are linked to potential health risks such as cancer and reproductive issues. Additionally, lead, a common issue in older infrastructure, has been detected, although it is within EPA's allowable limits.
EPA Violations and Advisories
According to available reports, there have been no recent EPA violations concerning Somerville's water supply. However, residents are advised to stay informed through local water quality reports and advisories.
Recommended Water Filters
For residents concerned about contaminants, several water filters are recommended:
1. **Activated Carbon Filters**: Effective at reducing chlorine, TTHMs, and HAA5 levels.
2. **Reverse Osmosis Systems**: These systems can remove a wide range of contaminants, including lead and other heavy metals.
3. **Water Distillers**: While more energy-intensive, distillers can effectively remove most contaminants by converting water to vapor and then back to liquid.
Recommended Water Filters for Somerville
Based on the contaminants and water source profile for Somerville, these filtration systems are most effective:
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Frequently Asked Questions
Is Somerville's tap water safe to drink?
While Somerville's tap water meets federal safety standards, some contaminants exceed health guidelines. Using a water filter can provide additional safety.
What are the main contaminants in Somerville's water?
The main contaminants of concern in Somerville's water are trihalomethanes (TTHMs), haloacetic acids (HAA5), and lead.
How can I reduce contaminants in my tap water?
Using water filters such as activated carbon filters, reverse osmosis systems, or water distillers can help reduce contaminants in your tap water.
Methodology: Data sourced from EPA SDWIS, local water authority reports, and EWG Tap Water Database.
Disclaimer: This report is for informational purposes. For medical advice, consult a healthcare professional.