Allston Water Hardness & Quality Report (2026)

Allston, Boston, Massachusetts — a major west Boston university neighborhood (Allston is a significant Boston neighborhood — a west Boston community that straddles the Harvard–Commonwealth Avenue corridor; Allston is one of Boston's most internationally diverse neighborhoods, a dense urban community with a significant student (Harvard Business School and Harvard's athletics campus are in Allston–Brighton), international student, recent immigrant, and young professional population; Allston is particularly known for its music scene (Allston–Brighton has been one of the most important neighborhoods in Boston rock music — it has been called Boston's 'rock'n'roll' neighborhood, and the Allston music venue scene has been a launching point for many significant Boston bands)), a diverse Suffolk County community with a significant Chinese-American, Korean-American, Brazilian-American, and young professional Boston student and immigrant population, home of Brighton's Allston Music scene and numerous dive bars and music venues along Comm Ave, adjacent to Brighton and Harvard's Allston campus — draws its municipal water supply via the MWRA. Water hardness in Allston measures 67 mg/L — classified as moderately soft.

Allston's moderate softness reflects the west Boston MWRA Quabbin–Wachusett supply's calcareous-poor character. The MWRA distributes Quabbin and Wachusett Reservoir supply to west Boston with effective treatment, producing the moderately soft 67 mg/L.

With hardness at 67 mg/L, Allston residents enjoy moderately soft water. MWRA consistently delivers water meeting all Massachusetts DEP and EPA Safe Drinking Water Act requirements.