Not one of these six is a simple MWRA town.
Five of these towns pump much of their own drinking water. Four have addresses with no sewer, and none of it appears on a listing.
A table, not six brochures.
Charm, character and a good downtown are true of all six. They are also unfalsifiable, which is why every brokerage writes them.
This page compares three things instead: whether the town has a commuter rail station, where the drinking water comes from, and whether the sewer reaches the house. Each one shows up in what a renovation costs or how a morning runs.
The differences worth naming
are the ones you cannot renovate away.
The six side by side
| Town | Commuter rail in town | Drinking water | Sewer |
|---|---|---|---|
| Westwood | Route 128 on the Providence/Stoughton Line, Zone 2. Islington on the Franklin/Foxboro Line, Zone 3 | Dedham-Westwood Water District. Seventeen wells, roughly three quarters local, the rest MWRA | MWRA sewer. Around 87 miles of main. Not the whole town |
| Dover | None in town. Nearest is Needham Junction on the Needham Line | Private wells and the Colonial Water Company | No municipal sewer at all |
| Medfield | None in town. Nearest are Walpole and Norfolk | Five town wells and the town’s own treatment plant. Not MWRA | Town treatment plant. 1,116 properties are on town water and private septic |
| Walpole | Walpole on the Franklin/Foxboro Line, Zone 4. Plimptonville is built but has no service | Town wells only. Not MWRA. The state classifies the basin as stressed | MWRA sewer for around 70 per cent of the town. The rest is septic, by design |
| Needham | Four stations. Needham Heights, Needham Center, Needham Junction and Hersey, all Needham Line, all Zone 2 | Three town wells supply 80 to 90 per cent. MWRA is the supplement | MWRA sewer, no local treatment plant. Around 800 houses still on septic |
| Wellesley | Wellesley Square, Wellesley Hills and Wellesley Farms, all Framingham/Worcester Line, all Zone 3 | Ten town wells. In 2022 about a quarter local, the rest MWRA | MWRA sewer |
Rail service and fare zones from MBTA schedule data and the system map dated June 2026. Water and sewer from each town, its water district and the Massachusetts Water Resources Authority. Read August 2026. Nothing here is a statement about the people who live in any of these towns, and none of it should be read as one.
Where the six actually diverge
Water is a hard constraint in one of them
Walpole is the sharp case. The state classifies its water basin as stressed, average demand sits close to the permitted ceiling, and since June 2026 outdoor watering has been restricted to one day a week with no stated end date.
Four of the six have addresses with no sewer
Dover has no municipal sewer anywhere. Walpole left the rural end of town off the system deliberately in 1981. Medfield bills 1,116 properties for town water only. Needham still had around eight hundred houses on septic at its last published count.
On any of those lots the septic system sets the bedroom count. An addition begins with a soil test rather than a floor plan, and a new system may belong in the budget before the design starts.
Town pages
Westwood
Two stations on two different lines, in two different fare zones. Where the office is.
Dover
No train, no municipal sewer, and a regional high school. The structural outlier of the six.
Medfield
No station, sole-source groundwater, and five schools that every child attends in sequence.
Walpole
Two stations, one service. Water the state calls stressed, and three in ten households on septic.
Needham
Four stations on the Needham Line, all Zone 2, and 845 permits for new houses against 840 demolitions in a decade.
Wellesley
Three stations, all Zone 3, and four separate permission regimes for changing a house.
Looking somewhere that is not on this list?
These six are where Artemis works most often, not a boundary. If the town you are considering is not here, the same three questions still apply and we can answer them for it.
Questions about comparing towns
Why does this page not say which town is best?
Because best depends entirely on what you are optimizing for, and because a brokerage steering people toward or away from a neighborhood is what fair housing law exists to prevent. The comparison is structural on purpose.
Where do the school rankings and neighborhood scores go?
They are not on this site. Scores of that kind usually blend in measures that track family composition or race, and repeating them in a real estate advertisement is a fair housing problem regardless of who published the score. What is here is how the district is organized, which is a fact.
I care about a factor that is not in the table?
Ask. Plenty of things that matter are specific to one house rather than a whole town, which is exactly why they are not in a town comparison.
Ask about a town
Name the town and what you are weighing. The answer is about that town, not a set of listings. These six are where Artemis works most often, not a boundary.
Broker-owned and design-led. Westwood, Dover, Wellesley, Needham and the towns in between.
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