Town Water or a Well? Sewer or Septic? Every Western Mass Town

In most of the United States, "is it on town water?" is a question you ask about a specific house. In Western Massachusetts it is frequently a question about the entire town, and the answer is no more often than buyers moving here expect.

31 of the 101 towns have no registered community water system at all. 49 have no municipal sewer. 28 have neither, which means every property in them draws from a well and discharges to a septic system.

What a well actually commits you to

A private well is not a lesser version of town water. It is a piece of infrastructure you own, and it comes with obligations nobody mentions at the open house.

• Testing is on you. Massachusetts does not require routine testing of private wells in most circumstances. Nobody sends you a report. If you want to know what is in your water, you pay a lab, and you should, at minimum for coliform, nitrates, arsenic, uranium and radon in water, all of which occur naturally in New England bedrock.
• A pump dies eventually. Submersible pumps last roughly ten to twenty years and replacing one runs to four figures. Ask when the current one went in.
• Yield varies with the rock. Bedrock wells in some parts of this region are reliable and in others are marginal. The state's hydrogeologic mapping rates the outlook town by town, and it is on every town page here.
• Drought is a real event. Shallow wells in the hilltowns have gone dry in recent dry summers. Depth matters, and the well driller's report, if it exists, is worth finding.

What a septic system actually commits you to

This is the one that generates unpleasant surprises at closing, because Massachusetts has a rule most other states do not.

Under Title 5, a septic system generally must be inspected before a property changes hands, and the inspection has to pass. A system that fails must be repaired or replaced, and a full replacement in this region routinely runs well into five figures, more where the soil is poor or the lot is tight or the water table is high. Who pays is negotiable. Whether the work happens is not.

Soil is the deciding variable, and it is mapped. The federal soil survey rates every parcel's suitability for a conventional septic field, and where the rating is poor the alternative is an engineered system at several times the cost. Our address lookup reports the soil rating for the exact point rather than the town average, which matters because a single lot can straddle two soil types.

The towns with both, and why

49 towns have both a community water system and municipal sewer serving at least part of their area. Unsurprisingly they are the cities and the larger valley towns: the places that industrialised, that had the population density to justify the capital cost, and that in several cases built the systems a century or more ago.

Note "at least part of their area". This is the most important caveat in the article. A town appearing as "Yes" here is a town where the service exists somewhere, not everywhere. Service areas have edges, and plenty of properties inside towns with excellent municipal systems sit beyond the last main and are on a well and a tank like everybody else.

That is a parcel-level fact and no town-level table can settle it. Ask the seller, ask the water department, and look for the bill.

Every town, water and sewer

Sortable and filterable. Filter the water column to "No, private wells" for the 31 towns where the question is settled before you look at a single house.

Questions to ask before you make an offer

1. Is this specific address on the town system, or on a well and septic? Not the town: the address.
2. If it is a well, how deep, when was it drilled, when was the pump replaced, and when was the water last tested? Ask for the lab report.
3. If it is septic, when was the system installed, when was it last pumped, and has a Title 5 inspection been done? A recent passing inspection is worth real money.
4. How many bedrooms is the septic system permitted for? This caps what you can legally expand to, and it catches people planning an addition.
5. If the town has a system that does not reach the property, what would connecting cost? Sometimes it is feasible. Usually the answer is a number that ends the conversation.

None of this is a reason to avoid a well. Most of this region runs on them perfectly well, and the water is frequently better than what comes out of a municipal tap. It is a reason to know what you are buying before you own it.

The other half of the same question is where the waste goes, and it has a law attached that decides what happens at the sale: sewer or septic, town by town covers Title 5 and what a failed inspection costs.