West Stockbridge Water Dept, MA
Lead detected, under the action levels
Latest 90th-percentile lead: 6.3 ppb (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Who runs the water here
West Stockbridge Water Dept serves about 535 people through 229 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Berkshire County, Massachusetts. EPA system ID: MA1326000; phone on file: 4132320309. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is up 4.6 ppb from 1.7 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for West Stockbridge Water Dept is 6.3 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 6.3 ppb |
| 2020 | 1.7 ppb |
| 2018 | 1.9 ppb |
| 2016 | 2.8 ppb |
How West Stockbridge Water Dept compares
Of the 535 Massachusetts systems with a lead result, the median latest reading is 1.7 ppb; 13 are over 15 ppb right now and 66 have gone over at some point. West Stockbridge Water Dept's 6.3 ppb sits at the 90th percentile in Massachusetts and the 94th nationally (higher means more lead).
Neighbouring systems
37 other systems share Berkshire County; 3 of them have a higher latest lead result than West Stockbridge Water Dept. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Pittsfield Dpu Water Dept | 43,927 | 2.4 ppb |
| North Adams Water Dept | 13,000 | 0 (not detected) |
| Lenox Dpw Water Division | 9,800 | 0 (not detected) |
| Adams Fire District | 7,945 | 0 (not detected) |
| Williamstown Water Dept | 7,326 | 0 (not detected) |
| Dalton Fire District | 6,330 | 1.15 ppb |
| Lee Water Dept | 5,686 | 1.1 ppb |
| Great Barrington Fire Dist | 4,380 | 5.3 ppb |
| Stockbridge Water Dept | 2,800 | 5 ppb |
| Lanesborough Fire And Water District | 2,342 | 2.2 ppb |
Your move
Test your own tap with a certified lab first-draw sample; West Stockbridge, MA may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask West Stockbridge Water Dept whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. Why sampled homes are the worst-case ones is in the guide to reading the number. Systems that went over once often dip back under; here is what that means.