Greylock Estates Homeowners Association, MA
Lead detected, under the action levels
Latest 90th-percentile lead: 9.2 ppb (monitoring period 2021-2023). 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.
About Greylock Estates Homeowners Association
Greylock Estates Homeowners Association serves about 25 people through 14 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Berkshire County, Massachusetts. EPA system ID: MA1148008; phone on file: 4134437464. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is up 6.3 ppb from 2.9 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Greylock Estates Homeowners Association is 9.2 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 9.2 ppb |
| 2020 | 2.9 ppb |
| 2019 | 3.4 ppb |
Where this result ranks
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. Greylock Estates Homeowners Association's 9.2 ppb sits at the 95th percentile in Massachusetts and the 97th nationally (higher means more lead).
Nearby utilities
37 other systems share Berkshire County; 0 of them have a higher latest lead result than Greylock Estates Homeowners Association. 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 |
What to do in your house
Test your own tap with a certified lab first-draw sample; Lanesborough, 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 Greylock Estates Homeowners Association 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. The action level is dropping - the 10 ppb rule from 2027.