Madden Estates, MA
Exceeded the action level in the past
Latest 90th-percentile lead: 4 ppb (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Madden Estates at a glance
Madden Estates serves about 50 people through 22 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Worcester County, Massachusetts. EPA system ID: MA2323002; phone on file: 5088677972. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 3.6 ppb from 7.6 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Madden Estates is 62 ppb across 21 monitoring periods, 4 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 4 ppb |
| 2025 | 7.6 ppb |
| 2025 | 22.6 ppb over 15 |
| 2025 | 6.31 ppb |
| 2024 | 3.9 ppb |
| 2024 | 3.78 ppb |
| 2023 | 0 (not detected) |
| 2023 | 4.55 ppb |
| 2022 | 1.65 ppb |
| 2022 | 19 ppb over 15 |
| 2022 | 1.5 ppb |
| 2021 | 4.5 ppb |
| 2021 | 5.2 ppb |
| 2020 | 1.7 ppb |
| 2020 | 2.1 ppb |
| 2019 | 62 ppb over 15 |
| 2018 | 0 (not detected) |
| 2018 | 6.7 ppb |
| 2016 | 6.3 ppb |
| 2016 | 26.1 ppb over 15 |
| 2016 | 8.05 ppb |
Against other Massachusetts systems
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. Madden Estates's 4 ppb sits at the 77th percentile in Massachusetts and the 87th nationally (higher means more lead).
Nearby utilities
107 other systems share Worcester County; 17 of them have a higher latest lead result than Madden Estates. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Worcester Dpwp, Water Supply Division | 206,518 | 2 ppb |
| Fitchburg Dpw Division Of Water Supply | 41,946 | 5 ppb |
| Leominster Water Division | 41,683 | 2.8 ppb |
| Shrewsbury Water Department | 38,325 | 0 (not detected) |
| Milford Water Department | 30,379 | 1 ppb |
| Westborough Water Department | 21,567 | 1.8 ppb |
| Gardner Water Department | 21,381 | 8 ppb |
| Southbridge Water Department | 19,562 | 3 ppb |
| Holden Water Division, Dpw | 18,016 | 3.1 ppb |
| Webster Water Department | 17,776 | 3.7 ppb |
Next steps for West Brookfield, MA
Test your own tap with a certified lab first-draw sample; West Brookfield, 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 Madden Estates 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. The lead result guide covers how utilities pick the homes they sample. More in what a past exceedance means today.