Stonington Manor, ME
Exceeded the action level in the past
Latest 90th-percentile lead: 8.4 ppb (monitoring period 2023-2025). 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.
About Stonington Manor
Stonington Manor serves about 44 people through 13 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Hancock County, Maine. EPA system ID: ME0092120; phone on file: 207-974-8603. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2022 (9 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Stonington Manor is 30.7 ppb across 9 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 8.4 ppb |
| 2022 | 9 ppb |
| 2021 | 9.2 ppb |
| 2020 | 2.2 ppb |
| 2019 | 5.3 ppb |
| 2018 | 2.7 ppb |
| 2018 | 30.7 ppb over 15 |
| 2017 | 6.4 ppb |
| 2016 | 22 ppb over 15 |
Where this result ranks
Of the 358 Maine systems with a lead result, the median latest reading is 1.5 ppb; 2 are over 15 ppb right now and 40 have gone over at some point. Stonington Manor's 8.4 ppb sits at the 96th percentile in Maine and the 96th nationally (higher means more lead).
Nearby utilities
29 other systems share Hancock County; 3 of them have a higher latest lead result than Stonington Manor. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Town Of Bar Harbor- Water Division | 4,443 | 3.4 ppb |
| Ellsworth Water Department | 3,910 | 4 ppb |
| Southwest Harbor Water & Sewer District | 2,480 | 2.1 ppb |
| Maine Water Company Bucksport Division | 1,700 | 2 ppb |
| Mount Desert Water Dist North | 1,623 | 2.48 ppb |
| Castine Water Department | 983 | 0 (not detected) |
| Mount Desert Water Dist -Seal | 865 | 2.77 ppb |
| Winter Harbor Water District | 700 | 1.4 ppb |
| Stonington Water Company | 683 | 1.3 ppb |
| Franklin Water Department | 420 | 3.6 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Stonington, ME 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 Stonington Manor 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. More in what a past exceedance means today.