Coastal Estates, ME
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 15 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. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
About Coastal Estates
Coastal Estates serves about 48 people through 19 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: ME0092875; phone on file: 207-664-5000. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Coastal Estates's lead record
The highest 90th-percentile result EPA holds for Coastal Estates is 15 ppb across 1 monitoring period, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 15 ppb over 10 |
How Coastal Estates compares
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. Coastal Estates's 15 ppb sits at the 99th percentile in Maine and the 99th nationally (higher means more lead).
Other water systems in Hancock County
29 other systems share Hancock County; 0 of them have a higher latest lead result than Coastal Estates. 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 |
Next steps for Ellsworth, ME
Test your own tap with a certified lab first-draw sample; Ellsworth, 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 Coastal 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. What a 90th-percentile result does and does not tell you: how to read a lead result. See what changes at 10 ppb in 2027.