Oquossoc Standard Water System, ME
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Oquossoc Standard Water System at a glance
Oquossoc Standard Water System serves about 88 people through 35 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Franklin County, Maine. EPA system ID: ME0092361; phone on file: 207-864-5477. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 3.3 ppb from 3.3 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Oquossoc Standard Water System is 3.3 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 3.3 ppb |
| 2019 | 1.7 ppb |
| 2016 | 1.1 ppb |
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. Oquossoc Standard Water System's reported as 0 (not detected) sits at the 15th percentile in Maine and the 8th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
12 other systems share Franklin County; 9 of them have a higher latest lead result than Oquossoc Standard Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Farmington Village Corp Water Dept | 4,050 | 8.42 ppb |
| Wilton Water Department | 2,800 | 4.9 ppb |
| Sugarloaf Water Association | 1,730 | 2.98 ppb |
| Rangeley Water District | 1,378 | 1.9 ppb |
| Jay Village Water District | 975 | 7.1 ppb |
| Kingfield Water District | 950 | 1.3 ppb |
| Mt Blue Standard Water District | 650 | 0 (not detected) |
| North Jay Water District | 500 | 2.5 ppb |
| Strong Water District | 500 | 2.6 ppb |
| Eustis Water Department | 475 | 1.5 ppb |
Your move
Look up your address in Oquossoc Standard Water System's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Oquossoc Standard Water System 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. A zero today does not rule out a jump later - the rules are tightening in 2027.