West Paris Water District, ME
Lead detected, under the action levels
Latest 90th-percentile lead: 3.1 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. 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.
Who runs the water here
West Paris Water District serves about 540 people through 216 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Oxford County, Maine. EPA system ID: ME0091600; phone on file: 207-890-1618. They can tell you what your service line is made of and whether they pay to replace it.
West Paris Water District's lead record
Against the period ending 2025 (2.7 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for West Paris Water District is 13.1 ppb across 12 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 3.1 ppb |
| 2025 | 2.7 ppb |
| 2025 | 1.6 ppb |
| 2024 | 13.1 ppb over 10 |
| 2024 | 12.5 ppb over 10 |
| 2022 | 3.9 ppb |
| 2019 | 0 (not detected) |
| 2018 | 1 ppb |
| 2017 | 1.5 ppb |
| 2016 | 2.3 ppb |
| 2016 | 8.5 ppb |
| 2016 | 3.3 ppb |
How West Paris Water District 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. West Paris Water District's 3.1 ppb sits at the 76th percentile in Maine and the 83rd nationally (higher means more lead).
Neighbouring systems
14 other systems share Oxford County; 5 of them have a higher latest lead result than West Paris Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Rumford Water District | 4,050 | 3.7 ppb |
| Paris Utility District | 2,940 | 2.1 ppb |
| Mexico Water District | 2,425 | 1.4 ppb |
| Fryeburg Water Company | 2,085 | 1.2 ppb |
| Norway Water District | 2,043 | 3.4 ppb |
| Bethel Water District | 1,813 | 4.9 ppb |
| Dixfield Water & Sewer Dept | 1,415 | 0 (not detected) |
| Oxford Water District | 1,100 | 2.2 ppb |
| Buckfield Village Corporation | 425 | 0 (not detected) |
| Andover Water District | 265 | 9 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; West Paris, 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 West Paris Water District whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 3380 ppb (copper action level 1,300 ppb).
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. The action level is dropping - the 10 ppb rule from 2027.