Lewiston Water & Sewer Division, ME
Lead detected, under the action levels
Latest 90th-percentile lead: 1.7 ppb (monitoring period 2024-2026). 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.
About Lewiston Water & Sewer Division
Lewiston Water & Sewer Division serves about 23,720 people through 9,308 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Androscoggin County, Maine. EPA system ID: ME0090830; phone on file: 207-513-3003. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2023 (2.3 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Lewiston Water & Sewer Division is 13.5 ppb across 9 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.7 ppb |
| 2023 | 2.3 ppb |
| 2020 | 2.1 ppb |
| 2019 | 5.2 ppb |
| 2018 | 5 ppb |
| 2017 | 0 (not detected) |
| 2017 | 9.5 ppb |
| 2016 | 12.5 ppb over 10 |
| 2016 | 13.5 ppb over 10 |
Against other Maine systems
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. Lewiston Water & Sewer Division's 1.7 ppb sits at the 55th percentile in Maine and the 67th nationally (higher means more lead).
Other water systems in Androscoggin County
18 other systems share Androscoggin County; 4 of them have a higher latest lead result than Lewiston Water & Sewer Division. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Auburn Water District | 17,245 | 5 ppb |
| Lisbon Water Department | 6,643 | 3.4 ppb |
| Livermore Falls Water District | 2,995 | 12.3 ppb |
| Mechanic Falls Water Dept | 2,010 | 0.85 ppb |
| Sabattus Sanitary District | 1,688 | 1.5 ppb |
| Pine Ridge Hunton Brook Association | 298 | 0 (not detected) |
| Begin Trailer Park | 170 | 0 (not detected) |
| Hillview Estates | 140 | 1 ppb |
| Poland Country Village Mhp Inc | 140 | 0 (not detected) |
| Country Acres Trailer Park | 75 | 0 (not detected) |
Next steps for Lewiston, ME
Test your own tap with a certified lab first-draw sample; Lewiston, 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 Lewiston Water & Sewer Division 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. Size matters more than most people expect: small vs large water systems.