Newfolden, MN
Exceeded the action level in the past
Latest 90th-percentile lead: 2 ppb (monitoring period 2025-2025). 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.
Newfolden at a glance
Newfolden serves about 338 people through 194 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 Marshall County, Minnesota. EPA system ID: MN1450007; phone on file: 2188747135. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Newfolden's lead record
That is up 2 ppb from 0 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Newfolden is 38 ppb across 6 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2 ppb |
| 2024 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2023 | 38 ppb over 15 |
| 2021 | 4 ppb |
Where this result ranks
Of the 966 Minnesota systems with a lead result, the median latest reading is 0 ppb; 7 are over 15 ppb right now and 48 have gone over at some point. Newfolden's 2 ppb sits at the 69th percentile in Minnesota and the 71st nationally (higher means more lead).
Other water systems in Marshall County
11 other systems share Marshall County; 0 of them have a higher latest lead result than Newfolden. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Marshall-Polk Rural Water System | 3,295 | 2 ppb |
| Warren | 1,551 | 0 (not detected) |
| Stephen | 568 | 0 (not detected) |
| Argyle | 533 | 0 (not detected) |
| Alvarado | 377 | 2 ppb |
| Middle River | 299 | 0 (not detected) |
| Oslo | 242 | 0 (not detected) |
| Grygla | 179 | 0 (not detected) |
| Viking | 85 | 0 (not detected) |
| Holt | 84 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Newfolden, MN 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 Newfolden 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. More in what a past exceedance means today.