Gibbon, MN
Lead detected, under the action levels
Latest 90th-percentile lead: 1 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. 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.
Gibbon at a glance
Gibbon serves about 790 people through 406 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 Sibley County, Minnesota. EPA system ID: MN1720004; phone on file: 5078346566. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Gibbon's lead record
Against the period ending 2024 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Gibbon is 14 ppb across 9 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 4 ppb |
| 2021 | 0 (not detected) |
| 2021 | 2 ppb |
| 2020 | 14 ppb over 10 |
| 2016 | 4 ppb |
| 2016 | 3 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. Gibbon's 1 ppb sits at the 59th percentile in Minnesota and the 53rd nationally (higher means more lead).
Nearby utilities
7 other systems share Sibley County; 3 of them have a higher latest lead result than Gibbon. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Gaylord | 2,269 | 2 ppb |
| Arlington | 2,230 | 3 ppb |
| Winthrop | 1,330 | 3 ppb |
| Henderson | 886 | 0 (not detected) |
| Green Isle | 599 | 1 ppb |
| New Auburn | 456 | 1 ppb |
| Starland Hb, Inc. | 100 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Gibbon, 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 Gibbon whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1500 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Systems that went over once often dip back under; here is what that means.