North Mankato, MN
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 14 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. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
About North Mankato
North Mankato serves about 14,448 people through 5,676 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 groundwater, in Nicollet County, Minnesota. EPA system ID: MN1520005; phone on file: 5076254141. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is up 11 ppb from 3 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for North Mankato is 14 ppb across 5 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 14 ppb over 10 |
| 2023 | 3 ppb |
| 2020 | 1 ppb |
| 2019 | 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. North Mankato's 14 ppb sits at the 99th percentile in Minnesota and the 99th nationally (higher means more lead).
Neighbouring systems
5 other systems share Nicollet County; 0 of them have a higher latest lead result than North Mankato. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Saint Peter | 12,198 | 1 ppb |
| Nicollet | 1,117 | 3 ppb |
| Courtland | 635 | 9 ppb |
| Lafayette | 504 | 1 ppb |
| Klossner Water Association | 54 | 2 ppb |
Next steps for North Mankato, MN
Test your own tap with a certified lab first-draw sample; North Mankato, 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 North Mankato 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. This system is in the band the 2027 10 ppb rule changes.