Crookston, MN
Exceeded the action level in the past
Latest 90th-percentile lead: 5 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. 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.
About Crookston
Crookston serves about 7,272 people through 2,604 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Polk County, Minnesota. EPA system ID: MN1600002; phone on file: 2182814503. 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 down 12 ppb from 17 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Crookston is 17 ppb across 5 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 5 ppb |
| 2025 | 17 ppb over 15 |
| 2022 | 0 (not detected) |
| 2019 | 4 ppb |
| 2016 | 7 ppb |
How Crookston compares
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. Crookston's 5 ppb sits at the 92nd percentile in Minnesota and the 91st nationally (higher means more lead).
Neighbouring systems
10 other systems share Polk County; 0 of them have a higher latest lead result than Crookston. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| East Grand Forks | 9,206 | 3 ppb |
| Fosston | 1,385 | 0 (not detected) |
| Fertile | 789 | 0 (not detected) |
| Mcintosh | 584 | 3 ppb |
| Fisher | 401 | 0 (not detected) |
| Erskine | 384 | 1 ppb |
| Climax | 223 | 0 (not detected) |
| Winger | 181 | 0 (not detected) |
| Beltrami | 85 | 0 (not detected) |
| Nielsville | 76 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Crookston, 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 Crookston 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. More in what a past exceedance means today.