Worthington, 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.
Worthington at a glance
Worthington serves about 14,052 people through 4,206 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 Nobles County, Minnesota. EPA system ID: MN1530011; phone on file: 5073728680. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is up 14 ppb from 0 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Worthington is 14 ppb across 10 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 14 ppb over 10 |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 1 ppb |
| 2020 | 0 (not detected) |
| 2020 | 1 ppb |
| 2019 | 1 ppb |
| 2019 | 3 ppb |
| 2018 | 2 ppb |
| 2017 | 4 ppb |
Against other Minnesota systems
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. Worthington's 14 ppb sits at the 99th percentile in Minnesota and the 99th nationally (higher means more lead).
Neighbouring systems
11 other systems share Nobles County; 0 of them have a higher latest lead result than Worthington. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Adrian | 1,211 | 3 ppb |
| Brewster | 506 | 3 ppb |
| Ellsworth | 490 | 11 ppb |
| Round Lake | 376 | 2 ppb |
| Wilmont | 344 | 1 ppb |
| Rushmore | 342 | 0 (not detected) |
| Lismore | 237 | 2 ppb |
| Bigelow | 235 | 1 ppb |
| Leota | 225 | 11 ppb |
| Reading | 75 | 1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Worthington, 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 Worthington whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1910 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. Why sampled homes are the worst-case ones is in the guide to reading the number. This system is in the band the 2027 10 ppb rule changes.