Lincoln Tn Of Sd 1, WI
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 10.15 ppb (monitoring period 2023-2023). 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 Lincoln Tn Of Sd 1
Lincoln Tn Of Sd 1 serves about 300 people through 83 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 Trempealeau County, Wisconsin. EPA system ID: WI6620579. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
That is up 9.17 ppb from 0.98 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Lincoln Tn Of Sd 1 is 10.15 ppb across 3 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 10.15 ppb over 10 |
| 2020 | 0.98 ppb |
| 2017 | 0 (not detected) |
Against other Wisconsin systems
Of the 947 Wisconsin systems with a lead result, the median latest reading is 1.33 ppb; 6 are over 15 ppb right now and 71 have gone over at some point. Lincoln Tn Of Sd 1's 10.15 ppb sits at the 97th percentile in Wisconsin and the 97th nationally (higher means more lead).
Nearby utilities
13 other systems share Trempealeau County; 1 of them has a higher latest lead result than Lincoln Tn Of Sd 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Arcadia Waterworks | 3,737 | 1.84 ppb |
| Trempealeau Waterworks | 1,888 | 0 (not detected) |
| Whitehall Waterworks | 1,820 | 1.5 ppb |
| Osseo Waterworks | 1,701 | 1.23 ppb |
| Galesville Waterworks | 1,679 | 2.84 ppb |
| Independence Waterworks | 1,500 | 0 (not detected) |
| Blair Waterworks | 1,280 | 0 (not detected) |
| Strum Waterworks | 1,100 | 0.8 ppb |
| Eleva Waterworks | 635 | 4 ppb |
| Ettrick Waterworks | 536 | 1.87 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Whitehall, WI 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 Lincoln Tn Of Sd 1 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. What a 90th-percentile result does and does not tell you: how to read a lead result. This system is in the band the 2027 10 ppb rule changes.