Stetsonville Waterworks, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 0.9 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.
About Stetsonville Waterworks
Stetsonville Waterworks serves about 563 people through 232 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 Taylor County, Wisconsin. EPA system ID: WI8610550. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
Against the period ending 2023 (0.64 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Stetsonville Waterworks is 1.3 ppb across 11 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.9 ppb |
| 2023 | 0.64 ppb |
| 2023 | 1.1 ppb |
| 2021 | 0.8 ppb |
| 2021 | 1.1 ppb |
| 2020 | 0.89 ppb |
| 2020 | 1.3 ppb |
| 2019 | 0.98 ppb |
| 2018 | 0.77 ppb |
| 2017 | 0 (not detected) |
| 2016 | 0 (not detected) |
Where this result ranks
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. Stetsonville Waterworks's 0.9 ppb sits at the 38th percentile in Wisconsin and the 49th nationally (higher means more lead).
Other water systems in Taylor County
6 other systems share Taylor County; 5 of them have a higher latest lead result than Stetsonville Waterworks. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Medford Waterworks | 4,318 | 2.8 ppb |
| Rib Lake Waterworks | 945 | 2 ppb |
| Gilman Waterworks | 372 | 4.36 ppb |
| Westboro San Dist 1 | 150 | 1.03 ppb |
| Camp Forest Springs James Lake And Forest Lake Apts | 79 | 0.96 ppb |
| Medford Mhp Llc | 51 | 0.37 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Stetsonville, 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 Stetsonville Waterworks whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1400 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.