S And J Wild River Mhp, WI
Exceeded the action level in the past
Latest 90th-percentile lead: 1.75 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 S And J Wild River Mhp
S And J Wild River Mhp serves about 90 people through 36 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Sawyer County, Wisconsin. EPA system ID: WI8580535. Ask the utility on your bill for your address in their service line inventory.
S And J Wild River Mhp's lead record
Against the period ending 2025 (0.96 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for S And J Wild River Mhp is 25.9 ppb across 4 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.75 ppb |
| 2025 | 0.96 ppb |
| 2022 | 25.9 ppb over 15 |
| 2018 | 1.11 ppb |
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. S And J Wild River Mhp's 1.75 ppb sits at the 58th percentile in Wisconsin and the 67th nationally (higher means more lead).
Nearby utilities
9 other systems share Sawyer County; 3 of them have a higher latest lead result than S And J Wild River Mhp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Hayward Water Utility | 2,552 | 0 (not detected) |
| Winter Waterworks | 344 | 5.2 ppb |
| Radisson Waterworks | 241 | 0 (not detected) |
| Exeland Waterworks | 196 | 4.5 ppb |
| Stone Lake Sanitary District | 175 | 0 (not detected) |
| Flambeau Correctional Center | 120 | 0 (not detected) |
| Tamarack Health Hayward Medical Center | 85 | 0.13 ppb |
| Luedtkes Mobile Home Park | 50 | 0.15 ppb |
| Big Musky Resort | 25 | 4 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Hayward, 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 S And J Wild River Mhp 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. Why an old exceedance still matters: over the limit before, under it now.