Wis Rapids Water Works & Lighting Comm, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 8.3 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. 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 Wis Rapids Water Works & Lighting Comm
Wis Rapids Water Works & Lighting Comm serves about 20,000 people through 7,919 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 groundwater, in Wood County, Wisconsin. EPA system ID: WI7720108. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
Against the period ending 2025 (8.1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Wis Rapids Water Works & Lighting Comm is 10 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 8.3 ppb |
| 2025 | 8.1 ppb |
| 2020 | 10 ppb |
| 2017 | 6.5 ppb |
How Wis Rapids Water Works & Lighting Comm compares
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. Wis Rapids Water Works & Lighting Comm's 8.3 ppb sits at the 96th percentile in Wisconsin and the 96th nationally (higher means more lead).
Neighbouring systems
12 other systems share Wood County; 0 of them have a higher latest lead result than Wis Rapids Water Works & Lighting Comm. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Marshfield Utilities | 18,815 | 8.2 ppb |
| Nekoosa Waterworks | 2,394 | 0 (not detected) |
| Port Edwards Water Utility | 1,866 | 2.6 ppb |
| Biron Water Utility | 879 | 0.65 ppb |
| Pittsville Waterworks | 800 | 2.06 ppb |
| Vesper Waterworks | 512 | 1.1 ppb |
| Milladore Waterworks | 280 | 0.49 ppb |
| Pirco Mhp | 97 | 3.77 ppb |
| Hickory Shade | 55 | 0.45 ppb |
| Prairie Meadow Estates 1 | 50 | 1.08 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Wisconsin Rapids, 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 Wis Rapids Water Works & Lighting Comm 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. Systems that went over once often dip back under; here is what that means.