Kenosha Water Utility, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 4.1 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.
Who runs the water here
Kenosha Water Utility serves about 99,218 people through 36,747 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 Kenosha County, Wisconsin. EPA system ID: WI2300046. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
That is down 1.2 ppb from 5.3 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Kenosha Water Utility is 8.9 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 4.1 ppb |
| 2024 | 5.3 ppb |
| 2024 | 5.9 ppb |
| 2020 | 7.8 ppb |
| 2017 | 8.9 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. Kenosha Water Utility's 4.1 ppb sits at the 84th percentile in Wisconsin and the 88th nationally (higher means more lead).
Other water systems in Kenosha County
24 other systems share Kenosha County; 2 of them have a higher latest lead result than Kenosha Water Utility. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Pleasant Prairie Water Utility | 10,754 | 0.88 ppb |
| Somers Water Utility | 1,930 | 4.87 ppb |
| Bristol Village Of East | 1,001 | 0 (not detected) |
| Paddock Lake Waterworks | 945 | 3.8 ppb |
| Bristol Waterworks Village Of | 598 | 0 (not detected) |
| Tan Oak Apts | 325 | 0.84 ppb |
| Carefree Estates Mhp | 300 | 1.4 ppb |
| Oakdale Estates Mhp | 220 | 0.48 ppb |
| Twin Lakes Park Water Coop | 150 | 0.32 ppb |
| Prairie Apts 1 & 2 | 150 | 0.71 ppb |
Next steps for Kenosha, WI
Test your own tap with a certified lab first-draw sample; Kenosha, 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 Kenosha Water Utility 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. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.