Fox Point Waterworks, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 7.4 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.
Fox Point Waterworks at a glance
Fox Point Waterworks serves about 6,808 people through 2,521 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Milwaukee County, Wisconsin. EPA system ID: WI2410584. Ask the utility on your bill for your address in their service line inventory.
Fox Point Waterworks's lead record
That is up 2 ppb from 5.4 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Fox Point Waterworks is 12 ppb across 3 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 7.4 ppb |
| 2025 | 5.4 ppb |
| 2020 | 12 ppb over 10 |
How Fox Point Waterworks 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. Fox Point Waterworks's 7.4 ppb sits at the 94th percentile in Wisconsin and the 95th nationally (higher means more lead).
Neighbouring systems
16 other systems share Milwaukee County; 4 of them have a higher latest lead result than Fox Point Waterworks. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Milwaukee Waterworks | 626,000 | 5.3 ppb |
| West Allis Waterworks | 63,240 | 2.4 ppb |
| Wauwatosa Waterworks | 49,064 | 8.4 ppb |
| North Shore Water Commission | 35,598 | 11 ppb |
| Oak Creek Waterworks | 32,104 | 2 ppb |
| Franklin Water Utility | 22,500 | 3 ppb |
| South Milwaukee Waterworks | 21,340 | 7.7 ppb |
| Cudahy Waterworks | 18,659 | 13 ppb |
| Greendale Waterworks | 14,393 | 0.32 ppb |
| Whitefish Bay Waterworks | 14,272 | 4.7 ppb |
Next steps for Fox Point, WI
Test your own tap with a certified lab first-draw sample; Fox Point, 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 Fox Point Waterworks 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. Size matters more than most people expect: small vs large water systems.