New London Waterworks, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 7.9 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.
Who runs the water here
New London Waterworks serves about 7,187 people through 2,735 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 groundwater, in Waupaca County, Wisconsin. EPA system ID: WI4690398. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
That is down 5.1 ppb from 13 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for New London Waterworks is 13 ppb across 3 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 7.9 ppb |
| 2020 | 13 ppb over 10 |
| 2017 | 7.2 ppb |
How New London 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. New London Waterworks's 7.9 ppb sits at the 95th percentile in Wisconsin and the 96th nationally (higher means more lead).
Nearby utilities
10 other systems share Waupaca County; 1 of them has a higher latest lead result than New London Waterworks. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Waupaca Waterworks | 6,062 | 3.6 ppb |
| Clintonville Utilities | 4,635 | 3.5 ppb |
| Weyauwega Waterworks | 1,820 | 6 ppb |
| Manawa Waterworks | 1,300 | 3.6 ppb |
| Marion Waterworks | 1,293 | 2.8 ppb |
| Iola Waterworks | 1,249 | 12 ppb |
| Wisconsin Veterans Home | 950 | 2 ppb |
| Embarrass Waterworks | 346 | 6.4 ppb |
| Oakwood Estates Mhp | 110 | 1.75 ppb |
| Rawhide Youth Homes | 92 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; New London, 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 New London 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. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.