New Holstein Waterworks, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 3.1 ppb (monitoring period 2023-2023). 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.
New Holstein Waterworks at a glance
New Holstein Waterworks serves about 3,012 people through 1,371 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Calumet County, Wisconsin. EPA system ID: WI4080270. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
Against the period ending 2022 (3.7 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for New Holstein Waterworks is 14.1 ppb across 9 monitoring periods, none of them over 15 ppb (6 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 3.1 ppb |
| 2022 | 3.7 ppb |
| 2021 | 14.1 ppb over 10 |
| 2021 | 13.7 ppb over 10 |
| 2020 | 13.2 ppb over 10 |
| 2019 | 7.4 ppb |
| 2018 | 11.5 ppb over 10 |
| 2018 | 11.4 ppb over 10 |
| 2017 | 11.4 ppb over 10 |
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. New Holstein Waterworks's 3.1 ppb sits at the 77th percentile in Wisconsin and the 83rd nationally (higher means more lead).
Nearby utilities
9 other systems share Calumet County; 3 of them have a higher latest lead result than New Holstein Waterworks. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Harrison Utilities-Fka Waverly Sd | 5,500 | 0 (not detected) |
| Chilton Waterworks | 4,191 | 13 ppb |
| Brillion Waterworks | 3,262 | 8.1 ppb |
| Sherwood Waterworks | 3,114 | 0 (not detected) |
| Hilbert Waterworks | 1,176 | 0.84 ppb |
| Stockbridge Waterworks | 680 | 0 (not detected) |
| Forest Junction Pub Util | 487 | 1.3 ppb |
| Lakeview Estates Mhp | 112 | 0.4 ppb |
| Country Aire Mobile Home Court Llc | 98 | 9.65 ppb |
Next steps for New Holstein, WI
Test your own tap with a certified lab first-draw sample; New Holstein, 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 Holstein 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. The action level is dropping - the 10 ppb rule from 2027.