Brillion Waterworks, WI
Exceeded the action level in the past
Latest 90th-percentile lead: 8.1 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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Brillion Waterworks serves about 3,262 people through 1,191 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: WI4080221. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
That is down 4.9 ppb from 13 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Brillion Waterworks is 69 ppb across 10 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 8.1 ppb |
| 2022 | 13 ppb over 10 |
| 2022 | 2.5 ppb |
| 2021 | 4.7 ppb |
| 2021 | 5.4 ppb |
| 2020 | 3.6 ppb |
| 2020 | 2.9 ppb |
| 2019 | 3.5 ppb |
| 2019 | 69 ppb over 15 |
| 2017 | 13 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. Brillion Waterworks's 8.1 ppb sits at the 95th percentile in Wisconsin and the 96th nationally (higher means more lead).
Nearby utilities
9 other systems share Calumet County; 2 of them have a higher latest lead result than Brillion 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 |
| Sherwood Waterworks | 3,114 | 0 (not detected) |
| New Holstein Waterworks | 3,012 | 3.1 ppb |
| 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 |
Your move
Test your own tap with a certified lab first-draw sample; Brillion, 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 Brillion 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. The lead result guide covers how utilities pick the homes they sample. More in what a past exceedance means today.