Marion Waterworks, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 2.8 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.
Marion Waterworks at a glance
Marion Waterworks serves about 1,293 people through 478 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 Waupaca County, Wisconsin. EPA system ID: WI4690396. Ask the utility on your bill for your address in their service line inventory.
Marion Waterworks's lead record
That is up 1.1 ppb from 1.7 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Marion Waterworks is 2.8 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 2.8 ppb |
| 2020 | 1.7 ppb |
| 2017 | 2.3 ppb |
How Marion 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. Marion Waterworks's 2.8 ppb sits at the 73rd percentile in Wisconsin and the 80th nationally (higher means more lead).
Neighbouring systems
10 other systems share Waupaca County; 7 of them have a higher latest lead result than Marion Waterworks. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| New London Waterworks | 7,187 | 7.9 ppb |
| 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 |
| 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) |
Your move
Test your own tap with a certified lab first-draw sample; Marion, 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 Marion 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. The action level is dropping - the 10 ppb rule from 2027.