Rueden Ridge Subdivision, WI
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
About Rueden Ridge Subdivision
Rueden Ridge Subdivision serves about 100 people through 66 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Outagamie County, Wisconsin. EPA system ID: WI4451651. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
Against the period ending 2021 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Rueden Ridge Subdivision is 0 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2018 | 0 (not detected) |
How Rueden Ridge Subdivision 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. Rueden Ridge Subdivision's reported as 0 (not detected) sits at the 5th percentile in Wisconsin and the 10th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
18 other systems share Outagamie County; 15 of them have a higher latest lead result than Rueden Ridge Subdivision. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Appleton Waterworks | 74,511 | 1.3 ppb |
| Grand Chute Tn San Dist 1 | 21,583 | 3.1 ppb |
| Kaukauna Utilities | 17,493 | 2.4 ppb |
| Darboy Sanitary Dist 1 | 13,024 | 0.47 ppb |
| Little Chute Waterworks | 12,168 | 8.6 ppb |
| Greenville Utilities Vil Of | 11,340 | 7.5 ppb |
| Kimberly Waterworks | 7,608 | 13 ppb |
| Combined Locks Waterworks | 3,609 | 0 (not detected) |
| Seymour Waterworks | 3,601 | 1.7 ppb |
| Freedom Sanitary District | 3,260 | 1.5 ppb |
Next steps for Kaukauna, WI
Look up your address in Rueden Ridge Subdivision's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Rueden Ridge Subdivision 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. Small systems behave differently: why small systems go over more often.