Oaks The, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 0.95 ppb (monitoring period 2021-2021). 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.
Oaks The at a glance
Oaks The serves about 135 people through 47 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Door County, Wisconsin. EPA system ID: WI4150213. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
That is down 1.4 ppb from 2.35 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Oaks The is 2.35 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2021 | 0.95 ppb |
| 2020 | 2.35 ppb |
| 2019 | 1.3 ppb |
| 2018 | 0.42 ppb |
| 2017 | 0.65 ppb |
| 2016 | 0.7 ppb |
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. Oaks The's 0.95 ppb sits at the 40th percentile in Wisconsin and the 50th nationally (higher means more lead).
Other water systems in Door County
5 other systems share Door County; 4 of them have a higher latest lead result than Oaks The. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Sturgeon Bay Waterworks | 9,700 | 3.6 ppb |
| Sister Bay Waterworks | 1,000 | 6.1 ppb |
| Heritage Lake Resort | 130 | 13 ppb |
| Maplewood Sanitary Dist 1 | 122 | 0.21 ppb |
| Cottage Glen Condominiums | 52 | 1.25 ppb |
Next steps for Egg Harbor, WI
Test your own tap with a certified lab first-draw sample; Egg Harbor, 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 Oaks The 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.