Oak Lane Mobile Home Park, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 1.51 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.
Who runs the water here
Oak Lane Mobile Home Park serves about 60 people through 42 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Portage County, Wisconsin. EPA system ID: WI7500146. Ask the utility on your bill for your address in their service line inventory.
Oak Lane Mobile Home Park's lead record
That is down 8.88 ppb from 10.39 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Oak Lane Mobile Home Park is 12.81 ppb across 3 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1.51 ppb |
| 2020 | 10.39 ppb over 10 |
| 2017 | 12.81 ppb over 10 |
Against other Wisconsin systems
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. Oak Lane Mobile Home Park's 1.51 ppb sits at the 54th percentile in Wisconsin and the 64th nationally (higher means more lead).
Neighbouring systems
7 other systems share Portage County; 3 of them have a higher latest lead result than Oak Lane Mobile Home Park. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Stevens Point Waterworks | 26,717 | 2.4 ppb |
| Plover Waterworks | 13,486 | 3.8 ppb |
| Whiting Waterworks | 1,743 | 1.2 ppb |
| Amherst Waterworks | 1,119 | 6 ppb |
| Junction City Waterworks | 416 | 0.99 ppb |
| Riverview Estates Mhp | 150 | 0.37 ppb |
| Pine Grove Villa | 75 | 0.46 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Stevens Point, 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 Oak Lane Mobile Home Park 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. Size matters more than most people expect: small vs large water systems.