Mauston Green Acres, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 2 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.
Who runs the water here
Mauston Green Acres serves about 40 people through 19 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Juneau County, Wisconsin. EPA system ID: WI7290134. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
That is down 1.02 ppb from 3.02 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Mauston Green Acres is 5.28 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2021 | 2 ppb |
| 2020 | 3.02 ppb |
| 2019 | 5.28 ppb |
| 2018 | 1.03 ppb |
| 2017 | 2.9 ppb |
| 2016 | 0.5 ppb |
How Mauston Green Acres 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. Mauston Green Acres's 2 ppb sits at the 62nd percentile in Wisconsin and the 69th nationally (higher means more lead).
Neighbouring systems
14 other systems share Juneau County; 5 of them have a higher latest lead result than Mauston Green Acres. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mauston Waterworks | 4,456 | 0.94 ppb |
| New Lisbon Waterworks | 2,526 | 1.4 ppb |
| Elroy Waterworks | 1,333 | 0 (not detected) |
| Necedah Waterworks | 844 | 4.47 ppb |
| Wonewoc Waterworks | 758 | 1.6 ppb |
| Camp Douglas Waterworks | 640 | 1.95 ppb |
| Lyndon Station Waterworks | 474 | 1.89 ppb |
| Wi Air National Guard Volk Field | 400 | 6.29 ppb |
| Union Center Waterworks | 225 | 0 (not detected) |
| Kountry Aire Est Mhp Iii | 210 | 4.3 ppb |
Next steps for Colfax, WI
Test your own tap with a certified lab first-draw sample; Colfax, 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 Mauston Green Acres 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. Size matters more than most people expect: small vs large water systems.