Northern Family Farms Mexicali Housing Well, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 0.23 ppb (monitoring period 2024-2024). 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.
About Northern Family Farms Mexicali Housing Well
Northern Family Farms Mexicali Housing Well serves about 60 people through 22 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Jackson County, Wisconsin. EPA system ID: WI6270635. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
Against the period ending 2024 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Northern Family Farms Mexicali Housing Well is 0.23 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0.23 ppb |
| 2024 | 0 (not detected) |
How Northern Family Farms Mexicali Housing Well 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. Northern Family Farms Mexicali Housing Well's 0.23 ppb sits at the 19th percentile in Wisconsin and the 41st nationally (higher means more lead).
Neighbouring systems
10 other systems share Jackson County; 3 of them have a higher latest lead result than Northern Family Farms Mexicali Housing Well. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Black River Falls Waterworks | 3,608 | 2.3 ppb |
| Brockway Sanitary Dist 1 | 2,692 | 0.77 ppb |
| Merrillan Waterworks | 531 | 0 (not detected) |
| Melrose Waterworks | 524 | 0 (not detected) |
| Taylor Waterworks | 498 | 0 (not detected) |
| Alma Center Waterworks | 487 | 0 (not detected) |
| Hixton Waterworks | 443 | 0 (not detected) |
| Black River Correctional Center | 163 | 4.85 ppb |
| Blue Spruce Mobile Home Community | 80 | 0 (not detected) |
| Northfield San Dist 1 | 50 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Merrillan, 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 Northern Family Farms Mexicali Housing Well 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. Systems that went over once often dip back under; here is what that means.