Bit O Green Llc Mhp, WI
Lead detected, under the action levels
Latest 90th-percentile lead: 1.94 ppb (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. 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 Bit O Green Llc Mhp
Bit O Green Llc Mhp serves about 49 people through 21 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Iowa County, Wisconsin. EPA system ID: WI1250207. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
Against the period ending 2021 (1.58 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Bit O Green Llc Mhp is 3.45 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.94 ppb |
| 2021 | 1.58 ppb |
| 2018 | 3.45 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. Bit O Green Llc Mhp's 1.94 ppb sits at the 61st percentile in Wisconsin and the 69th nationally (higher means more lead).
Nearby utilities
14 other systems share Iowa County; 3 of them have a higher latest lead result than Bit O Green Llc Mhp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Dodgeville Waterworks | 4,583 | 1.4 ppb |
| Mineral Point Waterworks | 2,487 | 37 ppb |
| Barneveld Waterworks | 1,258 | 1.9 ppb |
| Arena Waterworks | 877 | 1.1 ppb |
| Highland Waterworks | 842 | 0 (not detected) |
| Ridgeway Waterworks | 690 | 3.48 ppb |
| Linden Waterworks | 547 | 2.2 ppb |
| Avoca Waterworks | 545 | 0 (not detected) |
| House On The Rock Resort | 470 | 1.78 ppb |
| Cobb Waterworks | 458 | 0 (not detected) |
Next steps for Spring Green, WI
Test your own tap with a certified lab first-draw sample; Spring Green, 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 Bit O Green Llc Mhp 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. The action level is dropping - the 10 ppb rule from 2027.