My Place At Twin Valley, MI
Lead detected, under the action levels
Latest 90th-percentile lead: 3 ppb (monitoring period 2022-2024). 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 My Place At Twin Valley
My Place At Twin Valley serves about 88 people through 35 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Calhoun County, Michigan. EPA system ID: MI0040091; phone on file: 586-745-4294. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
The highest 90th-percentile result EPA holds for My Place At Twin Valley is 3 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 3 ppb |
Where this result ranks
Of the 1,227 Michigan systems with a lead result, the median latest reading is 1 ppb; 31 are over 15 ppb right now and 109 have gone over at some point. My Place At Twin Valley's 3 ppb sits at the 75th percentile in Michigan and the 81st nationally (higher means more lead).
Neighbouring systems
16 other systems share Calhoun County; 0 of them have a higher latest lead result than My Place At Twin Valley. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Battle Creek - Verona System | 43,975 | 2 ppb |
| Albion | 9,144 | 1 ppb |
| Marshall | 7,088 | 2 ppb |
| Pennfield Township | 3,916 | 1.6 ppb |
| Springfield | 3,833 | 0 (not detected) |
| Emmett Township | 2,550 | 0 (not detected) |
| Homer | 1,668 | - |
| Athens | 956 | - |
| Bedford Hills | 850 | 0 (not detected) |
| Tekonsha | 722 | 0 (not detected) |
Next steps for Mt Clemens, MI
Test your own tap with a certified lab first-draw sample; Mt Clemens, MI 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 My Place At Twin Valley 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.