Houghton Co Memorial Airport, MI
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2022-2022). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Houghton Co Memorial Airport at a glance
Houghton Co Memorial Airport serves about 50 people through 20 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Houghton County, Michigan. EPA system ID: MI0003235. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
That is down 6 ppb from 6 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Houghton Co Memorial Airport is 10 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2022 | 0 (not detected) |
| 2021 | 6 ppb |
| 2020 | 1 ppb |
| 2019 | 10 ppb |
| 2019 | 1 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. Houghton Co Memorial Airport's reported as 0 (not detected) sits at the 4th percentile in Michigan and the 3rd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
16 other systems share Houghton County; 14 of them have a higher latest lead result than Houghton Co Memorial Airport. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Houghton | 8,386 | 5.5 ppb |
| Upper Michigan Water Company | 5,535 | 1.6 ppb |
| Hancock | 4,500 | 1.1 ppb |
| Adams Township | 2,010 | - |
| Laurium | 1,947 | 0 (not detected) |
| Osceola Township | 1,391 | 3.6 ppb |
| Portage Township | 1,214 | 2.1 ppb |
| Lake Linden | 1,203 | 1.3 ppb |
| Torch Lake Township | 946 | 0.66 ppb |
| Chassell Township | 800 | 1.3 ppb |
Next steps for Calumet, MI
Look up your address in Houghton Co Memorial Airport's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Houghton Co Memorial Airport 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. A zero today does not rule out a jump later - the rules are tightening in 2027.