Colony Bay Condominiums, MI
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2023-2023). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Colony Bay Condominiums serves about 75 people through 25 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Cass County, Michigan. EPA system ID: MI0001552; phone on file: 630-330-3728. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Colony Bay Condominiums is 16 ppb across 3 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 16 ppb over 15 |
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. Colony Bay Condominiums's reported as 0 (not detected) sits at the 8th percentile in Michigan and the 7th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
15 other systems share Cass County; 6 of them have a higher latest lead result than Colony Bay Condominiums. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Dowagiac | 6,350 | 6 ppb |
| Cassopolis | 1,815 | - |
| Cass County Water System | 1,350 | 0 (not detected) |
| Edwardsburg | 1,260 | 3.4 ppb |
| Marcellus | 1,198 | 3.9 ppb |
| Bair Lake Bible Camp | 372 | 0 (not detected) |
| Colonial Acres | 265 | 1 ppb |
| Eagle Lake Estates Mhp | 230 | 3.6 ppb |
| Linden Mobile Home Park | 92 | 0 (not detected) |
| White Pines Mobile Home Park | 90 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Cassopolis, 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 Colony Bay Condominiums 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. More in what a past exceedance means today.