What was found in Mount Pleasant's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Lithium | 11 µg/L No EPA limit set Main supplier: MOUNT PLEASANT · 21,688 people · 2025 | 1/1 | UCMR-5 |
| Lead | 0.0014 mg/L 9.3% of the EPA limit 0.0150 mg/L Main supplier: MOUNT PLEASANT · 21,688 people · 2024 | 1/1 | LCR |
Water suppliers serving Mount Pleasant
| Supplier | Population served |
|---|---|
| MOUNT PLEASANT | 21,688 |
Frequently asked questions about Mount Pleasant tap water
Is Mount Pleasant tap water safe to drink?
EPA testing detected 2 contaminants in the water serving Mount Pleasant. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Mount Pleasant?
1 public water supplier report drinking-water monitoring for Mount Pleasant, Michigan to the EPA. Each is listed above with its population served.
What contaminants are in Mount Pleasant's water?
The contaminants EPA monitoring detected in Mount Pleasant include Lithium, Lead. The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.