Water Systems Serving Zip Code 46321
Not sure which system is yours? Most residents in ZIP 46321 are likely served by Munster Water Company (population served: 23,894). Check your water bill for your provider name if you're unsure.
Direct EPA ZIP Matches
2 active water systems have this ZIP in EPA records.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Munster Water Company | 23,894 | Surface Water Purchased | 8 | 0 |
| Little Calumet River Basin-Artesian Well | 500 | Groundwater | 4 | 0 |