Mason City, Iowa Water Violations
10 water systems serve Mason City, Iowa, providing drinking water to an estimated 27,859 people. These systems have 8 health-based violations on record, meaning contaminant levels exceeded EPA maximum contaminant levels (MCLs) or required treatment standards were not met.
Select a water system below to see its full violation history, lead and copper testing results, and compliance status.
| Water system | Serves | Source | Violations | What kind |
|---|---|---|---|---|
| Pine Creek Golf Course | 55 | Groundwater | 48 | 5 over limit |
| Camp at the Woods | 69 | Groundwater | 24 | |
| Heidelberg Materials US Cement LLC | 130 | Groundwater | 7 | |
| Mason City Water Department | 27,338 | Groundwater | 5 | |
| Mason City Red Power Inc | 38 | Groundwater | 1 | |
| Van Wall Equipment (Mason City) | 34 | Groundwater | 1 | |
| Lime Creek Conservation Area | 81 | Groundwater | 0 | none on record |
| Ziegler Cat (Mason City) | 49 | Groundwater | 0 | none on record |
| Four Oaks (Mason City) | 38 | Groundwater | 0 | none on record |
| Linn Grove Park | 27 | Groundwater | 0 | none on record |