EPA Data 2025 · Risk Level: Moderate
| Contaminant | Manganese |
| Category | metal |
| Average Level | 21.187 ppb |
| Maximum Level | 89.092 ppb |
| EPA Limit (MCL) | 50 ppb |
| % Wells Above Limit | 10.4% |
| Affected Wells | 18,720 |
| Testing Cost | $51 |
| Treatment Cost | $1,290 |
| vs National Avg | -0.679 ppb (-3.1%) |
Our team analyzes data from EPA SDWIS & USGS to deliver accurate, up-to-date information. All data is verified and cross-referenced with official sources.