EPA Data 2025 · Risk Level: Moderate
| Contaminant | Manganese |
| Category | metal |
| Average Level | 28.316 ppb |
| Maximum Level | 109.751 ppb |
| EPA Limit (MCL) | 50 ppb |
| % Wells Above Limit | 10.6% |
| Affected Wells | 190,800 |
| Testing Cost | $137 |
| Treatment Cost | $4,880 |
| vs National Avg | +6.450 ppb (+29.5%) |
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.