EPA Data 2025 · Risk Level: Moderate
| Contaminant | Manganese |
| Category | metal |
| Average Level | 21.245 ppb |
| Maximum Level | 55.516 ppb |
| EPA Limit (MCL) | 50 ppb |
| % Wells Above Limit | 8.5% |
| Affected Wells | 23,800 |
| Testing Cost | $109 |
| Treatment Cost | $3,762 |
| vs National Avg | -0.621 ppb (-2.8%) |
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.