# Metropolitan of Baltimore, MD — Drinking Water Quality

> Contaminant levels for the Metropolitan of Baltimore, MD public water system, transcribed from its annual Consumer Confidence Report and compared to federal limits.

- Page: https://www.thewatermap.com/water/metropolitan-of-baltimore-md
- Source: the utility's annual Consumer Confidence Report (CCR)
- Verification: transcribed by a model, cross-checked by a second model, approved by a human
- Contaminants measured: 3
- Part of The Water Map — https://www.thewatermap.com

## Contaminants measured

| Contaminant | Category | Measured level | Federal limit | Status |
|---|---|---|---|---|
| HAA5 | Disinfection byproducts | 9.3–39.3 ug/L (Range) | No federal limit | Detected — no federal limit |
| TTHM | Disinfection byproducts | 23.6–91.2 ug/L (Range) | No federal limit | Detected — no federal limit |
| Copper | Metals | 0.029 mg/L (90th percentile) | 1.3 mg/L (MCLG) | Within the limit |

_Figures are the utility's own published numbers. Generated 2026-05-21 from thewatermap.com._