Drinking water quality · 2023
· Verified
What's in Baltimore, MD tap water
3 contaminants were measured in the Baltimore, MD water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 3
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- MD
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.029 mg/L90th percentileAt the tap | 1.3 mg/LMCLG | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 9.3–39.3 ug/LRangeSystem-wide | None set | Detected — no federal limit |
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 23.6–91.2 ug/LRangeSystem-wide | None set | Detected — no federal limit |
People also ask about Baltimore, MD's water
+Is Baltimore, MD tap water safe to drink in 2023?
Every one of the 3 contaminants measured in Baltimore, MD's 2023 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Baltimore, MD tap water?
3 contaminants were measured in Baltimore, MD's 2023 Consumer Confidence Report, spanning disinfection byproducts and metals. 1 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Baltimore, MD's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Baltimore, MD's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2023 report; a new report will replace it once the utility publishes its next annual update.