Drinking water quality · 2024
· Verified
What's in Metropolitan of Baltimore, MD tap water
4 contaminants were measured in the Metropolitan of Baltimore, MD water system's 2024 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2024
- Contaminants measured
- 4
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- TTHM
- Service area
- MD
Where your water comes from · EPA SDWIS
Metropolitan of Baltimore, MD buys its drinking water from CITY OF BALTIMORE.
Source
Treatment
- TP01 6101 LOCH RAVEN
- TP02, 6201 LOCH RAVEN
- TP03 1700 MERIDENE
Distribution
Also buys water from CITY OF BALTIMORE.
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| 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 | At or above the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 9.3–39.3 ug/LRangeSystem-wide | None set | Within the limit |
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 |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0 mg/L90th percentileAt the tap | 0.015 mg/LAction level | None detected |
People also ask about Metropolitan of Baltimore, MD's water
+Is Metropolitan of Baltimore, MD tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Metropolitan of Baltimore, MD water utility lists 1 contaminant at or above the federal limit: TTHM. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Metropolitan of Baltimore, MD tap water?
4 contaminants were measured in Metropolitan of Baltimore, MD's 2024 Consumer Confidence Report, spanning disinfection byproducts and metals. 2 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Metropolitan of Baltimore, MD tap water?
One contaminant in Metropolitan of Baltimore, MD's 2024 report sits at or above the federal limit: TTHM (1.1× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Metropolitan of Baltimore, MD tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is TTHM, at 1.1× the federal threshold. It belongs to the disinfection byproducts family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Metropolitan of Baltimore, MD's 2024 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 Metropolitan of 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 2024 report; a new report will replace it once the utility publishes its next annual update.