Drinking water quality · 2024
· Verified
What's in City of Annapolis, MD tap water
8 contaminants were measured in the City of Annapolis, MD water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 8
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- MD
Where your water comes from · EPA SDWIS
City of Annapolis, MD's drinking water comes from ground water, drawn from 8 sources.
Source
- ANNAPOLIS WELL 2 NOPERMIT
- ANNAPOLIS WELL 5 AA001628
- ANNAPOLIS WELL 6 AA001627
- ANNAPOLIS WELL 7 AA017076
- + 4 more
Treatment
- ANNAPOLIS FILTER PLANT
Distribution
Also buys water from BROAD CREEK.
Historical readings · EPA Six-Year Review (2012–2019)
8 historically-detected contaminants in City of Annapolis, MD
Every U.S. public water system reports compliance-monitoring data to EPA. The Six-Year Review releases the 2012–2019 window as a single dataset — here's what your system reported, year by year. Values shown are the highest detection per analyte per year, compared to the federal MCL.
| Contaminant | Worst detection | EPA limit | Years (2012–2019) |
|---|---|---|---|
FLUORIDE worst: 2016 | 0.7 mg/L within | 4 mg/L | '14'16'17 |
TTHM worst: 2012 | 0.0106 mg/L within | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
HAA5 worst: 2015 | 0.00143 mg/L within | 0.06 mg/L | '12'13'14'15'17 |
BARIUM worst: 2014 | 0.0179 mg/L within below national p90 | 2 mg/L | '14'17 |
DCAA worst: 2012 | 0.0012 mg/L | — | '12'13'14'15 |
BROMODICHLOROMETHANE worst: 2012 | 0.0034 mg/L | — | '12'13'14'15'16 |
CHLOROFORM worst: 2012 | 0.00587 mg/L | — | '12'13'14'15'16 |
DIBROMOCHLOROMETHANE worst: 2012 | 0.0023 mg/L | — | '12'13'14'15'16 |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 1 mg/LAverageSystem-wide | 4 mg/LMRDL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | Not detected mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileAt the tap | 15 ug/LAction level | Within the limit |
| LithiumA naturally occurring element found in some groundwater. | 8.4 ug/LReported levelSystem-wide | None set | Detected — no federal limit |
People also ask about City of Annapolis, MD's water
+Is City of Annapolis, MD tap water safe to drink in 2024?
Every one of the 8 contaminants measured in City of Annapolis, MD's 2024 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 City of Annapolis, MD tap water?
8 contaminants were measured in City of Annapolis, MD's 2024 Consumer Confidence Report, spanning metals, disinfection byproducts, and disinfectants. 7 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 City of Annapolis, 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 City of Annapolis, 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.