Drinking water quality · 2024
· Verified
What's in Calverton School, MD tap water
8 contaminants were measured in the Calverton School, 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
Calverton School, MD's drinking water comes from ground water, drawn from 2 sources.
Source
- CALVERTON SCHOOL (UPPER SCHOOL CA880380
- DORM WELL - WELL 03_ CA120467
Treatment
- WTP UPPER SCHOOL WELL
- DORM WTP-WELL 3
Distribution
Historical readings · EPA Six-Year Review (2012–2019)
12 historically-detected contaminants in Calverton School, 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) |
|---|---|---|---|
ARSENIC worst: 2012 | 0.005 mg/L within below national p90 | 0.01 mg/L | '12'13'16 |
HAA5 worst: 2019 | 0.0119 mg/L within | 0.06 mg/L | '14'18'19 |
NITRATE worst: 2013 | 1.1 mg/L within | 10 mg/L | '13 |
TTHM worst: 2018 | 0.0057 mg/L within | 0.08 mg/L | '14'16'18'19 |
FLUORIDE worst: 2017 | 0.2 mg/L within | 4 mg/L | '17 |
CHROMIUM worst: 2017 | 0.003 mg/L within below national p90 | 0.1 mg/L | '17 |
BARIUM worst: 2017 | 0.002 mg/L within below national p90 | 2 mg/L | '17 |
DCAA worst: 2014 | 0.004 mg/L | — | '14 |
TCAA worst: 2014 | 0.0014 mg/L | — | '14 |
BROMODICHLOROMETHANE worst: 2014 | 0.0005 mg/L | — | '14'18 |
CHLOROFORM worst: 2014 | 0.0043 mg/L | — | '14'18 |
DIBROMOCHLOROMETHANE worst: 2018 | 0.00283 mg/L | — | '18 |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.006 mg/L90th percentile90TH Percentile: 90% of your water utility levels were less than | 0.01 mg/LAction level | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.104 mg/L90th percentile90TH Percentile: 90% of your water utility levels were less than | 1.3 mg/LAction level | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 19.1 pCi/LMaximumHighe st Value | 50 pCi/LMCL | Within the limit |
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.8 pCi/LMaximumHighe st Value | 5 pCi/LMCL | Within the limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.3 mg/LRunning annual avgSystem-wide | 4 mg/LMRDL | Within the limit |
People also ask about Calverton School, MD's water
+Is Calverton School, MD tap water safe to drink in 2024?
Every one of the 8 contaminants measured in Calverton School, 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 Calverton School, MD tap water?
8 contaminants were measured in Calverton School, MD's 2024 Consumer Confidence Report, spanning disinfection byproducts, metals, and radionuclides. 8 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 Calverton School, 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 Calverton School, 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.