Drinking water quality · 2024
· Verified
What's in Town of Denton, MD tap water
10 contaminants were measured in the Town of Denton, 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
- 10
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Copper
- Service area
- MD
PFAS — EPA UCMR5 (2023–2025)
1 PFAS compound detected in Town of Denton, MD
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
Lithium
● Detected (no federal limit)below national p90 (76.59999999999991 mg/L across detecting U.S. systems)
Where your water comes from · EPA SDWIS
Town of Denton, MD's drinking water comes from ground water, drawn from 3 sources.
Source
- DENTON 3 CO710034
- DENTON 5 CO941450
- WELL 6 CO951231
Treatment
- WTP - WELL 3
- WTP - WELL 5
- WELL 6
Distribution
Historical readings · EPA Six-Year Review (2012–2019)
1 contaminant historically over EPA limits in Town of Denton, 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) |
|---|---|---|---|
GROSS BETA worst: 2015 | 8.2 mrem/yr 2.0× | 4 mrem/yr | '14'15 |
GROSS ALPHA worst: 2014 | 11.4 pCi/L within | 15 pCi/L | '14'15'19 |
ARSENIC worst: 2017 | 0.005 mg/L within below national p90 | 0.01 mg/L | '12'13'15'16'17'18'19 |
TTHM worst: 2013 | 0.03369 mg/L within | 0.08 mg/L | '13'14'15'16'17'18'19 |
FLUORIDE worst: 2018 | 1.5 mg/L within | 4 mg/L | '12'13'15'16'17'18'19 |
HAA5 worst: 2019 | 0.0154 mg/L within | 0.06 mg/L | '13'14'15'16'17'18'19 |
RADIUM 226 228 worst: 2015 | 0.8 pCi/L within below national p90 | 5 pCi/L | '14'15 |
CHROMIUM worst: 2015 | 0.0145 mg/L within above national p90 | 0.1 mg/L | '12'15'18 |
SELENIUM worst: 2012 | 0.0026000000000000003 mg/L within | 0.05 mg/L | '12 |
THALLIUM worst: 2012 | 0.00003 mg/L within | 0.002 mg/L | '12 |
BARIUM worst: 2012 | 0.00012 mg/L within below national p90 | 2 mg/L | '12 |
DCAA worst: 2013 | 0.0032 mg/L | — | '13'14'15 |
TCAA worst: 2013 | 0.0027 mg/L | — | '13'14'15 |
BROMODICHLOROMETHANE worst: 2013 | 0.004900000000000001 mg/L | — | '13'14'15'17 |
CHLOROFORM worst: 2013 | 0.027899999999999998 mg/L | — | '13'14'15'17'19 |
DIBROMOCHLOROMETHANE worst: 2013 | 0.0008900000000000001 mg/L | — | '13'15'17 |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 1238 mg/L90th percentileAt the tap | 1.3 mg/LAction level | At or above the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0 ug/L90th percentileAt the tap | 15 ug/LAction level | Within the limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 3 mg/LReported levelSystem-wide | 4 mg/LMCLG | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 1.3 pCi/LReported levelSystem-wide | 0 pCi/LMCLG | Detected — no federal limit |
People also ask about Town of Denton, MD's water
+Is Town of Denton, MD tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Town of Denton, MD water utility lists 1 contaminant at or above the federal limit: Copper. 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 Town of Denton, MD tap water?
10 contaminants were measured in Town of Denton, MD's 2024 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 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.
+Which contaminants exceed federal limits in Town of Denton, MD tap water?
One contaminant in Town of Denton, MD's 2024 report sits at or above the federal limit: Copper (952.3× 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 Town of Denton, MD tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is Copper, at 952.3× the federal threshold. It belongs to the metals family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Town of Denton, 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 Town of Denton, 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.