Drinking water quality · 2024
· Verified
What's in Crofton Odenton, MD tap water
15 contaminants were measured in the Crofton Odenton, 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
- 15
- Over federal limit
- 1
- Approaching the limit
- 1
- Worst contaminant
- Combined Radium
- Service area
- MD
PFAS — EPA UCMR5 (2023–2025)
1 PFAS compound detected in Crofton Odenton, 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
Crofton Odenton, MD's drinking water comes from ground water, drawn from 11 sources.
Source
- CROFTON MEADOWS II WELL 5 AA817314
- CROFTON MEADOWS II WELL 6 AA941174
- CROFTON MEADOWS II WELL 7 AA941172
- CROFTON MEADOWS II WELL 8 AA941173
- + 7 more
Treatment
- CROFTON MEADOWS II WTP
Distribution
Historical readings · EPA Six-Year Review (2012–2019)
11 historically-detected contaminants in Crofton Odenton, 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) |
|---|---|---|---|
HAA5 worst: 2015 | 0.0132 mg/L within | 0.06 mg/L | '14'15'16'17'18'19 |
GROSS ALPHA worst: 2016 | 2.1 pCi/L within | 15 pCi/L | '16'17 |
FLUORIDE worst: 2015 | 0.55 mg/L within | 4 mg/L | '15'16 |
TTHM worst: 2016 | 0.0105 mg/L within | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
BARIUM worst: 2019 | 0.022 mg/L within below national p90 | 2 mg/L | '12'15'16'17'19 |
NITRATE worst: 2016 | 0.059 mg/L within | 10 mg/L | '16 |
DCAA worst: 2014 | 0.0011 mg/L | — | '14'15 |
TCAA worst: 2015 | 0.0095 mg/L | — | '15 |
BROMODICHLOROMETHANE worst: 2012 | 0.0007 mg/L | — | '12'14'15 |
CHLOROFORM worst: 2012 | 0.001 mg/L | — | '12'13'14'15 |
DIBROMOCHLOROMETHANE worst: 2014 | 0.0009 mg/L | — | '14'15 |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 1.6–8 pCi/LRangeCrownsville Zone | 5 pCi/LMCL | At or above the limit |
+By source (5)— Crownsville Zone, Glen Burnie Zone, Central Zone +2 more
| |||
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 0–8.6 pCi/LRangeCrownsville Zone | 50 pCi/LMCL | Within the limit |
+By source (3)— Crownsville Zone, Glen Burnie Zone, Central Zone
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Cadmium | 0–4 ug/LRangeGlen Burnie Zone | 5 ug/LMCL | Approaching the limit |
+By source (4)— Glen Burnie Zone, Crofton/Odenton Zone, Crownsville Zone +1 more
| |||
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 6 ug/L90th percentileCrownsville Zone | 15 ug/LAction level | Within the limit |
+By source (4)— Crownsville Zone, Rose Haven Zone, Glen Burnie Zone +1 more
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.38 mg/L90th percentileCrownsville Zone | 1.3 mg/LAction level | Within the limit |
+By source (8)— Crownsville Zone, Rose Haven Zone, Broad Creek Zone +5 more
| |||
| Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge. | 2.8–3.3 ug/LRangeCentral Zone | 100 ug/LMCL | Within the limit |
+By source (6)— Central Zone, Gibson Island Zone, Glen Burnie Zone +3 more
| |||
| NickelA metal from natural deposits and industrial discharge. | 11–11 ug/LRangeCrofton/Odenton Zone | None set | Detected — no federal limit |
+By source (4)— Crofton/Odenton Zone, Crownsville Zone, Glen Burnie Zone +1 more
| |||
| SodiumA naturally occurring salt component. | 20.5–20.5 mg/LRangeCrownsville Zone | None set | Detected — no federal limit |
+By source (7)— Crownsville Zone, Rose Haven Zone, Crofton/Odenton Zone +4 more
| |||
People also ask about Crofton Odenton, MD's water
+Is Crofton Odenton, MD tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Crofton Odenton, MD water utility lists 1 contaminant at or above the federal limit: Combined Radium. 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 Crofton Odenton, MD tap water?
15 contaminants were measured in Crofton Odenton, MD's 2024 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 12 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 Crofton Odenton, MD tap water?
One contaminant in Crofton Odenton, MD's 2024 report sits at or above the federal limit: Combined Radium (1.6× 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 Crofton Odenton, MD tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is Combined Radium, at 1.6× the federal threshold. It belongs to the radionuclides family of contaminants.
+Are any contaminants in Crofton Odenton, MD tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: Cadmium. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Crofton Odenton, 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 Crofton Odenton, 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.