Drinking water quality · 2024
· Verified
What's in Cedar Ridge, MD tap water
10 contaminants were measured in the Cedar Ridge, 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
- Fluoride
- Service area
- MD
Where your water comes from · EPA SDWIS
Cedar Ridge, MD's drinking water comes from ground water under the influence of surface water, drawn from 4 sources.
Source
- WELL 1 (UPPER FRONT) WA730982 GU
- WELL 2 (UPPER REAR) WA650189 GU
- WELL 3 (SHOP WELL) WA880299 GU
- WELL 4 (ADVENTURES WELL) WA880982
Treatment
- CEDAR RIDGE WTP
Distribution
Historical readings · EPA Six-Year Review (2012–2019)
1 contaminant historically over EPA limits in Cedar Ridge, 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) |
|---|---|---|---|
TTHM worst: 2013 | 0.1 mg/L 1.3× | 0.08 mg/L | '12'13'15'16'17'18'19 |
HAA5 worst: 2012 | 0.042 mg/L within | 0.06 mg/L | '12'13'15'16'17'18'19 |
NITRATE worst: 2019 | 6.2 mg/L within | 10 mg/L | '12'13'14'15'16'17'18'19 |
NITRATE NITRITE worst: 2019 | 6.2 mg/L within | 10 mg/L | '13'14'15'16'17'18'19 |
RADIUM 226 228 worst: 2017 | 1.6 pCi/L within below national p90 | 5 pCi/L | '17 |
FLUORIDE worst: 2019 | 0.58 mg/L within | 4 mg/L | '13'16'19 |
GROSS ALPHA worst: 2017 | 2 pCi/L within | 15 pCi/L | '17 |
DALAPON worst: 2012 | 0.0184 ug/L within 4.3× the national p90 | 200 ug/L | '12 |
DCAA worst: 2012 | 0.0177 mg/L | — | '12'13 |
MCAA worst: 2012 | 0.00898 mg/L | — | '12'13 |
TCAA worst: 2012 | 0.0152 mg/L | — | '12'13 |
BROMODICHLOROMETHANE worst: 2012 | 0.0133 mg/L | — | '12'13'16'19 |
BROMOFORM worst: 2019 | 0.00055 mg/L | — | '19 |
CHLOROFORM worst: 2012 | 0.0739 mg/L | — | '12'13'16'19 |
DIBROMOCHLOROMETHANE worst: 2012 | 0.00169 mg/L | — | '12'13'16'19 |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 1.6 mg/LReported levelSystem-wide | 4 mg/LMCLG | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.34 mg/L90th percentileAt the tap | 1.3 mg/LMCLG | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.043–0.043 mg/LRangeSystem-wide | 2 mg/LMCLG | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.002 ug/L90th percentileAt the tap | 0 ug/LMCLG | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | 0.00692 mg/LReported levelSystem-wide | 1 mg/LMCLG | Within the limit |
People also ask about Cedar Ridge, MD's water
+Is Cedar Ridge, MD tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Cedar Ridge, MD water utility lists 1 contaminant at or above the federal limit: Fluoride. 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 Cedar Ridge, MD tap water?
10 contaminants were measured in Cedar Ridge, MD's 2024 Consumer Confidence Report, spanning inorganic chemicals, metals, and disinfection byproducts. 10 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 Cedar Ridge, MD tap water?
One contaminant in Cedar Ridge, MD's 2024 report sits at or above the federal limit: Fluoride (1.0× 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 Cedar Ridge, MD tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is Fluoride, at 1.0× the federal threshold. It belongs to the inorganic chemicals family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Cedar Ridge, 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 Cedar Ridge, 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.