Drinking water quality · 2024
· Verified
What's in Ewell Waterworks Cooperative, MD tap water
5 contaminants were measured in the Ewell Waterworks Cooperative, 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
- 5
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Copper
- Service area
- MD
Where your water comes from · EPA SDWIS
Ewell Waterworks Cooperative, MD's drinking water comes from ground water, drawn from 1 source.
Source
- WELL 3 SO940275
Treatment
Distribution
Historical readings · EPA Six-Year Review (2012–2019)
1 contaminant historically over EPA limits in Ewell Waterworks Cooperative, 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: 2012 | 6.7 mrem/yr 1.7× | 4 mrem/yr | '12'18 |
FLUORIDE worst: 2018 | 1.72 mg/L within | 4 mg/L | '12'15'16'18 |
GROSS ALPHA worst: 2012 | 2.8 pCi/L within | 15 pCi/L | '12 |
RADIUM 226 228 worst: 2012 | 0.1 pCi/L within below national p90 | 5 pCi/L | '12 |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 5 mg/L90th percentileAt the tap | 1.3 mg/LMCLG | At or above the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.029 mg/LReported levelSystem-wide | 2 mg/LMCLG | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0–5 ug/LReported levelSystem-wide | 0 ug/LMCLG | Detected — no federal limit |
People also ask about Ewell Waterworks Cooperative, MD's water
+Is Ewell Waterworks Cooperative, MD tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Ewell Waterworks Cooperative, 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 Ewell Waterworks Cooperative, MD tap water?
5 contaminants were measured in Ewell Waterworks Cooperative, MD's 2024 Consumer Confidence Report, spanning metals, inorganic chemicals, and radionuclides. 5 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 Ewell Waterworks Cooperative, MD tap water?
One contaminant in Ewell Waterworks Cooperative, MD's 2024 report sits at or above the federal limit: Copper (3.8× 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 Ewell Waterworks Cooperative, MD tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is Copper, at 3.8× 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 Ewell Waterworks Cooperative, 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 Ewell Waterworks Cooperative, 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.