How many samples and wells stand behind the figures, and what a small sample means?
The U.S. Geological Survey collected uranium measurements from 40 water samples taken from 13 separate wells within the Worcester County aquifer. These tests occurred during a concentrated period from October 11 to November 29, 2018. While these data provide a snapshot of uranium levels in area wells, they do not represent every well in the county. A small number of wells and the limited sampling period mean results show regional tendencies but cannot confirm the uranium level in any individual household water source.
What does a certified laboratory test for uranium report, and how do I read it?
A certified lab measures uranium concentration in micrograms per liter (ug/L) and reports a range and median based on sample results. In Worcester County aquifer samples, uranium was detected in all 40 results, with concentrations ranging from 0.073 to 10.9 ug/L and a median of 1.485 ug/L. None of these measurements exceeded federal health-based limits. Interpretation involves recognizing that 'detected' means the instrument found uranium, not that the water is unsafe. Only a test of your own water by a certified lab can provide precise and actionable information about your household water.
In what order should I rule things out, from the cheapest check to laboratory testing?
Start by observing any unusual taste, staining, or changes in water clarity, which may suggest the presence of dissolved solids or minerals but do not specifically indicate uranium or radium. Next, consult your local water utility or county health department for any available water quality information specific to your area or water source. Finally, to determine uranium and radium levels in your household water, order a lab test targeting these radionuclides. This step is essential because public aquifer data cannot substitute for private well testing for your home.
What changes for a large household, a second home, or a seasonal property?
Households with higher water consumption or multiple residents might require treatment systems with larger capacity. Seasonal or second homes may experience variations in water use and system maintenance needs. When evaluating treatment options, consider a system sized for 32,000 grains capacity to ensure it meets your household’s uranium and radium reduction needs efficiently. Adjusting treatment frequency or capacity based on water usage patterns is important for consistent water quality.
How does seasonal or multi-year variation show in the uranium record?
The USGS sampling occurred only over approximately seven weeks in late 2018, so it reflects a limited timeframe. Seasonal changes in groundwater chemistry, droughts, or recharge events could influence uranium levels in wells at other times of the year or over multiple years. Because the record is short and sample size limited, variation over time is not detailed here. Ongoing or repeated testing is advisable to track any fluctuations affecting your specific water source.
Deciding on the appropriate uranium-radium treatment depends on lab results from your own water supply and household water use. The Fleck Uranium & Radium System ships ready to configure and offers a documented solution capable of addressing uranium and radium at capacities suitable for typical residential needs in Worcester County.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2018-11-29. These figures describe groundwater sampled in this area. They are not a test of any individual private well - only a test of that well can establish its own water.
On record: U.S. Geological Survey sampling of Uranium in the aquifer (Worcester County): 40 results from 13 wells, median 1.485 ug/L, range 0.073-10.9 ug/L; none above any federal threshold
- ✓ 90-Day Money-BackNo restocking fees — return within 90 days.
- ✓ Manufacturer WarrantyGenuine Fleck · Pentair · VIQUA equipment.
- ✓ Free Expert SizingTalk to a specialist and buy the right system the first time.