Are you noticing a sulfur smell in your household water? This odor often results from sulfide compounds, commonly called "rotten egg" smell. Residents in Citrus County, FL, drawing water from the 112NRSD aquifer, may wonder how severe such a problem could be based on local water data.
If Your Water Test Shows Sulfide Detected, What Does That Indicate?
Government groundwater samples from Citrus County's 112NRSD aquifer, collected in 2011-2012 from several wells 9 to 18 feet deep, found sulfide present in most samples. The median sulfide concentration was measured at 0.16 mg/L, with a range from 0.13 to 0.64 mg/L. The term "detected" here means instruments identified sulfide at those levels; it is not a legal or safety violation. These numbers describe the area's typical groundwater but cannot determine your specific well's sulfide level without your own test.
If You Are Not a Household but a Commercial Operator, What Other Questions Arise?
This page is focused on household concerns. Commercial or industrial uses often require additional scrutiny due to higher volumes and varied applications. They typically need more frequent and detailed testing, and a broader assessment of sulfide impacts beyond odor. Households generally focus on odor perception and occasional water testing for sulfide presence.
If Only Four Samples From Three Wells Represent the Data, How Reliable Are These Figures?
With four samples taken from three separate shallow wells in the area, the sample size is small but provides a preliminary snapshot of sulfide presence in the 112NRSD aquifer. The small dataset suggests that sulfide occurs at low levels across these wells but does not capture long-term or seasonal variations. Homeowners should conduct individual water tests to understand their own water conditions accurately.
If Sampling Wells Were 9 to 18 Feet Deep, How Does That Affect What You Should Expect?
Sulfide measurements come from relatively shallow wells. Deeper wells, or those with different construction, may have different sulfide levels due to varying geological conditions. The data does not cover all well types or depths in Citrus County, so your water may differ in sulfide concentration or odor presence, reinforcing the need for specific water testing.
If All Measured Sulfide Levels Are Below Federal Thresholds, What Does That Mean for Your Household?
The samples showed sulfide levels below any federal standards for safety or health. This means the measured sulfide concentrations in the sampled wells do not represent a regulatory violation or a confirmed health risk. However, sulfide concentrations influence water taste and odor, which can be a significant concern for households. Addressing sulfur smell often requires targeted filtration technology rather than regulatory action.
For households noticing a sulfur odor, direct water testing is essential to confirm the sulfide level present. Treatment options such as the Autotrol Rotten-Egg Sulfur Smell Filter ship ready to configure and can reduce sulfur odors effectively in residential water systems. This equipment specifically targets sulfide-related odors, improving water smell without complicated setups.
These observations come from U.S. Geological Survey groundwater data sampling wells in Citrus County's 112NRSD aquifer between late 2011 and late 2012. For more detailed regional water quality information, visit the official USGS monitoring location page.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2012-12-12. 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 Sulfide in the 112NRSD aquifer (Citrus County): 4 results from 3 wells, median 0.16 mg/L, range 0.13-0.64 mg/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.

