Government water-quality data from the U.S. Geological Survey shows that iron was detected in all sampled wells in Barnstable County's 112OTSH aquifer, with a median concentration of 284.5 micrograms per liter (µg/L) and a range spanning from 4.1 to 18,700 µg/L. These figures represent results from 26 samples collected across 13 wells over one year. None of these results exceed federal thresholds, confirming there is no health-based violation in the area’s groundwater. This data, however, does not specify the iron content of any individual household’s water, as actual concentrations can vary widely by well.
Understanding "Detected," "Median," and "Range" in Barnstable County Sampling
"Detected" means iron was measurable in every sample taken from this aquifer within Barnstable County, from shallow wells up to three feet deep. "Median" indicates that half of the samples contained iron levels above 284.5 µg/L and half below. "Range" reveals the broad variability in iron concentrations found, with some wells showing very low levels and others much higher. These terms help residents appreciate that iron presence is common here but does not predict precise conditions in their own water source.
If You Have a Large Household, a Seasonal Property, or a Second Home
Household size and usage patterns can influence when iron-related issues become noticeable. Larger households or seasonal homes with intermittent use often experience accumulation and prominence of iron deposits if untreated. Infrequent water use at a seasonal property might allow iron particles to settle and cause rust stains more rapidly when water flow resumes. Considering these factors is important when comparing treatment options for iron and rust management.
If You Notice Iron and Rust Effects Mainly in Specific Fixtures or Appliances
Fixtures such as faucets, showerheads, and toilets, along with appliances like water heaters and washing machines, are usually the first to show signs of iron staining. Iron oxidizes upon exposure to air, forming reddish-brown rust that can discolor surfaces and water. This can also affect taste and clarity. Identifying where and how iron impacts your home helps target appropriate solutions and avoid unnecessary treatment of unaffected areas.
Before Seeking Treatment Advice, Document Your Water Concerns and Usage
Record details such as the appearance and frequency of rust stains, any taste or odor changes, affected fixtures, household size, and water usage patterns. Also note if water testing has been conducted, the testing method, and any laboratory results available. This information clarifies your situation and assists in evaluating treatment options accurately.
If Your Water Is from a Public System Versus a Private Well
Local government sampling applies mainly to private wells in the 112OTSH aquifer and does not reflect municipal water quality, which is regulated and monitored differently. Public water systems in Barnstable County have compliance records ensuring federal health-based standards are met. Private well water requires individual testing to determine iron levels and suitability for treatment. Understanding these differences prevents misinterpretation of regional data as specific to your supply.
In summary, the U.S. Geological Survey data for Barnstable County’s aquifer 112OTSH confirms iron presence in all sampled wells without exceeding federal limits. This data offers context but not a specific diagnosis for any household. Testing your own water is essential to make informed decisions. For addressing iron and rust, the C-Series Orange Iron & Rust Stains Filter ships ready to configure and is designed to reduce iron-related staining and discoloration effectively. Review this information alongside your water profile to choose the right equipment for your home. Further details and data are available from the U.S. Geological Survey monitoring location 413806070322308 water data website.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2011-08-23. 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 Iron in the 112OTSH aquifer (Barnstable County): 26 results from 13 wells, median 284.5 ug/L, range 4.1-18700.0 ug/L; none above any federal threshold