1. What Government Sampling Reveals About Iron in Aquifer 112SRFD
The groundwater in Bristol County, MA, supplied by aquifer 112SRFD, has been monitored by the U.S. Geological Survey through 14 samples collected from 7 different wells between 2010 and 2019. These wells ranged in depth from 20 to 66 feet. Iron was detected in 10 of these samples, with concentrations ranging from as low as 7.6 micrograms per liter (µg/L) up to 3910 µg/L. The median concentration among these samples was 85.4 µg/L. None of the results exceeded federal health thresholds for iron, but the wide range indicates variable iron content across the area. It is important to note these figures describe the area and aquifer, not any individual well or household water supply.
2. Differences Between Public System Records and Private Well Testing
Public water system records often provide a long-term overview of water quality at the distribution system level across a community. These results can show what contaminants are generally present in the source water or treated water provided to customers. However, private well owners generally need to conduct their own testing because water quality can vary significantly by location, well depth, and local geology. For iron and iron bacteria, a specific laboratory test of your own water is necessary to understand your household’s situation precisely.
3. Untreated Iron Bacteria: What Develops Over Time
If iron bacteria are present in well water and left untreated, they can cause several problems typical to households. These bacteria produce a slimy biofilm that can clog pipes and fixtures, reduce water flow, and stain plumbing surfaces with reddish or brown deposits. While not posing a health risk, this biofilm can create maintenance issues and affect water aesthetics. The gradual buildup of slime and deposits may take months or years, but eventually can interfere with normal water use and appliance efficiency.
4. Plumbing Material and Age Impact on Iron Bacteria Effects
Whether iron bacteria cause noticeable issues depends partly on your home's plumbing materials and the age of the pipes. Older systems with iron or steel pipes are more prone to staining and biofilm adhesion. Plastic plumbing may resist buildup better but can still experience deposits in fixtures or water heaters. Knowing your plumbing materials helps identify where iron bacteria effects might first appear and guides appropriate management strategies separate from treating the source water.
5. Understanding a Certified Laboratory Iron Bacteria Test
To assess whether iron bacteria are present and to what extent, a certified laboratory test typically examines water samples for iron concentrations and may include microbiological analyses focusing on iron bacteria species. These tests quantify iron content as micrograms per liter and identify bacteria levels. Reading the lab report involves comparing your results to regional data, such as the USGS findings for Aquifer 112SRFD, and considering the impact on your household. A lab test provides the detailed information you need to choose the right treatment.
6. Keeping Your Water Clear with the Pentair Iron Bacteria & Slime Filter
The Pentair Iron Bacteria & Slime Filter is designed to address iron bacteria issues found in residential water supplies. It removes iron particles and biofilm-forming bacteria, helping to restore clear water free of staining and slime buildup. This system ships ready to configure and requires routine maintenance, which includes periodic cleaning or media replacement to ensure ongoing performance. Following maintenance schedules helps maintain water clarity and protect household plumbing and fixtures.
In summary, government groundwater sampling in Bristol County’s aquifer 112SRFD shows iron is commonly detected but at varying levels without federal health concerns. Private well owners should confirm their own water quality through certified testing to guide treatment decisions. When iron bacteria problems arise, addressing plumbing conditions and choosing appropriate filters like the Pentair system supports long-term water quality and household comfort. For more detail on the data, visit the USGS groundwater monitoring site for Aquifer 112SRFD.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2019-09-18. 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 112SRFD aquifer (Bristol County): 14 results from 7 wells, median 85.4 ug/L, range 7.6-3910.0 ug/L; none above any federal threshold