Noticing a sulfur smell, often described as rotten-egg odor, at a household tap is a common sign that sulfide compounds may be present in your water supply. In Rockingham County, New Hampshire, this concern relates specifically to the local groundwater drawn from aquifer 112ICCC.
1. Seasonal and Multi-Year Sulfide Variation in Rockingham County
U.S. Geological Survey monitoring from November 2014 through May 2018 recorded sulfide levels in wells near 83 feet deep within this aquifer. During that span, six of seven samples detected sulfide, with concentration values ranging from none detected up to 0.07 milligrams per liter (mg/L). The median sulfide measurement was zero. These data indicate low and variable sulfide presence without any federal limit being exceeded.
2. Assessing Treatment Capacity for Your Household Water Usage
When deciding on water treatment for sulfur smell, match the system's capability to your daily water needs. Choose equipment designed to handle your household’s consumption volume while effectively reducing sulfide odors. Systems rated for larger flow volumes offer more thorough treatment for bigger families or higher water use.
3. Long-Term Effects of Untreated Sulfur Smell
Left unaddressed, hydrogen sulfide responsible for sulfur odor may stain fixtures and laundry, cause metallic or bitter taste, and potentially corrode metal plumbing components. These conditions worsen over time, affecting comfort and household maintenance.
4. Sample Size and Well Representation Behind Sulfide Data
The regional sulfide data for aquifer 112ICCC rely on seven samples from a single well. This small number limits broad conclusions but does offer a snapshot indicative of the aquifer’s typical range near the well depth sampled. Variability between wells and over time can occur.
5. Stepwise Approach to Identifying Sulfur Smell Sources
- Begin with simple checks: inspect and clean aerators, faucet screens, and water heaters as these can harbor bacteria that cause sulfur odor.
- If odors persist, laboratory testing of your well or source water for sulfide concentration provides definitive data specific to your household.
- Evaluate the presence of sulfur-reducing bacteria or other organic sources contributing to the smell.
6. Influence of Sample and Well Depth on Expected Sulfide Levels
The sulfide data sampled at 83 feet deep reflect conditions typical for that depth in the aquifer. Wells of significantly different depths may see varying sulfide levels due to geochemical changes with depth. Shallow wells might have different profiles than those deeper in the same aquifer.
To address sulfur smell effectively, consider direct-purchase water treatment options configured to your household’s scale. The Fleck Rotten-Egg Sulfur Smell Filter is designed specifically to reduce hydrogen sulfide and related odors in residential systems.
These observations are based on U.S. Geological Survey groundwater sampling for Rockingham County, NH, aquifer 112ICCC, covering seven samples from one well over the 2014-2018 period. For more detailed regional water quality information, consult the USGS monitoring location 425311070535801.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2018-05-15. 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 112ICCC aquifer (Rockingham County): 7 results from 1 wells, median 0.0 mg/L, range 0.0-0.07 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.