Pentair Iron + Hard Water (Well) System

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Reading Bartholomew County’s Iron Data: Median and Range Explained

The U.S. Geological Survey sampled groundwater from aquifer 112PLSC in Bartholomew County with 8 measurements taken from 2 wells at depths between 49 and 111 feet during 2023. Reported iron concentrations ranged from 434 to 4870 micrograms per liter, with a median value of 2915 micrograms per liter.

What does this mean for a homeowner? The median represents the midpoint value of these samples, giving a general sense of iron levels found in the area’s groundwater. The range indicates variability, from low hundreds to nearly five thousand micrograms per liter. None of these values exceeded any federal standards, indicating no recorded safety violations in the sampled wells, but iron at these levels can still affect taste, staining, and hardness problems in home water.

Comparing Bartholomew County’s Iron Record with a Neighboring County

When looking at adjacent counties’ water data, differences in iron concentrations often appear. However, caution is essential: these data reflect regional trends, not individual wells. Geological and hydrological factors can cause iron levels to vary greatly from one location to another within a county or between counties. This means a neighboring county’s lower or higher median iron result doesn't directly predict your home’s water condition. Using area-wide data primarily guides decisions about whether testing and treatment might be worthwhile.

Adjusting Expectations for Larger or Seasonal Households

Households with higher water usage, multi-family living, or second homes that are unoccupied for part of the year have different water demand patterns. Higher daily water consumption requires treatment systems with proportionally greater capacity to handle both iron and hardness without frequent regeneration or service cycles. Seasonal homes may experience fluctuating water conditions — mineral concentrations can shift during dry or wet seasons due to aquifer recharge changes.

How Seasonal and Multi-Year Variation Appears in the Record

The USGS sampling dates span May to November 2023, covering part of spring, summer, and fall. The observed range in iron during this period suggests that iron concentration can fluctuate within a single year. Multi-year records, if available, would offer deeper insight into long-term trends, but current data show variability is natural and sampling time affects readings. This highlights the importance of periodic water testing to track changes over time for well owners.

Judging Treatment Capacity Based on Daily Household Demand

The documented Pentair Iron + Hard Water (Well) System is rated with a capacity of 32,000 grains. Grain capacity refers to the total amount of hardness and iron the system can remove before it requires regeneration. Evaluating if this capacity fits your household depends on your typical water use and mineral levels.

• Estimate your daily water consumption in gallons.
• Test iron and hardness levels from your own water supply to determine grains per gallon.
• Multiply daily gallons by grains per gallon to calculate daily load.

If your daily load is well below the system’s capacity, it can operate efficiently and reliably for your needs. For households with heavy usage or higher iron/hardness, a larger or additional system might be necessary to maintain performance.

What Test to Order and Setting Treatment Goals

A certified laboratory test specific to your household water supply, measuring both iron and hardness, is essential to establish your actual water conditions. Government area data, while informative, cannot substitute for your own well analysis. The test report will quantify your iron concentration and hardness level, providing the basis to select and size a treatment system effectively.

The Pentair Iron + Hard Water (Well) System ships ready to configure, tailored to remove iron and soften water based on your household’s specific levels and usage. Starting with precise data from your water testing ensures optimal equipment choice and treatment results for your home in Bartholomew County.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2023-11-13. 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 112PLSC aquifer (Bartholomew County): 8 results from 2 wells, median 2915.0 ug/L, range 434.0-4870.0 ug/L; none above any federal threshold