Water delivered to homes in Navajo County often originates from the deep aquifer known as 220NAVJ. Groundwater from this source rises through wells reaching between 554 and 3,737 feet below the surface before entering household plumbing. Understanding the qualities of this groundwater helps households select appropriate treatment options for well rust and hardness impacts.
If you want to know how water looks and feels after treatment
Once treated with the Pentair Well Rust + Hardness System, water quality at the tap changes in several noteworthy ways. The system is designed to reduce hardness minerals, mainly calcium and magnesium compounds, which can cause scale buildup and affect water’s feel. Water treated by this method typically delivers improved softness and decreased staining potential on fixtures and clothes, making daily use more pleasant while maintaining acceptable mineral balance.
If you want to understand what the water quality record means for your household
Government sampling of Navajo County’s 220NAVJ aquifer shows hardness levels measured in 40 samples across 14 wells from 2010 to 2019. The median hardness concentration was 2.935 mg/L, with observed values ranging from 1.23 to 163.0 mg/L. None of these results exceeded federal regulatory thresholds, indicating compliance but not guaranteeing any individual well’s conditions. As a homeowner, this range means your water might vary substantially from others in the area, and your own hardness testing is essential to know what treatment you require.
If you want to know what upkeep the Pentair Well Rust + Hardness System requires
The equipment offers a grain capacity of 32,000 grains, which translates into a maintenance rhythm based on your household water use and hardness levels. Typically, the system’s media will need replenishing or regeneration on a schedule aligned with these factors. Monitoring water quality and treatment performance helps ensure continued smooth operation and water quality benefits over time.
If you want to distinguish well rust and hardness from similar water concerns
Rust and hardness are often confused with other issues such as sediment or staining from other mineral sources. Hardness results from dissolved calcium and magnesium, contributing to scale and hardness deposits, while rust relates to iron oxidation often not quantified in this dataset. These water characteristics require different approaches; understanding their distinct causes helps guide effective treatment choices.
If you want to know how to begin checking your water quality effectively
Start with visual inspections for staining or scaling, then evaluate water hardness with a reliable testing kit. If concerns persist, laboratory analysis can provide detailed constituent levels. Ruling out plumbing materials and system age effects is also practical before deciding treatment. This stepwise approach helps isolate the root cause of well rust and hardness symptoms.
If you want to organize information before seeking treatment advice
- Note the depth of your well and any known history of water quality changes
- Record any staining, scaling, or water feel issues encountered over time
- Obtain recent water test results including hardness, calcium, and magnesium concentrations
- Consider household water usage patterns and peak demands
Having this information ready supports confident discussions about treatment choices, such as considering the Pentair Well Rust + Hardness System.
The water quality record presented here encompasses samples from 14 wells in Navajo County’s 220NAVJ aquifer collected over nearly a decade, documenting hardness levels without exceeding federal limits. This information is sourced from the U.S. Geological Survey groundwater monitoring data for the area.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2019-08-23. 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 Hardness, Ca, Mg in the 220NAVJ aquifer (Navajo County): 40 results from 14 wells, median 2.935 mg/L, range 1.23-163.0 mg/L; none above any federal threshold

