When your household water treatment equipment fails and you notice a metallic taste in your water, it's natural to wonder what the regional water data can reveal about your situation. In Navajo County, Arizona, groundwater sampled from the 220NAVJ aquifer provides a broader picture that can guide your approach, though it cannot specify the exact condition of your own well or tap water.
How to Judge Treatment Capacity Against Your Household’s Daily Demand
Before choosing any water treatment solution, it’s important to evaluate how much treated water your household uses daily. Treatment systems must handle your peak daily consumption to be effective. If your previous equipment failed, consider whether it was sized appropriately for your household’s needs. Assessing your average daily water use over several days offers a realistic gauge for sizing new equipment that ships ready to configure.
Understanding the Maintenance Rhythm of a Fleck System
The Fleck Metallic-Tasting Water Filter operates with straightforward upkeep requirements. It relies on periodic recharge cycles designed to maintain performance without requiring complex procedures. This regular maintenance rhythm ensures consistent removal of metallic tastes, helping restore water quality after your prior system’s failure.
How the Fleck System Addresses Metallic Taste
The Fleck system targets the removal or neutralization of constituents linked to metallic taste. While Navajo County groundwater data shows iron detected in about half of the sampled wells from 2010 to 2019, no measurements exceeded federal standards. This system reduces such metallic minerals to improve taste and water clarity, contributing to a more pleasant water experience without relying on guesses about your specific well.
Ruling Out Causes Step-by-Step: From Simple Checks to Laboratory Tests
Start by evaluating common, cost-free issues: check your pipes and fixtures for corrosion or buildup that might cause metallic taste. Next, review any changes in water sources or treatment methods. If the taste persists, a certified laboratory water test will identify the exact constituents in your household water. This targeted approach avoids unnecessary expense and guides effective treatment.
What the Measured Iron Range Means Against Federal Standards and What It Does Not
The U.S. Geological Survey sampled 14 wells up to 3,737 feet deep in Navajo County’s 220NAVJ aquifer, finding iron levels ranging from 4.3 to 30.6 micrograms per liter, with a median of 7.75 micrograms per liter. Although iron was detected in 18 of 40 samples, none surpassed federal thresholds. Detection does not imply safety concerns but highlights iron’s presence that can influence taste and appearance. This regional data does not define the condition of your well water—only direct testing can do that.
In summary, this page outlined how local groundwater data guides understanding of metallic taste issues but cannot substitute for household-specific testing. It reviewed how to size treatment, maintain the Fleck Metallic-Tasting Water Filter, and systematically identify the cause of metallic taste to support your water quality decisions after equipment failure.
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 Iron in the 220NAVJ aquifer (Navajo County): 40 results from 14 wells, median 7.75 ug/L, range 4.3-30.6 ug/L; none above any federal threshold

