Fleck Yellow, Tea-Colored Tannin Water Filter

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Local Water Source and Its Impact on Tannin Presence

Residents of Nez Perce County, ID, receive water primarily from the Lewiston City of public water system, which sources its water from surface waters. Surface waters commonly travel through organic-rich environments such as forests and wetlands, where natural organic materials like tannins can leach into the water. While the Lewiston public system has no recorded health-based violations and maintains lead levels well below EPA thresholds, tannins are not routinely monitored or reported in this system's data.

What Federal Sampling Data Reveals and Does Not Reveal

The Lewiston City water system's federal records show no health-based violations, confirming compliance with regulatory standards. However, there is no available federal monitoring data specific to tannins for this system or the broader Nez Perce County area. This absence means that while tannins may exist due to the nature of surface water sources, their concentration and effects on water quality in this system are not established by federal sampling. Detecting tannins or measuring them requires special testing not part of standard public system analyses.

Sample Size and Its Implications for Tannin Assessment

EPA data for the Lewiston system covers broad water quality measures but does not include tannin samples. Without multiple samples focused on tannins from individual wells or the distribution system, it is impossible to characterize their levels or variability. The lack of tannin-specific sampling means that household water quality related to tannins must be determined through private testing. Water conditions can vary between homes due to plumbing, local environment, and other factors not reflected in municipal data.

Household Indicators Related to Tannin Presence

Households experiencing tannins may notice tea-colored or yellowish water discoloration, staining of fixtures and laundry, or a distinct organic taste or smell. However, these symptoms are not exclusive to tannins and may result from other substances sometimes found in water. Since the current Lewiston system data does not include tannin levels, residents should isolate symptoms by testing for tannins specifically before attributing household water issues to them. Symptoms alone do not confirm tannin presence or concentration.

Change in Water Quality with the Fleck Yellow, Tea-Colored Tannin Water Filter

When households in Nez Perce County choose to address tannin discoloration and related water appearance issues, the Fleck Yellow, Tea-Colored Tannin Water Filter is a documented solution. This Fleck System ships ready to configure for residential use and is designed to reduce tannin concentrations affecting water color and staining potential. Treated water typically shows marked improvement in clarity and appearance at the tap, contributing to enhanced household water aesthetics and reduced maintenance on fixtures and laundry.

Distinguishing Tannin Issues from Similar Water Concerns

Tannin discoloration is often confused with iron or manganese staining or with other organic matter-related discoloration. Unlike iron-related problems, tannins do not cause reddish or rusty stains but rather produce yellow to brown hues resembling tea color. Since tannins are organic compounds, they also differ from sediment or hardness issues that affect water texture or scale formation. Proper testing can differentiate tannins from these other constituents, guiding effective treatment choices.

What Residents Should Not Infer from Area Water Data

Residents should not assume that municipal water data for Nez Perce County directly reflects their individual home's water quality concerning tannins. Federal records confirm the Lewiston City water system has no health-based violations and that lead levels are exceptionally low, indicating overall compliance with safety standards. However, the absence of tannin monitoring data means no conclusion about tannin concentration or impact can be drawn from these records alone. Private testing is necessary to identify tannins if household discoloration or related symptoms are present.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2025-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA SDWIS record for LEWISTON CITY OF (ID2350014), surface water supply, serving 15001 people: 0 health-based violations of 42 total; lead 90th percentile 0.001 mg/L