Fleck Yellow, Tea-Colored Tannin Water Filter

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What would a typical water test report say about tannins here?

When testing for tannins, a laboratory report usually lists concentrations in parts per million (ppm) or milligrams per liter (mg/L). However, for the citizens served by CITIZENS WATER in Indianapolis, Marion County, there is no federal or state monitoring data available that includes tannin measurements. This means typical public water quality reports do not provide numbers for tannins, though the water source is surface water which can sometimes carry organic materials contributing to tea-colored water effects.

How can I compare Marion County's tannin record with a neighboring county's without overreading the data?

Because tannins are not measured or reported in the EPA's Safe Drinking Water Information System for this public water system, comparing Marion County to an adjacent county is not straightforward. Absence of data does not mean absence of tannins; it means tannins have not been surveyed in systematic government testing. Thus, comparing such records risks overinterpreting limited data. Differences in water source types and local watershed conditions are factors outside standard public testing and can influence tannin presence without being captured in official records.

What does a certified laboratory test for tannins report, and how should I interpret it?

If you want to know tannin levels in your household water specifically, you should have a sample tested by a certified laboratory that performs tannin analysis. Such tests typically report tannins in mg/L. Because tannins can stain fixtures and cause tea-colored water, a reported value can guide treatment decisions. Remember, this test reflects your water only and cannot be assumed from municipal system data. Understanding the numeric result will help determine if a specialized filter like the Fleck Yellow, Tea-Colored Tannin Water Filter might be beneficial.

How do sample depth, well depth, or source type influence tannin expectations?

Since the public water system serving Indianapolis uses surface water sources, tannins or related organic substances may occur more frequently compared to deep well sources. Surface water naturally picks up organic compounds from soil and vegetation runoff. If you rely on a private well, factors like well depth and surrounding soil composition strongly affect tannin concentrations. In general, shallow and surface-contact wells tend to have higher tannin potentials than deep wells.

How many samples and wells underlie the water quality figures, and what does a small sample size mean?

The EPA's public water system record for CITIZENS WATER covers over 350,000 connections serving more than 880,000 people but does not include tannin sampling. The absence of tannin data is not due to sample size but rather it is not a routinely monitored parameter at the municipal level. When dealing with custom tannin testing through a laboratory, the number of samples impacts the reliability of conclusions for your household. Multiple samples over time paint a more accurate picture of tannin presence and variability.

Summary: This page explored what government data for Marion County reveals about tannins—or rather, what it does not show due to lack of tannin monitoring. Understanding your own water requires specific laboratory testing since tannins are not tracked in the public system. If tannins are confirmed, a Fleck Yellow, Tea-Colored Tannin Water Filter ships ready to configure for residential use to address tannin-related discoloration and staining concerns efficiently.

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 CITIZENS WATER - INDIANAPOLIS (IN5249004), surface water supply, serving 880345 people: 0 health-based violations of 1 total; lead 90th percentile 0.00467 mg/L