Understanding Tannins in Guilford Area Water and Household Solutions

WSP Whole House Tannin Filter - Yellow Tea-Colored

Buy Now

View full details

What 'Detected', 'Median' and 'Range' Mean in the Sampling Record on This Page

When reviewing a laboratory test report for tannins, it typically includes whether tannins were detected, the median concentration found among samples, and the range showing the minimum to maximum values observed. Detection means the test instrument measured tannins at some level, but it does not necessarily imply any issue or violation of standards. The median gives a midpoint value, helping understand typical water quality in the tested samples. The range highlights variability but does not establish whether any level exceeds guidelines for taste or staining since tannins have no federal monitoring data or enforceable standard in the High Point area.

How Sample Depth, Well Depth or Source Type Changes What a Reader Should Expect

The water source for the City of High Point's public system is surface water, which naturally may carry organic materials like tannins more often than groundwater sources. Surface water flows over soil and vegetation, potentially picking up tannins that cause tea-colored discoloration. Although no direct measurements for tannins exist in this system’s records, knowing the source type helps anticipate possible water characteristics and the need for specific testing or treatment. Depth of sampling points or wells relates to water origin layers, influencing constituent presence and concentrations, which varies from surface water inputs.

What Changes for a Large Household, a Second Home, or a Seasonal Property

Water usage and storage differ among household types, affecting how tannins and their effects manifest. A large household may observe visible staining or coloration more quickly due to higher water volume usage, while a seasonal home might experience buildup after periods of low use. Seasonal or secondary properties connected to the High Point public system share the same source characteristics but might require additional monitoring to confirm water quality after extended inactivity. Testing for tannins in each location remains necessary to understand specific conditions and treatment needs.

How Public-System Records Differ from Private-Well Testing in What They Establish

Government records for the High Point public water system describe the overall quality of the distributed water to 44,043 connections serving 118,662 people, based on source water and routine compliance testing. These records do not provide individual household water concentrations or confirm tannin presence. In contrast, private well testing is the only way to identify actual tannin levels for that property’s water supply. Public data provide context but not guarantees; homeowners should conduct tailored laboratory tests to confirm tannin impact on their water.

The Household or Facility Symptoms That Do and Do Not Point to This Problem

Common household signs possibly linked to tannins include tea-colored or amber staining on fixtures, laundry, and surfaces; unusual water coloration; and occasional taste or odor changes. These effects stem from organic compounds tannins carry, which are primarily aesthetic and do not pose a safety risk. However, these symptoms can also arise from other causes like pipe materials or iron, so testing is essential before attributing them to tannins alone. Symptoms unrelated to tannins include cloudy water, sediment buildup, or corrosion typical of mineral-related issues.

Once confirmed, the Pentair Yellow, Tea-Colored Tannin Water Filter provides a direct-purchase solution designed to reduce tannins effectively. It ships ready to configure for household use, helping restore clear, clean water appearance without relying on complex infrastructure changes.

In summary, the High Point, City of public water system uses surface water sources that may carry tannins but does not report tannin monitoring data. Homeowners should seek laboratory testing if tannins are suspected in their water and consider specialized filtration like the Pentair system for treatment. The EPA’s public water system record offers a broad overview available at the government’s online database for those interested in detailed water system information.

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 HIGH POINT, CITY OF (NC0241020), surface water supply, serving 118662 people: 1 health-based violations of 4 total; lead 90th percentile 0 mg/L