Tannins in Erie County Water: What Buffalo Residents Should Know About Their Household Supply

Adjustments for Larger or Seasonal Households

Increased Water Use Can Reveal Tannin Effects More Clearly

In Buffalo, larger households or those using water seasonally may notice tannin discoloration or staining more noticeably, as the volume and timing of water use changes how tannins interact with plumbing.

Storage and Infrequent Use Can Intensify Tea-Colored Water

Second homes or seasonal properties with water left standing in pipes for extended periods may see more pronounced tea-coloration, a common sign of tannins.

Differences Between Public System Records and Private Well Tests

Buffalo’s Water Authority Uses Surface Water as Source

The Buffalo Water Authority draws from surface water sources; tannins are naturally more common in surface waters from decaying vegetation, but no federal data reports tannin levels here.

Public System Data Covers Overall Supply, Not Individual Homes

The EPA data for Buffalo’s system reports no health-based violations but does not measure tannins; only a private test of your household’s water can detect tannin concentration.

Sample Size and What it Means for Tannin Understanding

No Federal Tannin Monitoring Exists for This System

Since no federal or state agency monitors tannins in Buffalo’s system, existing records cannot indicate how much tannin might be present in your water.

Small Sample Size Limits Regional Conclusions for Tannins

Absence of tannin data means regional tendencies can only be inferred from the surface water source type, not confirmed by sample counts or test ranges.

Water Changes at the Tap Using the Documented Technology

The C-Series Yellow, Tea-Colored Tannin Water Filter Ships Ready to Configure

This system targets typical tea-colored tannins associated with surface water sources, reducing color and staining commonly linked to tannins.

Treated Water Typically Shows Reduced Yellow or Brown Tint

After treatment, water appearance improves with less discoloration, making glassware and fixtures look cleaner and minimizing staining.

Recognizing Household Signs That May or May Not Indicate Tannins

Tea-Coloration and Yellow-Brown Stains Suggest Tannins

Discoloration on faucets or clothes that looks like tea or rust can indicate tannins rather than metals or other substances.

Clear Water or Metallic Taste Usually Point Away from Tannins

Water free of color and without a tea-like taste or odor is less likely to have tannin issues; testing is still needed to confirm.

Estimating Treatment Capacity Relative to Household Demand

Household Size and Daily Water Use Affect Filter Sizing

The C-Series system’s capacity should align with daily household consumption to ensure effective tannin removal without overburdening the filter.

Regular Monitoring Helps Match Capacity to Changing Water Needs

Tracking intake volume over time supports proper equipment configuration and timing for filter maintenance.

EPA public water system records cover Buffalo's surface water source serving approximately 276,000 people across 80,000 connections. For official information, consult the EPA's Buffalo Water Authority record at data.epa.gov.

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 BUFFALO WATER AUTHORITY (NY1400422), surface water supply, serving 276000 people: 0 health-based violations of 4 total; lead 90th percentile 0.004 mg/L