Pentair Bacteria & Coliform (Well) Filter

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The Grayson County Water District serves over 20,000 people with surface water and has three EPA-recorded health-based violations among seventeen total reports, indicating occasional bacteria concerns in the system. This checklist helps you interpret these findings and decide on next steps for your household water quality needs.

Reading Bacteria Data in Public Water Records

Median and range reflect a system-wide picture, not a single home

Government records report overall system performance based on samples across all service points in Grayson County. These data represent a median and range showing how bacteria levels vary, but not specifically what is in your home's water at any time.

Health-based violations indicate some samples exceeded EPA limits

Three health-based violations show that at certain times bacteria counts surpassed EPA criteria somewhere in the distribution system. This does not mean continuous or equal exposure for every household but flags potential intermittently elevated bacteria presence.

How the Pentair Bacteria & Coliform (Well) Filter Handles Bacteria

Physical filtration removes bacteria particles

The Pentair System uses specialized filtration media designed to physically capture and reduce bacteria and coliform organisms from water passing through it, thus lowering microbial content at the point of use.

Reduces coliform to support water safety efforts

This filter's targeted removal of coliform bacteria helps minimize the risk of bacteria-related issues in household water. While it does not replace testing, it supplements treatment strategies for homes where existing setups may not suffice.

Difference Between Aesthetic and Health-Based Standards for Bacteria

Aesthetic standards relate to taste, odor, and appearance

Some bacterial measures affect water aesthetics, such as causing odors or cloudiness, but do not necessarily imply health risk. These are tracked separately from health-based bacterial limits aimed at safety.

The EPA health-based limits focus on pathogen risk

Health-based bacterial standards are set to prevent illnesses linked to pathogen presence. Violations occur when bacterial counts exceed these stringent levels in water samples.

Understanding Certified Lab Test Reports on Bacteria

Reports specify presence or absence, not just detection

Certified tests typically report whether bacteria such as coliform are detected or absent in a sample, guiding treatment and safety decisions more precisely than general system data.

Individual testing confirms household water condition

Because system records do not reflect individual household variation, testing your home's water at a certified lab is necessary to understand your specific bacteria exposure and treatment needs.

Seasonal and Multi-Year Variation in Bacteria Records

Violations and bacteria counts can fluctuate over the years

The record shows health-based violations have occurred at intervals, indicating bacteria levels in the water system vary seasonally and across years. Regular monitoring helps track these changes.

Sampling date details provide timing context

Recent samples like the 2024-12-31 lead percentile test confirm ongoing data collection. Similar timing applies to bacteria tests contributing to violation records.

Deciding how to address bacteria in Grayson County water involves understanding system-wide data and recognizing its limits for your home. Testing your own water and considering enhanced filtration like the Pentair Bacteria & Coliform (Well) Filter helps supplement treatment where existing equipment may fall short.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2024-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA SDWIS record for GRAYSON COUNTY WATER DISTRICT (KY0430616), surface water supply, serving 20033 people: 3 health-based violations of 17 total; lead 90th percentile 0 mg/L