1. Observe Seasonal and Multi-Year Variation in Public Water Quality Data
Public water system records from the City of Shreveport Water System, serving 192,378 people in Caddo Parish, show data collected over multiple years, including recent sampling dates such as December 31, 2025. Seasonal changes and year-to-year variation may affect some measurements. Understanding these patterns helps differentiate between temporary fluctuations and longer-term trends that could influence water quality perceptions at your home.
2. Understand the Impact of Sample Size and Number of Wells in the Data
The reported figures represent an aggregate of many samples from a broad public distribution system—including over 64,000 connections—not just individual wells. This means the data reflects the general water quality from surface water sources but doesn't specify conditions at any particular household tap. Smaller sample sizes or fewer test points would mean less precise representation, but here the data includes a wide range of samples, providing a comprehensive snapshot of the system's overall water conditions.
3. Recognize What Changes for Larger Households and Seasonal Residences
Water demand varies significantly with household size or seasonal use. A large household or a second home may experience differences in water turnover, which can impact water freshness and quality at the tap. For example, longer periods of low use in seasonal properties can affect the quality of water held in plumbing, a factor not captured by the public system's broad data. Your household dynamics should be considered when evaluating water treatment needs.
4. Consider How Source Water Type and Sample Depth Influence Expectations
The City of Shreveport draws its supply from surface water sources, which can fluctuate based on weather, runoff, and other environmental factors. This can lead to variation in elements like turbidity or organic matter levels. Unlike groundwater or well water, surface water may require different treatment approaches. The public data accounts for such changes in surface water quality but cannot specify local plumbing conditions that might differ due to pipe materials or well depth.
5. Identify Household Symptoms That Suggest the Need for Testing Beyond Public Data
Signs at home such as unusual taste, staining, or interference with appliances could indicate water quality issues not fully addressed by the public system data. These symptoms arise from localized factors including plumbing materials, stagnation, or specific contaminants. Because the public water record does not provide individual home water results, direct testing is essential to clarify your water’s condition.
Next Step: Request a Certified Water Test of Your Household Supply
To determine your specific safe drinking water status, the crucial step is ordering a comprehensive water test from a certified laboratory. This test provides precise measurements of elements relevant to your home’s water quality. With those results, you can confirm whether additional treatment is necessary.
The Pentair Safe Drinking Water Filter system ships ready to configure and can be used to improve water quality based on your test findings. It is designed to address common concerns identified through testing and is a documented solution for enhancing safe drinking water at the point of use.
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 CITY OF SHREVEPORT WATER SYSTEM (LA1017031), surface water supply, serving 192378 people: 25 health-based violations of 27 total; lead 90th percentile 0.00092 mg/L
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