The Schriever Water Treatment Service Area, serving Terrebonne Parish with surface water, has recorded zero health-based violations through EPA monitoring, supporting that the water meets federal health standards. While the government data does not include tannin measurements, households here may still notice tea-colored water, a common sign of tannins. This guide addresses what that means and what to consider when existing water-treatment equipment no longer keeps pace.
What happens when tannin problems go untreated for years?
Tannins are naturally occurring organic materials that can leach from decaying vegetation into surface waters, such as lakes and rivers, commonly the source for public systems like Schriever Water Treatment. Over time, tannins can cause discoloration, staining on plumbing fixtures and laundry, and may impart a distinct taste to water. If untreated, these effects can accumulate and worsen, affecting household aesthetics and the function of water-using appliances.
How does seasonal or multi-year variation of tannins show in the area’s water records?
The recorded data for the Terrebonne Parish public water system does not include tannin or related organic color measurements. However, tannin levels in surface water sources typically fluctuate with seasonal changes such as rainfall, temperature, and plant activity cycles. This variability can cause tannin concentration—and thus water coloration—to vary across months and years, potentially explaining changes in water appearance over time.
How many samples and wells support the public water system’s data, and what does a small sample size imply?
The Schriever Water Treatment Service Area serves approximately 116,460 people across 38,820 connections, sourcing water from surface supplies. EPA records aggregate data from multiple sampling points within this system but do not specify tannin levels. Because tannins are not part of routine monitoring, no samples directly inform on tannin presence or concentration here. For precise tannin status in individual homes, specialized testing of local water is necessary.
How can a Terrebonne Parish homeowner interpret median and range data from water quality records?
While no tannin-specific median or range is reported for the public system, understanding these terms can help interpret water tests. The 'median' signifies the middle value of all samples, offering a typical concentration, whereas 'range' indicates the span from lowest to highest detected levels. For homeowners, individual water tests will reveal actual tannin concentrations affecting their property, which may differ from broader system data due to local conditions.
What do 'detected,' 'median,' and 'range' mean in the context of water sampling?
- Detected: An instrument measured a constituent in a sample; this does not imply a problem or health risk.
- Median: The middle value in a series of measurements, representing typical levels over time or area.
- Range: The spread between the lowest and highest measured values in sampling, showing variability.
These terms clarify how water quality data is presented without asserting safety or risk levels alone.
How can I address tannins when my current equipment struggles to keep up?
While tannins are not specifically monitored in the Terrebonne Parish public water system, residents noticing persistent tea-colored water can consider targeted treatment options. The Pentair Yellow, Tea-Colored Tannin Water Filter is designed to manage tannins effectively. This system ships ready to configure for household water capacities, supporting improved water aesthetics and appliance protection as demand requires.
Since tannin levels vary and are influenced by local factors, testing your well or tap water for tannins through certified laboratories will confirm the need for such treatment. Matching treatment capacity to your household’s water use ensures optimal performance and sustainability.
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 SCHRIEVER WATER TREATMENT SERVICE AREA (LA1109002), surface water supply, serving 116460 people: 0 health-based violations of 6 total; lead 90th percentile 0.001 mg/L
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