Local Aquifer Characteristics and Water Delivery
The Lafayette Parish area relies on groundwater from aquifer 112CHCTU, accessed through wells that range in depth from about 11 to 250 feet. Water drawn from these wells travels through household plumbing to reach taps, where its quality depends on the natural conditions of the aquifer and any treatment applied. Understanding the nitrate content in this source water is essential for selecting appropriate equipment to meet your household's needs.
Interpreting 'Detected', 'Median', and 'Range' in Local Nitrate Samples
Government sampling by the U.S. Geological Survey from March 2011 to July 2021 involved 112 nitrate measurements taken from 31 wells in this area. In 66 results, nitrate was detected with concentrations ranging from 0.019 to 25.3 milligrams per liter (mg/L). The median across samples was 0.575 mg/L. Notably, 46 samples were below the reporting limit, indicating nitrate was not measured at detectable levels in those cases. Importantly, only three of these results exceeded the federal health-based maximum contaminant level (MCL) of 10.0 mg/L.
Prioritizing Checks: From Household to Laboratory Testing
Before considering equipment options, start with basic evaluations such as visual and sensory inspections and confirm the source of your water supply. Next, consult recent laboratory water quality test results specific to your household well or supply system to establish your water's nitrate concentration. These tests provide precise data critical for informed decisions. Only after confirming nitrate levels through testing should treatment options be considered.
How Treated Water Changes With the C-Series Nitrate & Nitrite (Well) Filter
The C-Series System designed to address nitrate and nitrite effectively reduces these compounds, improving water quality according to product specifications. Once configured, this filter modifies the water before it reaches taps, resulting in lower nitrate content entering household fixtures. This results in water more suitable for typical residential uses, consistent with the goal of mitigating nitrate-related concerns established by laboratory analysis.
Fixtures and Household Processes Most Impacted by Nitrate
Water outlets used for drinking and cooking, such as kitchen faucets and in-line refrigerator water dispensers, are most critically affected by nitrate levels. These points demand the highest water quality standards. Other fixtures like bathrooms where water is mainly used for hygiene and washing are less directly impacted by nitrate concentration from a health perspective but still benefit from overall water treatment.
Long-Term Consequences of Untreated Elevated Nitrate
If nitrate levels remain high and untreated, prolonged consumption of water exceeding federal health thresholds may pose risks especially for vulnerable groups such as infants and pregnant women. While not all detected nitrate concentrations indicate such risk, consistent high nitrate intake can affect the ability of blood to carry oxygen effectively. Monitoring and treating your water accordingly supports long-term household health.
In summary, nitrate data from Lafayette Parish's aquifer 112CHCTU, based on 31 wells sampled over a decade, provide an area-wide context but cannot substitute for individual water testing. For further details and the original data, consult the U.S. Geological Survey's online water quality monitoring resources.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2021-07-22. These figures describe groundwater sampled in this area. They are not a test of any individual private well - only a test of that well can establish its own water.
On record: U.S. Geological Survey sampling of Nitrate in the 112CHCTU aquifer (Lafayette Parish): 112 results from 31 wells, median 0.575 mg/L, range 0.019-25.3 mg/L; 3 above a health-based federal MCL (federal MCL 10.0 mg/L)