Household Considerations for 1,4-Dioxane in PR Residential Water Supplies
$2,575.00
Sistema de Reducción de 1,4-Dioxano para Toda la Casa WSP
✓ Free shipping in the USA · ✓ 90-day returns · ✓ Secure checkout
Government Data on 1,4-Dioxane in Patillas Urbano's Water Supply
The EPA's Safe Drinking Water Information System (SDWIS) reports no health-based violations for the public water system serving Patillas Urbano, PR. Monitoring from 2013 to 2016 showed no measured concentrations of 1,4-dioxane above the reporting level of 0.07 micrograms per liter (µg/L), also expressed as parts per billion (ppb). This water system record reflects conditions across community connections, not individual household water.
Sources of 1,4-Dioxane: Landfill Leachate, Degreasing Sites, and Consumer Products
1,4-Dioxane, also known as the cyclic ether or solvent stabilizer, commonly appears in water due to leaching from various sources. Landfill leachate can carry residues from discarded chemical products. Industrial degreasing operations historically used solvents containing 1,4-dioxane, which may infiltrate groundwater in some regions. Additionally, certain consumer products, such as cosmetics and detergents, can contribute trace amounts to wastewater that eventually integrates into water supplies.
Scope and Sample Size Behind the Figures
The reported values stem from 27 samples collected at points representing the public system's water. Because this is a relatively small sample size over a few years, it provides an overview of regional water quality but does not specify conditions at any individual tap or well. To accurately understand your household's water, specific testing of your water source is required.
Long-Term Implications of Untreated 1,4-Dioxane Presence
While no health violations have been recorded for the Patillas Urbano system, extended presence of 1,4-dioxane in drinking water at higher levels (beyond local data) has been studied for its potential effects. The cyclic ether is resistant to typical water treatment and can persist in the environment. Over years of exposure, this solvent stabilizer has raised concerns primarily related to a possible increased cancer risk, though regulatory limits are still under review nationwide.
Interpreting Terms: 'Detected', 'Median', and 'Range' in EPA Sampling Records
In the context of EPA monitoring data, 'detected' means measurable levels above the instrument's reporting threshold, not necessarily a safety issue. The 'median' would be the middle concentration if all results were ordered numerically, and 'range' refers to the span between the lowest and highest detected values. For 1,4-dioxane in Patillas Urbano, no detections exceeded the reporting limit, so median and range values for detected concentrations are not established in the record.
Reverse Osmosis Effectiveness and Interpretation of Rejection Rates
Reverse osmosis (RO) is a treatment technology frequently used to address dissolved contaminants like the cyclic ether. Manufacturers state RO rejection rates as percentages, indicating how much of the 1,4-dioxane is reduced in controlled testing. However, these percentages are not absolute guarantees for every household scenario because water quality and system operation variables can influence performance. Understanding these rates helps gauge the potential efficacy but does not replace water-specific testing.
Certified Laboratory Testing for 1,4-Dioxane: What to Expect
A certified laboratory test for 1,4-dioxane measures concentrations in micrograms per liter or parts per billion, offering precise detection beyond reporting levels seen in federal surveys. This testing is essential to establish the presence and amount of the cyclic ether in your own water supply. Interpreting the results involves comparing the detected levels to health advisory benchmarks, such as the EPA's cancer risk reference concentration of 0.35 µg/L, while considering the absence of federal maximum contaminant levels (MCL) for this solvent stabilizer.
In summary, the Patillas Urbano public water system's government sampling record shows no measurable 1,4-dioxane above detection levels during federal monitoring. This information guides households in Puerto Rico in making informed decisions about testing their water individually and understanding treatment needs. For residential treatment options, the C-Series 1,4-Dioxane Filter ships ready to configure and is designed to address this constituent effectively when your water test shows a need. The official EPA source for this data is the SDWIS public water system record for Patillas Urbano, PR.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2016-02-17. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Patillas Urbano (PR0004835), PR: 27 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level