Understanding the Local Water Supply and Lead Context
Water delivered to homes in Monmouth and Ocean counties, including communities such as Aberdeen Township, Asbury Park, Brick Township, and Toms River, comes primarily from surface water sources managed by the NJ American Water - Coastal North system. This public water system serves over 377,000 people through more than 139,000 connections. Regular monitoring under EPA regulations tracks lead presence at points within the distribution network, recognizing that lead concentrations in water generally originate from plumbing materials rather than the source water itself.
Additional Considerations for Commercial and Industrial Operators
While household users focus primarily on health and taste concerns related to lead, commercial and industrial operators must consider additional factors. These include the volume of water used daily, potential impacts on manufacturing processes or product quality, and compliance with occupational safety standards. Operators might require more detailed or frequent testing to ensure their water quality meets specific operational needs, which differ from residential priorities.
Interpreting Certified Laboratory Lead Test Reports
Lead testing results from certified laboratories provide concentrations measured typically in milligrams per liter (mg/L). The EPA uses the 90th percentile figure to summarize lead levels in water samples collected from multiple homes within the system. A reported 90th percentile value of 0.002 mg/L for lead in the NJ American Water - Coastal North distribution (based on sampling in 2026) means that 90% of tested sites had lead concentrations at or below this level. This measure reflects potential lead contributions from household plumbing, not the source water.
Seasonal and Multi-Year Variation in Lead Levels
Lead concentrations can vary over time due to changes in water chemistry, treatment practices, and corrosion control methods. The NJ American Water - Coastal North system has recorded lead testing results over multiple years, with sampling dates such as June 2026 providing snapshots of water quality. While lead levels may fluctuate, the 90th percentile figure offers a standardized summary to track overall system performance and inform treatment decisions.
Distinctions Between Public System Records and Private Well Testing
Public system lead measurements reflect water quality at the distribution network level and represent an aggregate of many households. Private wells, however, may have very different lead exposures depending on local geology, plumbing materials, and well depth. Testing private well water directly is essential to establish any household-specific lead levels, as public system data cannot predict individual well or household conditions.
Matching Treatment Capacity to Household Water Use
Choosing lead treatment technology for a home requires evaluating daily water consumption to ensure capacity meets demand without excessive maintenance. Residential systems vary widely in water use, so understanding household size and peak consumption helps identify the appropriate treatment scale. Technologies like the Autotrol Lead in Water Filter ship ready to configure, allowing customization to specific household needs and reducing lead exposure effectively.
What Household Water Users Should Not Conclude from Area Data
Data from the NJ American Water - Coastal North system offer valuable regional insights but must not be assumed to reflect every individual home's water. Detection of lead at low levels in system sampling does not mean a violation or unsafe condition for every residence. Likewise, absence of higher readings in area data does not rule out the potential for lead issues in a specific household’s plumbing. Individual water testing is the only way to confirm the need for a particular treatment approach.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2026-06-30. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA SDWIS record for NJ AMERICAN WATER - COASTAL NORTH (NJ1345001), surface water supply, serving 377613 people: 1 health-based violations of 3 total; lead 90th percentile 0.002 mg/L
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