A community health worker in San Diego distributes water filters to low-income households. Each filter serves 4 people and costs $35. The nonprofit has a budget of $3,500. If 10% of the filter cost is covered by a government grant per filter, how many households can be served?

["How a Community Health Worker in San Diego Distributes Water Filters to Low-Income Households: Scaling Access to Clean Water", "Access to clean, safe drinking water is a fundamental human right—but not every household in underserved communities enjoys reliable access. In San Diego, a dedicated nonprofit community health worker is bridging this gap by delivering life-saving water filters to low-income families. By empowering vulnerable neighbors with affordable, effective filtration systems, this initiative transforms public health outcomes one household at a time.", "### The Impact of Affordable Water Filters", "In many low-income neighborhoods, limitations in infrastructure and financial resources mean residents rely on contaminated water sources, increasing the risk of waterborne illnesses. Clean drinking water is essential, especially for children, elders, and immunocompromised individuals.", "Each water filter provided by the nonprofit serves up to 4 people, making distribution efficient and scalable. At a cost of $35 per filter, the nonprofit aims to maximize reach—especially with support from public funding.", "### Government Support Enhances Reach", "A critical breakthrough came when a government grant covered 10% of each filter’s cost. This funding substantially reduces the nonprofit’s financial burden and amplifies its impact.", "- Cost per filter: $35\n- Government grant per filter (10%): $3.50\n- Net cost per filter after grant: $31.50", "This means each filter effectively costs $31.50 to distribute, lowering the barrier to sustainable community health support.", "### Budget Constraints and Available Resources", "The nonprofit’s budget is capped at $3,500. Using the net cost per filter:", "[\n\ ext{Number of filters} = \frac{\ ext{Total Budget}}{\ ext{Net Cost per Filter}} = \frac{3500}{31.50} \approx 111.11\n]", "Since only whole filters can be distributed, the maximum number of filters that can be purchased is 111.", "### Calculating Households Served", "Each filter serves 4 people, so the total number of individuals served is:", "[\n111 \ ext{ filters} \ imes 4 \ ext{ people/filter} = 444 \ ext{ people}\n]", "Since each household receives one filter, the number of households served is also:", "[\n\boxed{111 \ ext{ households}}\n]", "### Conclusion: A Cost-Effective Model for Public Health", "With a budget of $3,500 and leveraging a government grant that cuts the cost per water filter by 10%, the nonprofit in San Diego distributes 111 water filters—enough to protect and serve 444 residents across 111 low-income households. This impactful model proves that targeted, data-driven interventions can dramatically improve access to clean water and strengthen community health—one filter at a time.", "For those passionate about public health equity, supporting or partnering with such grassroots initiatives multiplies lives saved and builds healthier, safer neighborhoods.", "---", "Key Search Terms: community health worker San Diego, water filters for low-income families, San Diego water access initiative, affordable water filtration distribution, government grant water safety, San Diego nonprofit health outreach"]