New Jersey’s aging sewer systems, many of which were installed nearly 200 years ago, are increasingly vulnerable to flooding and raw sewage backups. The state’s combined sewage system, which channels both stormwater and wastewater through the same pipes, becomes overwhelmed during heavy rainfall. This issue is exacerbated by rising sea levels and increased precipitation caused by climate change, making it harder for stormwater to discharge into nearby bodies of water, leading to sewage overflows.
These sewage floods not only create unpleasant conditions but also pose significant public health risks, including gastrointestinal and respiratory illnesses. New Jersey is not alone in facing this challenge—many coastal cities with similar outdated systems are grappling with the same problems. The cost of updating these systems is estimated at $4 billion and would take decades to complete, placing a financial burden on local communities.
While a full overhaul of the infrastructure is needed, experts are looking for short-term solutions, such as diverting stormwater from surrounding towns to reduce flooding. Ultimately, reducing climate-warming pollution remains the most effective long-term solution to prevent the worsening of flooding and sewage backup issues.
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